Last updated 2026-07-09

TL;DR
Silver nitrate is a corrosive oxidizer with an OSHA PEL of 0.01 mg/m³ (as silver), listed in 29 CFR 1910.1000 Table Z-1. Its safety data sheet follows the 16-section GHS format required by 29 CFR 1910.1200. The hazards that matter: skin and eye burns, oxidizer fire risk, and permanent staining. Anyone who handles it needs HazCom training first. This guide walks through every SDS section.
What is a material safety data sheet for silver nitrate and why does OSHA require one?
A Safety Data Sheet (SDS, once called a Material Safety Data Sheet or MSDS) is the standard document that tells anyone handling a hazardous chemical what they're dealing with and how to handle it without getting hurt. OSHA's Hazard Communication Standard, 29 CFR 1910.1200, requires every hazardous chemical in a workplace to have an SDS that employees can reach during any shift they might be exposed. [1]
Silver nitrate (AgNO₃) is a hazardous chemical under that standard. It's a strong oxidizer and a corrosive that burns skin, eyes, and mucous membranes on contact. It also stains tissue brown-black, and that stain isn't cosmetic. The discoloration is the chemical reacting with proteins in your skin. Any supplier selling silver nitrate to a business has to ship an SDS with it, and you have to keep that SDS accessible. [1]
The old MSDS format gave way to the current 16-section GHS (Globally Harmonized System) SDS in 2012, with full compliance required by June 1, 2016. If your silver nitrate sheet doesn't have 16 numbered sections, it predates that deadline. Request a current one from your supplier. OSHA inspectors do check that your SDSs are current and GHS-compliant. [2]
The format carries over to every other lab chemical you touch. Pull up a hydrochloric acid safety data sheet or a chloroform sheet and you'll see the same 16 sections, the same pictograms, the same hazard statement codes. That consistency is the point. Nobody should have to re-learn the layout for each new bottle.
What are the physical and chemical properties of silver nitrate that drive its hazard classification?
Silver nitrate is a white crystalline solid at room temperature, molecular weight 169.87 g/mol, melting point 212°C (414°F). It dissolves readily in water, which is part of why it reacts so fast with living tissue. In solution it splits into silver ions (Ag⁺) and nitrate ions (NO₃⁻), and the silver ion does most of the corrosive and antimicrobial work. [3]
On the fire side, silver nitrate is a strong oxidizer. It won't burn by itself, but it feeds oxygen to whatever is burning and can turn a small fire into a fast one. That rules out storing it near organic materials, flammable solvents, acetylene, or reducing agents. Heat it past roughly 440°C and the nitrate decomposes into nitrogen oxides, which are toxic gases. [3]
Density is about 4.35 g/cm³, so a small volume weighs a lot. Medical and lab solutions usually run 0.5% to 10%, though some industrial processes handle concentrations above 50%. Concentration changes everything. A 0.5% solution for wound care gets handled nothing like a 10% plating or photography solution.
Light sensitivity is the last property that changes how you work. Silver nitrate breaks down in light into silver metal and nitrogen dioxide. That's the old photographic chemistry at work. In practice it means amber glass, away from windows, and your SDS will spell out that storage condition in Section 7.
What does each of the 16 GHS sections in the silver nitrate SDS actually say?
Here's the section-by-section breakdown, and what each entry means when you're the one on the floor.
Section 1: Identification. Product name, CAS number (7761-88-8 for silver nitrate), supplier contact, and an emergency phone number. That number has to be answered 24 hours a day. [1]
Section 2: Hazard identification. Silver nitrate is classified under GHS as an oxidizing solid (Category 1), an acute oral toxicant (Category 4), and a skin corrosive (Category 1B) or irritant depending on concentration. The two pictograms are the oxidizer flame-over-circle and the corrosion symbol. Signal word is "Danger" for concentrated forms.
Section 3: Composition. Pure silver nitrate, CAS 7761-88-8, with any stabilizers or impurities listed if they're present above threshold concentrations.
