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Product Name: Lead Dihydrogen Phosphite
Chemical Formula: Pb(H2PO3)2
Other Names: Lead(II) Phosphite, Dihydrogen Phosphite Lead Salt
CAS Number: 13453-28-6
Recommended Use: Laboratory chemicals, research applications, industrial manufacturing
Supplier Details: Refer to manufacturer or distributor for emergency contact numbers and address
Hazard Classification (GHS): Acute toxicity (oral, inhalation), hazardous to aquatic environment, reproductive toxicant
Signal Word: Danger
Hazard Statements: Toxic if swallowed or inhaled, suspected of damaging fertility or the unborn child, causes damage to organs through prolonged or repeated exposure, very toxic to aquatic life with long-lasting effects
Pictograms: Skull and crossbones, Health hazard, Environment
Precautionary Statements: Avoid release to environment, do not breathe dust or fumes, wear protective gloves/clothing/eye face protection, wash hands thoroughly after handling, seek immediate medical advice if exposed or concerned
Chemical Name: Lead Dihydrogen Phosphite
Synonyms: Lead(II) Dihydrogen Phosphite
Concentration: 100%
EINECS No.: 236-610-0
Molecular Weight: 473.14 g/mol
Impurities Affecting Toxicity: Trace heavy metals or decomposition products can increase toxicity
Inhalation: Move person to fresh air, keep at rest, seek medical attention right away if symptoms (coughing, difficulty breathing) develop, supply oxygen if breathing is difficult
Skin Contact: Remove contaminated clothing, wash skin thoroughly with soap and water, seek medical help if irritation or symptoms persist
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present and easy to do, continue rinsing, consult a doctor
Ingestion: Do not induce vomiting, rinse mouth, immediately contact poison control or a physician, never give anything by mouth to an unconscious person
Symptoms and Effects: Abdominal pain, headache, dizziness, nausea, vomiting, potential neurological effects, long-term exposure may cause anemia or kidney damage
Suitable Extinguishing Media: Dry chemical, foam, carbon dioxide
Unsuitable Extinguishing Media: Water streams may spread contamination
Specific Hazards: Toxic lead fumes and phosphorous oxides may form in fire conditions, avoid breathing vapors
Protective Equipment: Wear full protective gear, self-contained breathing apparatus
Firefighting Procedures: Evacuate area, contain runoff to prevent environmental release, use water spray to cool containers exposed to fire
Personal Precautions: Avoid dust, ventilate area, evacuate unnecessary personnel, wear respiratory protection, gloves, and impermeable clothing
Environmental Precautions: Prevent product from entering sewers, waterways, or soil, report spills according to local environmental laws
Methods for Cleanup: Collect using non-sparking tools and sealed containers, moisten to prevent dust, sweep up carefully, dispose of collected material according to local regulations
Decontamination: Wash area with plenty of water, avoid creating airborne dust, monitor area for residues
Handling: Use in well-ventilated settings or chemical fume hoods, avoid breathing dust and contact with skin or eyes, handle using chemical safe practices, do not eat, drink, or smoke near product
Storage Conditions: Store in original tightly closed containers in cool, dry, well-ventilated space, keep away from incompatible materials like acids and strong oxidizers, label clearly
Special Packaging Requirements: Use corrosion-resistant and leak-proof containers
Hygiene Measures: Wash hands and exposed skin thoroughly after handling, keep work clothes separate from street clothes
Occupational Exposure Limits: ACGIH TLV: 0.05 mg/m3 (as Lead); OSHA PEL: 0.05 mg/m3 (as Lead)
Engineering Controls: Local exhaust ventilation or fume hoods, eyewash stations, and safety showers
Personal Protective Equipment: Chemical-resistant gloves, lab coat or apron, safety goggles or face shield, approved respirator for dust and vapors
Monitor Exposure: Regular monitoring for airborne concentrations, periodic blood-lead level checks for personnel
Appearance: White to off-white crystalline powder
Odor: Odorless
Melting Point: Decomposition occurs before melting
Boiling Point: Not applicable (decomposes before boiling)
Solubility: Low solubility in water
Vapor Pressure: Not measurable (non-volatile)
Density: Approximately 5.2 g/cm3
pH: Not applicable (insoluble)
Other Characteristics: Not flammable, forms toxic fumes when decomposed, stable under normal storage conditions
Chemical Stability: Stable under recommended storage and handling conditions
Reactivity: Can react with acids to form toxic phosphine gas, may react with strong oxidizing agents
Hazardous Decomposition Products: Lead oxides, phosphorus oxides, hydrogen gas
Incompatible Materials: Strong acids, bases, oxidizers
Conditions to Avoid: Excess moisture, extreme heat, contact with incompatible chemicals
Acute Toxicity: Toxic if swallowed or inhaled, may cause severe health effects or death with high-level exposure
Chronic Toxicity: Prolonged exposure causes lead accumulation, anemia, kidney damage, nervous system and reproductive effects
Routes of Exposure: Ingestion, inhalation, skin contact
Symptoms of Poisoning: Abdominal pain, muscle weakness, memory loss, tremors, irritability, nephrotoxicity
Carcinogenicity: Lead and its compounds are listed as probable human carcinogens by IARC and NTP
Other Effects: Developmental toxicity, neurotoxicity in children, possible fertility impairment in adults
Ecotoxicity: Extremely toxic to aquatic organisms, may cause long-lasting adverse effects in the aquatic environment
Persistence and Degradability: Lead compounds do not degrade easily, persist in soil and sediment
Bioaccumulation: Tends to accumulate in living organisms, especially aquatic life and higher food chain predators
Mobility in Soil: Low mobility, but can leach in acidic soils
Other Adverse Effects: Lead poisoning in wildlife, contamination risks to water supplies, long-term ecosystem harm
Disposal Methods: Treat as hazardous waste, incineration not suitable due to toxic fumes, contact licensed waste disposal contractor
Container Disposal: Dispose of contaminated packaging through an approved hazardous waste management facility
Regulations: Comply with local, regional, and national hazardous waste management rules
Precautions: Do not dispose in household garbage, drains, or natural water sources
UN Number: 2291
Proper Shipping Name: Lead Compound, N.O.S. (Lead Dihydrogen Phosphite)
Transport Hazard Class: 6.1 (Toxic substances)
Packing Group: III
Environmental Hazards: Marine pollutant, special marking required
Special Precautions: Secure containers, label correctly, ensure vehicle ventilation, carry spill control kits
Regulatory Codes: Follow ICAO/IATA for air, IMDG for sea, and local authorities for land transport
TSCA (US): Listed, subject to reporting under TSCA section 8(E)
REACH (EU): Lead compounds are subject to restrictions and authorization under REACH
OSHA: Regulated as toxic and hazardous, must meet occupational standards
SARA Title III: Listed as an Extremely Hazardous Substance, reportable quantity applies
California Proposition 65: Subject to warning requirements due to known reproductive and developmental toxicity
Other Agencies: Subject to workplace control under COSHH (UK), WHMIS (Canada), GHS labeling globally
