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Product Name: Iron Arsenite
Chemical Formula: FeAsO3
CAS Number: 1346-39-0
Synonyms: Ferrous arsenite
Recommended Use: Chemical analysis, pigment preparation, laboratory applications
Manufacturer Information: Facility and 24-hour emergency contact numbers available through national poison control networks.
Supplier: Registered chemical provider with compliance certificates.
Emergency Phone Number: Refer to local hazardous material authority or environmental health and safety office.
GHS Classification: Acute toxicity (oral, dermal, inhalation), carcinogenicity, environmental hazard
Signal Word: Danger
Hazard Statements: Highly toxic if swallowed or inhaled, causes damage to organs, suspected of causing cancer, toxic to aquatic life with long lasting effects
Pictograms: Skull and crossbones, Health hazard, Environment
Precautionary Statements: Avoid breathing dust, wear protective gloves and eye/face protection, wash thoroughly after handling, avoid release to the environment
Chemical Name: Iron Arsenite
Common Name: Iron(II) arsenite
CAS Number: 1346-39-0
Percent (Weight): 100%
Impurities and Stabilizing Additives: May contain trace moisture or iron oxides, depending on manufacturer source
Inhalation: Move to fresh air quickly, keep person at rest, seek medical attention without delay
Skin Contact: Wash thoroughly with soap and water, remove contaminated clothing and shoes, consult a doctor if irritation develops
Eye Contact: Rinse cautiously with water for at least 15 minutes, keep eyelids open, contact a specialist immediately
Ingestion: Do not induce vomiting, rinse mouth, never give anything by mouth to an unconscious person, get urgent medical help
Most Important Symptoms/Effects: Nausea, vomiting, abdominal pain, diarrhea, respiratory distress, skin irritation, severe eye irritation, risk of organ or systemic toxicity
Notes for Physicians: Monitor for signs of arsenic poisoning, provide symptomatic and supportive care, consider chelation for severe cases
Suitable Extinguishing Media: Use dry chemical, carbon dioxide, foam, or sand
Unsuitable Extinguishing Media: Avoid water streams which may spread contaminants
Hazardous Combustion Products: Toxic metallic fumes, arsenic oxides, iron oxides
Special Protective Equipment: Wear self-contained breathing apparatus and full protective gear
Firefighting Procedures: Evacuate area, control runoff, fight fire from a safe distance, avoid inhaling smoke or fumes
Explosion Hazards: No explosive properties, but decomposition releases toxic gases
Personal Precautions: Evacuate nonessential personnel, put on safety goggles, dust mask or respirator, gloves, and appropriate clothing
Environmental Precautions: Prevent entry into sewers, drains, waterways, or soil
Methods for Containment: Contain spillage and collect in sealed, labeled containers using non-sparking tools
Clean-up Methods: Avoid dry sweeping, dampen powder for collection, ventilate area, dispose of cleanup materials as hazardous waste
Reference to Other Sections: Observe protective measures described under Exposure Controls and Personal Protection
Precautions for Safe Handling: Keep away from sources of ignition, avoid dust formation, use in well-ventilated area, handle with chemical-safe gloves and goggles
Avoidance: Do not eat, drink, or keep food near the product. Practice personal hygiene after use.
Storage Conditions: Store in original, tightly sealed container, cool, dry, secure locker that is ventilated, away from incompatible substances such as strong oxidizers or acids
Incompatibilities: Strong acids, oxidizers, moisture
Specific End Use(s): Intended for trained personnel only
Exposure Limits: OSHA, NIOSH, and ACGIH have set strict permissible exposure limits for arsenic compounds (e.g., Arsenic: 0.01 mg/m3 as TWA)
Engineering Controls: Work under chemical fume hood or with local exhaust ventilation, use closed handling systems
Respiratory Protection: Wear NIOSH-approved full-face respirator if dust exposure exceeds limits
Skin Protection: Use impervious gloves, disposable coveralls, rubber boots
Eye Protection: Chemical safety goggles, face shield if risk of splashing
Hygiene Measures: Remove and wash contaminated clothing before reuse, wash hands thoroughly after work, no smoking in work area
Appearance: Pale green, odorless powder or crystalline solid
Odor: None
Odor Threshold: Not established
pH: Not available
Melting Point/Freezing Point: Decomposes before melting
Boiling Point: Not applicable (decomposes)
Flash Point: Not flammable
Evaporation Rate: Not applicable
Flammability: Non-combustible material
Vapor Pressure: Not available
Solubility in Water: Practically insoluble
Density: Approximately 4.4 g/cm3
Partition Coefficient (n-octanol/water): Not determined
Decomposition Temperature: Above 200°C, releases toxic fumes
Other Data: Fine dust can create local airborne hazard
Chemical Stability: Stable under recommended storage and handling conditions
Reactivity: Stable with most materials in neutral conditions
Possible Hazardous Reactions: Contact with strong acids may liberate toxic arsine gas, contact with strong oxidizers can trigger fires or explosions
Conditions to Avoid: Excess heat, moisture, incompatible chemicals
Incompatible Materials: Strong acids, strong oxidizers
Decomposition Products: Arsenic oxides, iron oxides, arsine
Acute Toxicity: Highly toxic, oral LD50 (rat) estimated at 15 mg/kg (based on arsenic content)
Routes of Exposure: Inhalation, ingestion, dermal, ocular
Chronic Effects: Arsenic compounds are confirmed carcinogens, can cause skin, lung, and systemic effects
Symptoms of Overexposure: Headache, dizziness, gastrointestinal upset, cardiovascular effects, neurological symptoms, peripheral neuropathy possible with chronic exposure
Carcinogenicity: Arsenic compounds classified as Group 1 carcinogen (IARC)
Mutagenicity: Genotoxic effects documented in laboratory studies
Reproductive Toxicity: Effects on fertility and embryo development reported in some species
Sensitization: Not likely but prolonged exposure may cause allergic reactions in sensitive individuals
Ecotoxicity: Very toxic to aquatic life, may bioaccumulate, long-term hazards in aquatic and terrestrial environments
Persistence and Degradability: Inorganic compound, persists in environment, arsenic does not degrade
Bioaccumulation: High bioaccumulation potential in aquatic organisms and plants
Mobility in Soil: Low solubility but may migrate as particulates or via binding to complexed organic matter
Other Adverse Effects: May persist in sediments and enter the food chain, posing hazards to wildlife and humans
Waste Treatment Methods: Dispose of as hazardous waste at approved facility, comply with local, national environmental and hazardous waste regulations
Contaminated Containers: Rinse thoroughly and dispose as regulated contaminated packaging
Precautions: Never dispose into sewer or surface waters, avoid generating dust, consult local environmental authority for approved disposal options
UN Number: 1557
UN Proper Shipping Name: Arsenic compound, inorganic, solid, n.o.s. (Iron arsenite)
Transport Hazard Class: 6.1 (Toxic substances)
Packing Group: II
Environmental Hazards: Marine pollutant
Special Precautions for Transport: Secure packaging to prevent dust release, carry emergency spill control equipment, document all shipments as per hazardous material regulations, driver trained in handling toxic cargo
Workplace Safety Laws: Covered under OSHA, local worker protection standards, hazardous communications programs
TSCA Inventory: Listed
RCRA Hazardous Waste Code: D004 (Arsenic)
SARA Title III: Subject as extremely hazardous substance (Section 302), reporting required for accidental release
CERCLA: Reportable Quantities assigned for spills
California Proposition 65: Arsenic compounds listed as known to cause cancer
Other Regulations: Internationally regulated for use, transport, disposal, subject to exporter/importer notification and consent in many jurisdictions