Section 4: First aid. Skin: remove contaminated clothing, flush with plenty of water for at least 15 minutes, get medical attention. Eyes: flush for at least 15 minutes with the eyelids held open, then get immediate medical care. Ingestion: do not induce vomiting, get medical attention. Inhaled dust: move to fresh air, get care if symptoms stick around. The staining you'll see doesn't wash off fast. Tell workers not to panic and not to shrug it off either.
Section 5: Fire-fighting. Water is acceptable. Use whatever media suits the surrounding fire. Firefighters need full protective gear and SCBA because decomposition throws off toxic nitrogen oxides. [3]
Section 6: Accidental release. Sweep up solid without kicking up dust, collect in a closed container. For solutions, absorb with inert material like sand or vermiculite. Keep it out of drains and waterways. Silver is an aquatic toxicant. Dispose per Section 13.
Section 7: Handling and storage. Away from combustibles, flammables, and reducing agents. Cool, dry, well-ventilated area, tightly sealed amber containers, out of the light. Not near organic materials.
Section 8: Exposure controls and PPE. This is where the occupational exposure limits live. There's a full section on PELs and PPE below.
Section 9: Physical and chemical properties. White crystalline solid, odorless, melting point 212°C, density 4.35 g/cm³, highly soluble in water.
Section 10: Stability and reactivity. Stable under normal conditions. Incompatible with alkalis, organic compounds, acetylene, ammonia, reducing agents, and halides. Decomposition products: silver oxide, nitrogen oxides.
Section 11: Toxicological information. Routes of exposure, symptoms, and available LD50 data. The oral LD50 in rats runs around 50 mg/kg, which puts it in the moderately toxic range. Long-term silver exposure can cause argyria, a permanent blue-gray skin discoloration, but that comes from systemic silver buildup over years, not one splash.
Section 12: Ecological information. Silver ions are toxic to aquatic life at very low concentrations. Keep it out of the environment.
Section 13: Disposal. Comply with federal, state, and local rules. Silver compounds are often regulated as hazardous waste under RCRA.
Section 14: Transport. UN 1493, Packing Group II, Class 5.1 (oxidizing substance) under DOT rules for quantities above de minimis thresholds.
Section 15: Regulatory information. Applicable regulations: OSHA HazCom (29 CFR 1910.1200), EPA SARA, RCRA, TSCA inventory status, and state right-to-know laws.
Section 16: Other information. Revision date, preparation date, and manufacturer disclaimer language. Check that revision date. More than a few years old, ask for a current version.
| SDS Section | What to act on |
|---|---|
| 2 (Hazard ID) | Post GHS pictograms at the storage location |
| 4 (First Aid) | Position eyewash within 10 seconds of the exposure area |
| 7 (Storage) | Segregate from flammables and organics |
| 8 (PPE/PEL) | Select PPE and set up air monitoring if needed |
| 13 (Disposal) | Establish a silver waste stream with a licensed hauler |
| 14 (Transport) | Confirm shipping papers and labels are DOT-compliant |
What are the OSHA exposure limits and health effects for silver nitrate?
OSHA's Permissible Exposure Limit for silver compounds, silver nitrate included, is 0.01 mg/m³ as silver, measured as an 8-hour time-weighted average. It's in 29 CFR 1910.1000, Table Z-1. [4] The ACGIH sets a Threshold Limit Value of 0.1 mg/m³ for insoluble silver compounds and 0.01 mg/m³ for soluble ones like silver nitrate, which matches the OSHA number for soluble forms.
Airborne dust or mist is the real occupational worry. Most lab and clinical work with silver nitrate solutions doesn't put much in the air, but weighing out dry crystals or powder does. Bulk solid handling belongs in a fume hood or under local exhaust, and if you're doing it often, run air monitoring to confirm where you actually stand against that 0.01 mg/m³ line.
