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Product Name: 3-Nitrobenzenearsonic Acid
Synonyms: Roxarsone, 4-Hydroxy-3-nitrobenzenearsonic acid
Chemical Formula: C6H6AsNO6
CAS Number: 121-19-7
Recommended Use: Laboratory reagent, intermediate in organic synthesis, veterinary pharmaceuticals
Supplier Information: [Company address, emergency phone], production and distribution handled in compliance with regional and international regulations
Hazard Classification: Acute Toxicity (Oral, Dermal, Inhalation), Skin Irritation, Eye Irritation, Specific Target Organ Toxicity (Single Exposure), Chronic Aquatic Toxicity
Label Elements: Pictogram: Skull and crossbones, Health hazard, Environment
Signal Word: Danger
Hazard Statements: Toxic if swallowed, toxic in contact with skin, may cause damage to organs through prolonged or repeated exposure, harmful to aquatic life with long lasting effects, causes skin and serious eye irritation
Precautionary Statements: Avoid breathing dust, wear protective gloves and clothing, prevent release to the environment, wash thoroughly after handling, avoid contact with eyes, skin, and clothing
Chemical Name: 3-Nitrobenzenearsonic acid
Concentration: 100%
CAS Number: 121-19-7
EC Number: 204-468-6
Impurities: None reported, product provided as pure substance unless noted otherwise by batch-specific analysis
Inhalation: Move person to fresh air, keep comfortable for breathing, seek immediate medical attention if any respiratory symptoms appear, provide oxygen if breathing becomes difficult
Skin Contact: Remove contaminated clothing, flush skin with large amounts of water and soap, do not delay washing, immediately call a doctor if irritation persists
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present, continue rinsing, seek medical advice without delay
Ingestion: Rinse mouth, give plenty of water to drink if conscious, do not induce vomiting, get to a doctor or poison control center right away
Most Important Symptoms: Burning or irritation of exposed tissues, gastrointestinal distress (nausea, headache, vomiting), effects on heart and nervous system
Notes to Physician: Provide symptomatic and supportive treatment, monitor for acute arsenic poisoning, consider chelation therapy as appropriate
Suitable Extinguishing Media: Use dry chemical powder, carbon dioxide, or foam, water spray for large fires
Unsuitable Media: Avoid water jets which may spread material
Specific Hazards: May emit toxic fumes including arsenic oxides and nitrogen oxides during combustion
Protective Equipment for Firefighters: Wear self-contained breathing apparatus and full protective clothing
Special Precautions: Move containers from fire area if safe, control runoff, avoid entering confined spaces
Personal Precautions: Evacuate area, control entry, use appropriate respiratory and skin protection
Environmental Precautions: Prevent further leakage, avoid contaminating drains, soil, and water sources
Methods for Cleanup: Stop leak if safe, collect spilled material with non-sparking tools, place in labeled container, decontaminate affected area with water and detergent
Disposal: Seal waste for disposal as hazardous material, consult local, regional, federal waste management agencies
Safe Handling: Handle in well-ventilated areas, minimize dust generation, wear protective clothing, never eat, drink or smoke in working spaces
Storage Conditions: Store in tightly closed containers, away from food and feedstuffs, keep cool and dry, locked cupboard recommended, keep separate from reducing agents and strong acids
Incompatible Materials: Strong oxidizing or reducing agents, acids, bases, materials that may react with arsenic compounds
Occupational Exposure Limits: OSHA PEL (Arsenic, inorganic): 0.01 mg/m³; ACGIH TLV: 0.01 mg/m³
Engineering Controls: Use fume hood or local exhaust ventilation
Respiratory Protection: Approved air-purifying respirator in absence of adequate ventilation
Skin Protection: Chemical-resistant gloves (nitrile, neoprene), lab coats, long pants, closed shoes
Eye Protection: Chemical safety goggles, face shield where splashing may occur
Hygiene Measures: Wash hands thoroughly after handling, remove contaminated clothing, prevent cross-contamination
Appearance: Yellow to orange crystalline powder
Odor: Odorless
Melting Point: Decomposes above 242°C
Boiling Point: Not applicable (decomposes)
Solubility: Soluble in water, insoluble in most organic solvents
Molecular Weight: 263.04 g/mol
Density: 1.76 g/cm³
pH: Slightly acidic (when dissolved in water)
Vapor Pressure: Not available
Partition Coefficient: No data
Flash Point: Not flammable
Auto-Ignition Temperature: Not self-igniting
Chemical Stability: Stable under recommended storage conditions, decomposes at high temperatures
Reactivity: May react with strong acids, bases, and reducing agents
Hazardous Decomposition Products: Toxic arsenic oxides, nitrogen oxides, carbon monoxide, carbon dioxide
Polymerization: Will not occur under normal handling
Conditions to Avoid: Exposure to elevated temperatures, contact with incompatible materials, open flames, direct sunlight
Acute Toxicity: Oral LD50 (rat): 50-500 mg/kg, indicating high acute toxicity.
Chronic Effects: May cause adverse effects to liver, kidney, nervous system, and can lead to arsenic poisoning with prolonged or repeated exposure
Symptoms of Exposure: Nausea, gastrointestinal irritation, headache, dizziness, skin or mucous membrane irritation
Carcinogenicity: Classified by IARC and NTP as carcinogenic based on arsenic content
Mutagenicity: Evidence suggests potential for mutagenic effects
Reproductive Toxicity: Effects on fertility and fetal development have been observed in animal testing
Sensitization: No data available on skin or respiratory sensitization
Route of Exposure: Inhalation, ingestion, skin and eye contact
Aquatic Toxicity: Harmful to aquatic life with long lasting effects due to arsenic component
Persistence and Degradability: Not readily biodegradable, persists in environment
Bioaccumulation: Potential to bioaccumulate in aquatic organisms and terrestrial biota
Mobility in Soil: Moderately mobile, risk of groundwater contamination
Other Adverse Effects: Arsenic compounds have been linked to alterations in ecosystem function and biomagnification risks
Waste Treatment Methods: Dispose as hazardous chemical waste according to local, state, and federal regulations
Contaminated Packaging: Decontaminate and dispose in compliance with environmental regulations
Special Precautions: Do not discharge into drains or environmental waters, use approved waste contractor for disposal
Recycling and Recovery: Processed or recycled only at approved facilities equipped for handling arsenic compounds
UN Number: UN1557
Proper Shipping Name: Arsenic compound, solid, n.o.s. (contains 3-nitrobenzenearsonic acid)
Transport Hazard Class: 6.1 (Toxic Substance)
Packing Group: II
Environmental Hazards: Hazardous to aquatic environment, marine pollutant
Special Precautions for User: Must be handled by trained professionals, carry appropriate documentation, emergency response information required
Transport in Bulk: Not suitable for bulk shipment under MARPOL or IBC code
U.S. Regulations: Listed under CERCLA, SARA Title III, TSCA Inventory, OSHA (process safety)*
Other International Inventories: EINECS (Europe), DSL (Canada), AICS (Australia), ENCS/METI (Japan)
Workplace Restrictions: Subject to strict occupational exposure limits for arsenic compounds
Hazard Symbols: T (Toxic), N (Dangerous for Environment)
Specific Provisions: Subject to strict import/export controls, special reporting requirements for large scale usage or disposal
Training Requirements: Personnel must receive regular safety training regarding handling, exposure risk, waste management, emergency response
