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Product Name: Ammonium Arsenate
Chemical Formula: (NH4)3AsO4
CAS Number: 7783-46-2
Synonyms: Triammonium arsenate
Use: Laboratory reagent, chemical research, pigment manufacturing
Supplier: Name, address, emergency phone number, and email for direct contact
Hazard Classification: Acute toxicity (oral, dermal, inhalation)
Signal Word: Danger
Hazard Statements: Fatal if swallowed, fatal in contact with skin, fatal if inhaled, suspected carcinogen, causes damage to organs through prolonged or repeated exposure
Precautionary Statements: Avoid all contact, wear protective equipment, avoid breathe dust or fumes, wash thoroughly after handling, do not eat/drink/smoke during use
Chemical Name: Ammonium Arsenate
Common Name: Ammonium arsenate
Concentration: 100%
Impurities: Potential traces of arsenic oxides
Molecular Weight: 229.01 g/mol
General Advice: Remove victim from exposure area, seek immediate medical attention, follow all instructions from emergency personnel
Inhalation: Move to fresh air at once, administer oxygen if breathing is difficult, seek medical attention
Skin Contact: Remove contaminated clothing, rinse skin with water for at least 15 minutes, wash thoroughly with soap, seek urgent medical attention
Eye Contact: Rinse cautiously with water for several minutes, hold eyelids open, seek immediate medical advice
Ingestion: Do not induce vomiting, rinse mouth, seek medical advice right away
Suitable Extinguishing Media: Water spray, carbon dioxide, dry chemical powder, foam
Specific Hazards: Toxic fumes of arsenic oxides may be released
Protective Equipment: Firefighters should wear self-contained breathing apparatus and full protective clothing
Firefighting Instructions: Move containers from area if safe, prevent runoff into waterways, use spray to keep containers cool
Personal Precautions: Evacuate unprotected individuals, restrict access, wear full protective gear, avoid contact
Environmental Precautions: Prevent entry to sewers, waterways, and soil
Spill Cleanup Methods: Sweep up carefully, place in labeled containers for safe disposal, ventilate area, decontaminate with dilute sodium hypochlorite
Disposal: Follow all regulatory instructions for disposal, do not flush to drains or environment
Handling: Wear chemical-resistant gloves, eye protection, avoid breathing dust, never eat or drink where material is used, wash thoroughly after handling
Storage: Store in tightly closed containers, away from incompatible materials, in cool, dry, well-ventilated area, clearly labeled, limited access
Incompatible Materials: Oxidizing agents, acids, strong bases
Special Requirements: Use containment to avoid environmental release
Occupational Exposure Limits (OEL): OSHA PEL: 0.01 mg/m3 (TWA, as arsenic)
Engineering Controls: Use fume hoods, local exhaust, negative pressure rooms
Personal Protective Equipment (PPE): Respiratory protection (air-purifying or supplied air), impervious gloves, chemical splash goggles, lab coat or coveralls
Hygiene: Avoid skin contact, remove contaminated clothing, wash hands before breaks and at end of work
Appearance: White crystalline solid
Odor: None
Odor Threshold: Not applicable
pH: 7 (aqueous solution)
Melting Point / Freezing Point: Decomposes
Boiling Point: Not available
Solubility: Soluble in water
Vapor Pressure: Negligible
Vapor Density: Not available
Density: Approximately 2.3 g/cm3
Flash Point: Not applicable
Partition Coefficient (n-octanol/water): Not available
Auto-ignition Temperature: Not applicable
Chemical Stability: Stable under recommended storage conditions
Reactivity: Reacts with strong acids or bases, oxidizing agents
Hazardous Decomposition: Toxic fumes of arsenic compounds, including arsenic oxides
Polymerization: Will not occur
Conditions to Avoid: Heat, moisture, incompatible substances
Routes of Exposure: Inhalation, ingestion, skin contact, eye contact
Acute Toxicity: LD50 (oral, rat): 6 mg/kg, highly toxic
Symptoms of Exposure: Nausea, vomiting, abdominal pain, diarrhea, convulsions, headache, weakness, shock
Chronic Exposure: Carcinogenic to humans, may cause skin lesions, multi-organ damage, nerve damage
Carcinogenicity: Classified as Group 1 carcinogen by IARC
Other Health Effects: Reproductive toxicity, mutagenicity
Environmental Toxicity: Highly toxic to aquatic organisms, long-term adverse effects expected in aquatic environments
Persistence and Degradability: Persistent, does not readily degrade in environment
Bioaccumulation: Potential for significant bioaccumulation in aquatic organisms
Mobility: High mobility in soil and water, widespread environmental risk
Special Remarks: Do not allow material to contaminate ground- or surface-water systems
Waste Treatment Methods: Collect and contain material in labeled hazardous waste containers, dispose in accordance with local, state, and national regulations
Special Precautions: Decontaminate equipment, prevent release to environment, use only licensed hazardous waste contractors
Disposal of Contaminated Packaging: Treat packaging as hazardous waste, clean if possible before disposal or recycling
UN Number: UN1558
Proper Shipping Name: Ammonium arsenate
Transport Hazard Class: 6.1 (Toxic substances)
Packing Group: II
Labels: Toxic
Environmental Hazards: Classified as marine pollutant
Transport Precautions: Secure container, provide transport documents, comply with international, national and local transportation laws
OSHA: Listed as hazardous, strict workplace controls
EPA: Designated hazardous substance, subject to reporting requirements (CERCLA, SARA Title III)
TSCA: Listed
RCRA: Hazardous waste, proper disposal required
WHMIS (Canada): D1A, D2A, strict labeling and handling
Other regulations: Follow all applicable national and local laws regarding use, storage, and disposal, including workplace health and environmental standards
Labeling Requirements: Toxic, carcinogen, environmental hazard, strict hazard communication protocols