Acute effects from silver nitrate exposure:
- Skin: corrosive burns, protein coagulation, brown-black staining (the stain isn't the burn; both happen at once)
- Eyes: serious chemical burns that can cause permanent damage; a true ocular emergency
- Inhalation: respiratory tract irritation, coughing; high concentrations can cause pulmonary edema
- Ingestion: caustic burns to the mouth, esophagus, and stomach; fatal in enough quantity
Chronic effects come down to argyria. Silver absorbed over the long haul deposits in tissue, especially skin that sees light, and turns it permanent blue-gray. No treatment reverses it. It doesn't wreck organ function in most documented cases, but it never goes away, which is the whole argument for making PPE non-negotiable even when the work feels routine.
If you run other oxidizers or corrosives in the same building, the framework is identical: check Section 8 for the PEL or TLV, then prove your controls keep exposure under that number. The hazard communication standard requires Section 8 to be present and complete on every SDS you keep on file.
What PPE is required when handling silver nitrate?
SDS Section 8 names the PPE, but here's what you'll actually reach for and why.
Eye and face protection comes first and it's not optional. Chemical splash goggles, not safety glasses, are the floor for liquid silver nitrate. For solutions above 10%, add a face shield over the goggles. Silver nitrate eye injuries count as eye emergencies under ANSI Z87.1 and OSHA 29 CFR 1910.133. An eyewash station has to be reachable within 10 seconds of the work area per 29 CFR 1910.151(c), and for this chemical a plumbed unit beats a portable squeeze bottle every time. [5]
Hands: nitrile gloves handle short, incidental contact with dilute solutions fine. For longer work, stronger solutions, or bulk solid, step up to thicker nitrile (8 mil or more) or neoprene. Natural rubber latex gives you basically nothing against silver nitrate. Change gloves the moment they stain. Staining means silver has already reached the outer surface.
Body: a lab coat or chemical-resistant apron over your clothes. Silver nitrate stains fabric as permanently as skin, so a white lab coat makes contamination obvious, which actually helps you. Long sleeves and closed-toe shoes are baseline.
Respirators: for solid handling in open air, an N95 or P100 particulate respirator may fit. Go beyond a dust mask and you trigger a full respiratory protection program under 29 CFR 1910.134. [6] Most solution work in clinical or lab settings needs no respirator if the room ventilation is adequate.
PPE selection has to be written into your Hazard Communication program. If that program isn't on paper yet, a generator like SafetyFolio builds one in a fraction of the manual time and drops in the correct 29 CFR references for you.
How do you store and handle silver nitrate safely to meet OSHA and fire code requirements?
Silver nitrate's status as an oxidizing solid (DOT Class 5.1, UN 1493) drives your storage plan. [7] The rule underneath it all is simple: keep it away from anything that could feed a fire, because silver nitrate makes fires worse.
Store it apart from organic materials, flammables, combustibles, and reducing agents. That means no sharing a cabinet with solvents, alcohols, acetonitrile, or organic reagents. A lot of labs park oxidizers in a dedicated metal cabinet or on a dedicated shelf with secondary containment. The International Fire Code and NFPA 430 set quantity thresholds for oxidizer storage that can trigger extra safeguards. Storing more than small amounts? Call your local authority having jurisdiction.
Light and temperature: amber glass or opaque containers, room temperature or a little cooler (below 25°C is ideal). No extreme heat. Keep the area dry, since moisture speeds decomposition and eats at container walls.
Buy what you'll use. Old silver nitrate that has started to decompose (you'll spot yellowing or graying) goes to a licensed hazardous waste hauler, promptly. Don't run degraded stock. You lose concentration consistency and pick up byproducts your risk assessment never accounted for.
Labeling: every container in your facility carries a GHS-compliant label with the chemical name, pictograms, signal word, hazard statements, and precautionary statements. That's straight out of 29 CFR 1910.1200(f). Secondary containers you fill from the original need labels too, unless you'll use the contents immediately and keep the container under your control the whole time. [1]
If you handle other hazardous materials as well, your written hazard communication program should carry a chemical inventory that lists silver nitrate with everything else, maps where each one lives, and records your segregation logic. That inventory is the first thing an OSHA inspector asks to see.
What first aid and emergency response does the SDS require for silver nitrate exposures?
