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Product Name: Iron Arsenate
Chemical Formula: FeAsO4
Recommended Use: Laboratory reagents, pigment manufacturing, pesticide component
Manufacturer Information: Provided by the supplier or lab
Emergency Contact: Local poison control center or emergency number
Synonyms: Ferric arsenate, Iron(III) arsenate
Hazard Class: Acute toxicity (oral, dermal, inhalation)
Signal Word: Danger
Hazard Statements: Fatal if swallowed, toxic if inhaled or absorbed through skin, causes damage to organs through prolonged or repeated exposure
Precautionary Statements: Avoid breathing dust, avoid all contact with skin and eyes, wash thoroughly after handling, use only outdoors or in a well-ventilated area
Route of Exposure: Inhalation, ingestion, skin and eye contact
Symptoms: Nausea, headache, abdominal pain, vomiting, diarrhea, convulsions at high exposure
Chemical Name: Iron(III) arsenate
CAS Number: 10103-50-1
Concentration (%): 95-100 (depending on purity)
Other Impurities: Trace iron oxides, trace arsenic compounds, potential silica (from industrial processes)
Ingestion: Rinse mouth with water without swallowing, seek immediate medical attention, do not induce vomiting unless instructed
Inhalation: Remove person to fresh air, seek emergency help, provide oxygen if breathing is difficult
Skin Contact: Immediately remove contaminated clothing and flush skin with plenty of water and mild soap for 15 minutes or more, seek medical care for irritation or lasting effects
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present and easy to do, continue rinsing, get medical attention
Expedited Treatment: Medical personnel should be informed of arsenic poisoning potential and treat accordingly
Suitable Extinguishing Media: Dry sand, dry chemical compound, carbon dioxide, foam extinguisher
Specific Hazards: Material may emit toxic arsenic oxides and iron fumes during combustion
Protective Equipment for Firefighters: Full protective clothing, self-contained breathing apparatus
Special Procedures: Cool containers with water spray, prevent runoff from fire control or dilution from entering waterways or sewers
Personal Precautions: Use personal protective equipment such as gloves, goggles, face shield, and a P2 or NIOSH-approved respirator
Environmental Precautions: Prevent spill from reaching drains, surface water, or soil
Methods for Cleanup: Using non-sparking tools, carefully collect spilled powder and place in properly labeled container for disposal, ventilate area, wash spill site after material pickup is complete
Decontamination: Area should be washed with suitable detergent and decontaminating solutions with alkaline preference to break down arsenic compounds
Safe Handling: Wear protective gloves, clothing, and eye/face protection, operate in well-ventilated spaces, avoid dust generation, keep container tightly closed
Hygiene: Wash hands thoroughly after handling, use separate work clothes, do not eat, drink, or smoke during handling
Storage Conditions: Store in cool, dry, well-ventilated chemical area, keep containers closed and clearly labeled, restrict access to trained personnel only
Incompatible Materials: Strong acids, strong bases, reducing agents
Storage Duration: Observe regulatory restrictions for toxic substances and monitor container integrity over time
Occupational Exposure Limits: OSHA PEL for arsenic compounds–0.01 mg/m³; ACGIH TLV–0.01 mg/m³ (as As)
Engineering Controls: Work in chemical fume hood, provide mechanical exhaust if not possible, monitor air concentrations
Personal Protective Equipment: Unperforated goggles, acid-resistant gloves, impervious clothing, suitable respirator or supplied air gear if exposure cannot be controlled
Workplace Controls: Emergency eyewash stations and safety showers, do not touch contaminated surfaces with bare skin, use local and general exhaust ventilation to control airborne concentrations
Appearance: Pale green to yellowish-brown odorless powder
Molecular Weight: Approximately 229.77 g/mol
Melting Point: Decomposes without melting
Solubility: Insoluble in water, soluble in acids
pH: Not applicable (insoluble in water)
Vapor Pressure: Negligible
Boiling Point: Not applicable
Density: 3.1–4.0 g/cm³ (varies by crystal form)
Odor: None
Partition Coefficient (n-octanol/water): Not available
Chemical Stability: Stable under standard temperature and pressure if kept dry and sealed
Reactivity: May react with strong acids to release arsenic oxides, may react with strong reducing agents
Conditions to Avoid: Exposure to moisture, strong heat sources, incompatible materials
Hazardous Decomposition Products: Arsenic trioxide, iron oxide fumes at high temperature
Polymerization: Does not undergo hazardous polymerization
Acute Toxicity: High, ingestion can be fatal; arsenic compounds have well-documented toxicity targets including gastrointestinal tract, cardiovascular system, and nervous system
Chronic Effects: Prolonged or repeated exposure associated with skin changes, increased risk of cancer, peripheral neuropathy, and organ damage
Carcinogenicity: Classified by IARC as Group 1, known human carcinogen (arsenic and inorganic arsenic compounds)
Routes of Exposure: Skin contact, inhalation, ingestion
Symptoms: Early symptoms include malaise and gastrointestinal distress, followed by organ and system failure at serious exposure levels
Target Organs: Skin, lungs, kidney, liver
Medical Conditions Aggravated by Exposure: Pre-existing lung, liver, kidney, or skin conditions
Aquatic Toxicity: Highly toxic to aquatic organisms, risk of bioaccumulation through food chain
Persistence and Degradability: Inorganic arsenic compounds resist break-down, may persist in soil and sediment
Mobility in Soil: Potential for groundwater contamination in acidic or sandy soils
Ecotoxicological Effects: Harmful to plants and animals even at low concentrations, linked with arsenic poisoning in wildlife
Other Adverse Effects: Environmental risk increases if released in large quantities or over time
Waste Treatment Methods: Dispose via a licensed hazardous waste contractor specializing in heavy metals and arsenic compounds
Disposal Containers: Use sealed, corrosion-resistant, and clearly marked hazardous waste containers
Special Precautions: Do not dump into drains or the environment, comply with local, national, and international regulations for toxic substances
Waste Codes: Refer to jurisdictional hazardous waste code for arsenic compounds (usually U-series under US EPA)
UN Number: UN1557 (Arsenic Compounds, inorganic, solid, n.o.s.)
Transport Hazard Class: 6.1 (Toxic Substances)
Packing Group: II (medium danger)
Labels: Toxic, environmentally hazardous
Special Transport Notes: Only personnel trained in hazmat transport should handle, keep away from food and animal feed, provide documentation to authorities during shipment
US Regulations: OSHA regulated, listed in CERCLA and SARA Title III Section 313, requires reporting if thresholds are exceeded
European Regulations: Classified as a dangerous substance under CLP and REACH guidelines
Canada: WHMIS Class D1A (very toxic), environmental hazard symbols required
International Laws: Subject to transport restrictions under UN guidelines, Rotterdam Convention for certain uses
Workplace Training: Personnel must be trained on hazard recognition, PPE, exposure risks, and emergency procedures specific for arsenic compounds
