Product Name: Aluminum Diethyl Phosphinate
Chemical Formula: C4H10AlO4P
Synonyms: Phosphinic acid, diethyl-, aluminum salt; Diethylphosphinate aluminum salt
CAS Number: 225789-38-8
Recommended Use: Flame retardant for plastics and polymers, additive for electronics and automotive components
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Relevant Identified Uses: Used mainly in thermoplastics, electronic enclosures, and some technical textiles
Restrictions on Use: Not intended for food, cosmetic, or pharmaceutical applications
Classification: Not classified as hazardous according to GHS criteria under normal handling
Hazard Statements: May cause mild eye and skin irritation, inhalation of dust can irritate respiratory tract
Pictograms: No mandatory pictograms required by GHS standards
Precautionary Statements: Avoid inhaling dust or fume, wash hands after handling, prevent contact with eyes and skin
Potential Health Effects: Eye contact gains redness, skin can feel dry or itchy, sensitive individuals could cough from airborne particles, in rare cases, ingestion upsets stomach
Chemical Identity: Aluminum diethyl phosphinate
CAS Number: 225789-38-8
Concentration: >95% (major constituent)
Impurities: Trace levels of organophosphorus compounds less than 1%, no identified hazardous impurities requiring disclosure as per current regulations
Molecular Weight: 198.1 g/mol
Eye Contact: Rinse eye steadily with plenty of clean water, remove contact lenses if present and easy, continue flushing, get medical advice if irritation persists
Skin Contact: Use soap and lots of water, remove contaminated clothing, seek help if redness or itching continues
Inhalation: Move person outside to fresh air, sit comfortably and loosen clothing, call for medical help if symptoms continue
Ingestion: Rinse mouth, drink water in small sips, don’t induce vomiting unless told by medical personnel, seek medical aid if discomfort remains
General Advice: Show this safety sheet to health professionals when seeking care, mention product and nature of exposure
Suitable Extinguishing Media: Water spray, foam, dry chemical, or CO2 for surrounding fire
Fire Hazards: Product itself unlikely to burn, decomposes above 400°C to produce toxic fumes including phosphorous oxides and aluminum oxide
Protective Equipment: Firefighters use self-contained breathing apparatus and turnout gear
Special Procedures: Keep run-off out of drains and water supplies, cool closed containers with water spray, evacuate area if smoke or fume becomes dense
Combustion Products: Phosphoric acids, aluminum oxides, trace of carbon compounds
Personal Precautions: Wear dust mask or respirator, protective gloves, chemical safety goggles, and coveralls
Spill Cleanup: Collect spilled powder using non-sparking tools, place in labeled container for disposal, avoid raising dust
Environmental Precautions: Don’t let material enter drains, waterways, or soil
Disposal: Dispose in accordance with local and national regulations using physical or chemical containment
Notification Procedures: Notify authorities if product has caused environmental contamination beyond facility boundaries
Safe Handling: Use in areas with good airflow, prevent dust buildup, avoid eating, drinking, or smoking near use point, wash hands and clothes after exposure
Storage Conditions: Keep dry, pack tightly closed away from moisture, store at 15–30°C out of sunlight
Incompatibilities: Strong acids and bases, strong oxidizers, avoid strong reducing agents
Storage Duration: No rapid degradation reported under recommended storage
Packaging Requirements: Use original, labeled, moisture-sealed containers
Exposure Limits: No established Occupational Exposure Limit for this specific material
Respiratory Protection: Use dust mask (P2 or N95) for powder handling
Skin Protection: Wear chemical-resistant gloves, long-sleeve clothing, and suitable footwear
Eye Protection: Wear safety goggles or face shield to prevent dust entry
Engineering Controls: Use local exhaust ventilation when handling bulk quantities, provide eyewash stations and showers
Appearance: White, fine crystalline powder
Odor: Odorless
pH (10g/L in water): 8–10
Melting Point: Decomposes above 400°C
Solubility: Practically insoluble in water, soluble in some organic solvents
Density: 1.2–1.4 g/cm³
Particle Size: D50 range 8–15 µm (may vary by supplier)
Vapor Pressure: Negligible
Flash Point: Not applicable (non-flammable solid)
Chemical Stability: Stable under recommended storage and handling conditions
Conditions to Avoid: Excess heat above decomposition point, moisture ingress, strong mechanical agitation
Incompatible Materials: Strong acids, bases or oxidizing agents, strong reducing chemicals
Decomposition Products: Phosphorous oxides, aluminum oxides, carbon oxides (only under fire or extreme heat)
Hazardous Reactions: Not known to react dangerously in typical environments if kept separate from incompatible substances
Likely Routes of Exposure: Inhalation, skin, and eye contact
Acute Toxicity: Low oral and inhalation toxicity based on animal data and related compounds
Skin Corrosion/Irritation: Mild, short-lived irritation possible
Eye Damage/Irritation: Short-term irritation possible from dust
Respiratory Sensitization: No evidence of asthma or sensitization reported
Chronic Effects: No cancer, reproductive, or genetic effects documented in peer-reviewed literature; long-term effects rare with standard handling
Target Organs: No chronic target organ effects identified
Carcinogenicity: Not classified as carcinogen by IARC, ACGIH, NTP, or OSHA
Ecotoxicity: Not highly toxic to aquatic life under standard conditions, high doses could harm small aquatic organisms due to phosphinate component
Mobility in Soil: Tends to bind to soil particulates, low migration risk
Persistence and Degradability: Degrades slowly in natural environments, stable to hydrolysis in neutral or alkaline soils
Bioaccumulation: No evidence of bioaccumulation in aquatic or terrestrial food chains
Other Adverse Effects: Avoid release into waterways, observe containment and cleanup if spilled outdoors
Waste Treatment Methods: Dispose as non-hazardous solid waste but comply with local, state, and national regulations
Container Disposal: Recycle or recondition drums if possible; otherwise, landfill in approved sites
Disposal Precautions: Avoid exposure to dust during waste handling, minimize environmental release by sealing in containers
Special Instructions: Incineration at approved, licensed facilities for chemical residues, do not dump down drains or normal trash
Regulatory Requirements: Waste code and classification may change by jurisdiction, consult authorities before bulk disposal
UN Number: Not classified as a dangerous good for road, rail, air, or sea transport
Proper Shipping Name: Not regulated
Transport Hazard Class: None assigned
Packing Group: None
Transport Labels Required: None
Environmental Hazards: Not considered marine pollutant, avoid bulk spillage near waterways
Special Transport Precautions: Keep dry during transit, avoid stacking heavy loads on bags or containers
OSHA Status: Not regulated as hazardous
TSCA (USA): Listed
REACH (Europe): Registered and compliant, check current SVHC status
SARA Title III: Not present on any Section 302/313 list
DSL/NDSL (Canada): Listed
EINECS/ELINCS: Listed
Other Requirements: Observe control measures, national chemical inventories, waste management rules, and occupational exposure recommendations
Labeling: No signal word or hazard pictogram needed at GHS/OSHA scope, labeling for precautionary handling wise to maintain