SDS Section 4 spells out first aid, but your people need these steps in muscle memory before an accident, not after. Train on them directly.
Skin contact: strip off contaminated clothing right away. Flush the area with plenty of cool water for at least 15 minutes. The stain stays, but flushing carries off the residual silver nitrate and dilutes what's still reacting. Get any burn beyond minor surface staining evaluated. No creams, no lotions, no home remedies in the acute phase.
Eye contact: highest urgency, every time. Flush with water for at least 15 minutes with the eyelids held open. Take contacts out if they slide out easily, but don't stop flushing to fight with them. After 15 minutes, go straight to an emergency room or ophthalmology. Silver nitrate can scar the cornea permanently. The worker does not drive.
Ingestion: do not induce vomiting. Silver nitrate is caustic, and bringing it back up burns the esophagus a second time. Call Poison Control (1-800-222-1222 in the US) and do what they say. Get to emergency care.
Inhalation: move the person to fresh air. Labored breathing means call 911. Mild symptoms (coughing, irritation) mean rest and watch. Persisting or worsening means get medical care.
Spills: for solid, dampen to hold down dust, sweep carefully, collect in a closed container for hazardous waste. For solution, absorb with vermiculite or dry sand, never paper towels or organic absorbents. Contain it and keep it out of drains. Silver falls under Clean Water Act effluent limits and it poisons the biology in municipal wastewater plants.
Every OSHA-regulated workplace needs documented emergency procedures as part of the incident report process, and any exposure that needs medical treatment beyond first aid goes on the OSHA 300 log under 29 CFR 1904.
What employee training does OSHA require for workers who handle silver nitrate?
Under 29 CFR 1910.1200(h), employees who work with or might be exposed to hazardous chemicals get HazCom training before their first assignment and again whenever a new hazard shows up in the work area. [1] Silver nitrate trips that requirement.
The training has to cover, at a minimum:
- The requirements of the HazCom standard itself
- Where each chemical's SDS lives and how to read it
- How to detect a hazardous chemical release (sight, smell, monitoring equipment)
- The physical and health hazards of every chemical in the work area
- The protective measures available: PPE, engineering controls, work practices
- The labeling system used in your facility
For silver nitrate, walk through the actual SDS instead of talking about SDSs in the abstract. Show workers where the PEL sits, what the oxidizer pictogram means, which PPE they need, and exactly what to do with it on their skin or in their eyes. Rehearse the eyewash procedure. Time the walk from each work position to the station. It should land under 10 seconds.
OSHA sets no required hour count for HazCom, but the training has to be effective, meaning workers genuinely understand it. Keep a record with the date, topics covered, trainer's name, and each employee's signature.
Building a broader safety program? OSHA training resources lay out what else your industry and chemical mix might require. Labs juggling several hazardous chemicals often find an OSHA 30 course gives a supervisor enough footing to manage all of this without a full-time safety officer.
How does silver nitrate's SDS compare to other hazardous lab chemicals like chloroform?
This question comes up constantly in mixed-chemistry labs, and it's worth the walk-through, because the hazard profiles genuinely differ even though both chemicals demand careful handling and compliant SDSs.
Silver nitrate is an oxidizing corrosive. Its acute threats are contact burns and fire acceleration. Chloroform (CHCl₃) is a volatile organic compound that depresses the central nervous system, carries suspected carcinogenicity (IARC Group 2A), and can damage liver and kidneys with chronic exposure. [8] Both sheets use the 16-section GHS format, but the classifications, pictograms, exposure limits, and engineering controls read like two different worlds.
Chloroform carries an OSHA ceiling of 50 ppm (240 mg/m³) under 29 CFR 1910.1000 Table Z-2, with a note pushing for exposures below that ceiling. [4] The NIOSH recommended exposure limit is far lower, a 2 ppm (9.78 mg/m³) ceiling. Silver nitrate's limit is mass-based (0.01 mg/m³ as silver) because the hazard rides in the solid or dissolved ion, not in vapor.
| Property | Silver Nitrate | Chloroform |
|---|---|---|
| CAS Number | 7761-88-8 | 67-66-3 |
| Primary Hazard | Oxidizer, corrosive | CNS depressant, suspected carcinogen |
| OSHA PEL | 0.01 mg/m³ (as Ag) | 50 ppm ceiling |
| GHS Signal Word | Danger | Warning/Danger (concentration-dependent) |
| Key Pictogram | Oxidizer, corrosion | Health hazard, exclamation |
| Storage Concern | Separate from flammables | Flammable (Class 3 liquid) |
| Engineering Control | Local exhaust for dust | Fume hood (volatile) |
| Disposal | Silver hazardous waste | Halogenated solvent waste |
Here's the takeaway. A worker trained on one of these chemicals is not ready for the other. Use both in one facility and your written HazCom program addresses each on its own, and both sheets sit accessible in your SDS collection at the point of use.
How do you maintain SDS records to stay OSHA-compliant?
OSHA requires SDSs to be "readily accessible" to employees during their work shift in their work area. [1] The standard doesn't demand paper binders. Electronic SDS systems are fine as long as nothing blocks access: no training hoop, no password employees don't have, and a backup plan for when the system goes down.
Most small businesses land on one of three setups: a physical binder at each work area, a shared network folder reachable from workstations, or a third-party SDS service. Any of them passes if employees can actually get to the sheet when they need it. The test is one question. Can a worker, right now, find the silver nitrate SDS in under two minutes without asking a manager? If not, you have a gap.
Keep the sheets current. When a supplier issues an update, request it and swap out the old one. No specific OSHA rule forces you to archive superseded versions, but RCRA and some state right-to-know laws point toward keeping records for 30 years when they tie to a hazardous substance employees may have been exposed to. [9] Keeping the old versions and noting the replacement date is the better habit.
Your chemical inventory list should cross-reference every SDS you hold. OSHA inspectors routinely check that the collection actually contains a sheet for everything on the inventory, and the reverse. Gaps on either side are citations under 29 CFR 1910.1200.
Starting fresh or catching up a program that slipped? SafetyFolio's written program generator builds a compliant HazCom program, including the chemical inventory structure and training documentation, without a consultant. It's aimed at exactly where most small businesses sit: regulated, understaffed, out of time.
What are the disposal and environmental rules for silver nitrate waste?
Silver nitrate waste doesn't go in the trash or down the drain. Full stop.
Under EPA regulations (40 CFR Parts 261-268), silver nitrate waste can qualify as RCRA hazardous waste as a toxicity characteristic waste (D011, the code for silver above 5 mg/L by TCLP). [10] That pulls in the full generator requirements: proper labeling, satellite accumulation limits, manifesting, and transport by a licensed hazardous waste hauler.
The EPA's Clean Water Act effluent limits also restrict silver discharge to publicly owned treatment works. Silver kills the bacteria that run biological wastewater treatment, so even trace amounts create a problem for municipal systems. Most treatment plants set local silver limits far stricter than you'd guess. Check with your local wastewater authority before you assume any concentration is fine.
For small labs and clinical users: silver-contaminated sharps, applicator sticks, and dressings go into the right waste containers and through your medical waste contractor, not into a biohazard bag and nothing else. The silver is a separate question from the biohazard.
Recovery is worth a look if you use silver nitrate in volume. Silver is valuable, and some hazardous waste vendors run silver recovery services that offset disposal costs. It's no windfall for small users, but a plating shop or a large photography operation should raise it with the hauler.
State agencies often go past federal minimums. California, New York, and others add reporting thresholds and disposal rules for silver. Your state environmental agency's website is the authoritative source for your jurisdiction.
Frequently asked questions
Where can I get a free silver nitrate SDS?
Your chemical supplier has to provide an SDS with every silver nitrate shipment at no charge, under 29 CFR 1910.1200. If you need one without buying product, manufacturers like MilliporeSigma (formerly Sigma-Aldrich), Fisher Scientific, and other distributors post their SDSs publicly online. Search CAS number 7761-88-8 on any major supplier's SDS portal. Confirm the sheet is current and GHS-compliant, meaning all 16 sections are there.
Is silver nitrate flammable?
Silver nitrate isn't flammable, but it's a strong oxidizer (DOT Class 5.1, UN 1493). It can accelerate fires by feeding oxygen to combustibles. Don't store it near flammable solvents, organic materials, or reducing agents. Heat it enough and decomposition releases toxic nitrogen oxides. Treat it as a fire hazard even though it won't ignite on its own.
What happens if silver nitrate gets in your eyes?
Eye contact is a medical emergency. Flush immediately with water for at least 15 minutes, eyelids held open. Remove contacts if they come out easily, but don't delay flushing to do it. After flushing, go to an emergency room or ophthalmologist immediately. Silver nitrate can cause permanent corneal damage and scarring. The brown-black staining confirms tissue contact. Don't wait to see if symptoms clear on their own.
What does the OSHA PEL for silver nitrate mean in practice?
OSHA's PEL for soluble silver compounds like silver nitrate is 0.01 mg/m³ as silver, measured as an 8-hour time-weighted average (29 CFR 1910.1000, Table Z-1). Airborne dust during dry handling is your main concern. Solution use in a well-ventilated lab rarely approaches this limit. Handle bulk solid silver nitrate regularly and air monitoring is the only way to know if you're under the PEL.
What is argyria and can silver nitrate cause it?
Argyria is a permanent bluish-gray discoloration of the skin from long-term systemic buildup of silver. It comes from chronic absorption of silver compounds, not a single contact. Occupational exposure to silver nitrate dust or solution over time, without adequate PPE, is a documented route. No medical treatment reverses it. SDS Section 11 covers it under chronic health effects. Consistent PPE prevents it.
Can I store silver nitrate in a regular chemical cabinet?
No, not without segregation. Silver nitrate is an oxidizing solid and belongs away from flammables, combustibles, organics, and reducing agents. A flammable storage cabinet built for solvents is exactly the wrong place. Use a dedicated oxidizer cabinet or a dedicated shelf with secondary containment, physically separated from organics. Amber glass containers keep light from decomposing it.
Is a material safety data sheet for silver nitrate different from an SDS?
No. MSDS and SDS name the same document at different points in regulatory history. OSHA adopted the GHS format in 2012 and renamed it the Safety Data Sheet. The current required format has 16 standardized sections. An older MSDS that doesn't match this format predates the 2016 compliance deadline, so request a current version from your supplier.
Does silver nitrate require a written hazard communication program?
Yes. If silver nitrate is used in your workplace and OSHA's HazCom standard applies to you (it covers nearly all general industry employers), you need a written Hazard Communication program under 29 CFR 1910.1200(e). It has to address labels, SDS management, and employee training, and be available to employees and OSHA inspectors on request. There's no size exemption. Even a one-person lab using silver nitrate needs it in writing.
How is silver nitrate waste disposed of properly?
Silver nitrate waste is typically RCRA hazardous waste D011 (silver) if it fails the TCLP toxicity test above 5 mg/L silver. Manage it through a licensed hazardous waste hauler, properly labeled and manifested. It can't go down the drain, because silver is toxic to the biological treatment in wastewater plants. Some vendors run silver recovery programs for higher-volume generators.
What PPE do I need when applying silver nitrate in a medical or clinical setting?
At minimum: chemical splash goggles (not safety glasses), nitrile gloves, and a lab coat or apron. For solutions above 10%, add a face shield over the goggles. An eyewash station has to be within 10 seconds of the work area per 29 CFR 1910.151. Respiratory protection generally isn't needed for low-volume clinical work in well-ventilated rooms, but document that in your exposure assessment and revisit it if use patterns change.
How often does the silver nitrate SDS need to be updated?
Manufacturers have to update an SDS when significant new hazard information turns up. OSHA sets no fixed interval. As the employer, request a current SDS from your supplier when you reorder and whenever you hear of a new version. If your current sheet lacks all 16 GHS sections, it's noncompliant, so replace it. Review your SDS library at least once a year for outdated versions.
What is the UN number and DOT classification for shipping silver nitrate?
Silver nitrate ships as UN 1493, Oxidizing Solid, N.O.S., Packing Group II, Class 5.1 under DOT rules (49 CFR 172.101). Shipments above de minimis quantities need proper DOT shipping papers, hazard labels (the oxidizer label), and packaging meeting UN performance standards. If you receive silver nitrate, your receiving staff should know to look for these markings and store it correctly on arrival.
What's the difference between a silver nitrate SDS and a chloroform SDS?
Both use the 16-section GHS format, but the hazard profiles are worlds apart. Silver nitrate is an oxidizing corrosive; chloroform is a volatile CNS depressant and suspected carcinogen. Silver nitrate's OSHA PEL is 0.01 mg/m³ as silver; chloroform's is a 50 ppm ceiling. Chloroform controls center on vapor containment in a fume hood. Silver nitrate controls center on dust suppression and splash protection. Workers handling both need separate training on each.
What OSHA standard covers silver nitrate in the workplace?
Silver nitrate falls primarily under OSHA's Hazard Communication Standard, 29 CFR 1910.1200, which requires SDSs, labels, and training for all hazardous chemicals. The exposure limit is in 29 CFR 1910.1000, Table Z-1 (0.01 mg/m³ as silver). PPE requirements reference 29 CFR 1910.132 through 1910.138. Emergency eyewash requirements fall under 29 CFR 1910.151. If a specific OSHA vertical standard covers your industry (construction, maritime), it may add more.
Sources
- OSHA, Hazard Communication Standard, 29 CFR 1910.1200: Employers must maintain SDSs for all hazardous chemicals, provide them to employees during their shift, and conduct HazCom training before initial assignment
- OSHA, Hazard Communication Standard Final Rule (2012 GHS alignment): OSHA aligned HazCom with GHS in 2012, adopting the 16-section SDS format with full compliance required by June 1, 2016
- NIOSH, International Chemical Safety Card for Silver Nitrate (ICSC 0867): Silver nitrate is an oxidizer that decomposes on heating above approximately 440°C releasing nitrogen oxides; incompatible with organic materials and reducing agents
- OSHA, Table Z-1: Limits for Air Contaminants, 29 CFR 1910.1000: OSHA PEL for silver compounds (as silver) is 0.01 mg/m³ TWA; OSHA ceiling for chloroform is 50 ppm under Table Z-2
- OSHA, Medical Services and First Aid, 29 CFR 1910.151: Requires suitable facilities for quick drenching or flushing of eyes and body when employees may be exposed to injurious corrosive materials
- OSHA, Respiratory Protection, 29 CFR 1910.134: A written respiratory protection program is required when respirators beyond dust masks are used in the workplace
- PHMSA/DOT, Hazardous Materials Table, 49 CFR 172.101: Silver nitrate is classified as UN 1493, Class 5.1 oxidizing solid, Packing Group II under DOT hazardous materials regulations
- IARC, Monographs on the Evaluation of Carcinogenic Risks to Humans: Chloroform (Vol. 73): IARC classifies chloroform as Group 2A, probably carcinogenic to humans, based on sufficient evidence in animals
- EPA, RCRA Hazardous Waste: Hazardous Waste Characteristics, 40 CFR 261: Silver is listed as D011 toxicity characteristic hazardous waste under RCRA at concentrations greater than 5 mg/L by TCLP
- EPA, Hazardous Waste Generator Requirements (40 CFR Parts 262-268): Generators of RCRA hazardous waste including silver compounds must manifest shipments, use licensed haulers, and comply with accumulation limits
- OSHA, Personal Protective Equipment, 29 CFR 1910.132: Employers must assess the workplace for hazards and select appropriate PPE; written certification of the hazard assessment is required
- OSHA, Eye and Face Protection, 29 CFR 1910.133: Chemical splash goggles are required for eye protection against corrosive chemical splashes such as silver nitrate solutions