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Product Name: Phosphorus Pentasulfide
Chemical Formula: P2S5
CAS Number: 1314-80-3
Molecular Weight: 222.3 g/mol
Recommended Use: Lubricant additive manufacturing, pesticide intermediate, rubber vulcanization agent
Manufacturer Contact: Emergency phone numbers, address, and additional supplier information included on label
Synonyms: Phosphorus(V) sulfide, tetraphosphorus decasulfide
Classification: Flammable solid, toxic if inhaled, harmful if swallowed, harmful to aquatic life
GHS Label Elements: Skull and crossbones, exclamation mark, flame, aquatic environment
Signal Word: Danger
Hazard Statements: May ignite easily; forms toxic gases on contact with moisture; ingestion causes nausea, abdominal pain, and vomiting; causes eye and skin burns; produces sulfur dioxide and oxides of phosphorus in fire
Precautionary Statements: Wear protective gear; avoid contact with water and incompatible materials; ensure good ventilation; keep away from sources of ignition
Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Symptoms of Exposure: Headache, dizziness, respiratory distress, severe irritation, burns
Chemical Name: Phosphorus Pentasulfide
CAS Number: 1314-80-3
Concentration: 99% or higher
Impurities: May include trace quantities of phosphorus oxides and lower sulfides
Inhalation: Move person to fresh air, keep at rest in position comfortable for breathing, seek immediate medical attention
Skin Contact: Remove contaminated clothing, rinse skin immediately with plenty of water and soap for at least 15 minutes, call a doctor
Eye Contact: Rinse carefully with water for at least 15 minutes, hold eyelids apart, remove contact lenses if possible, obtain medical attention promptly
Ingestion: Rinse mouth with water, never give anything by mouth to an unconscious person, do not induce vomiting, seek urgent medical help
Special Advice for Physicians: Treat symptomatically, monitor for respiratory complications, consider delayed pulmonary edema risk
Suitable Extinguishing Media: Dry sand, Class D dry powder extinguishers, do not use water or foam
Specific Hazards: Generates highly toxic and corrosive gases including hydrogen sulfide and sulfur oxides when burning
Firefighter Precautions: Use self-contained breathing apparatus, full protective suit; keep upwind, evacuate area if required
Explosion Hazard: May form explosive mixtures with air, reacts violently with water
Decomposition Products: Sulfur dioxide, phosphorus oxides, hydrogen sulfide
Personal Precautions: Evacuate area, ventilate space, restrict entry, use proper PPE including gloves, goggles, and respirator
Environmental Precautions: Prevent entry into waterways, sewers, basements or confined areas; notify authorities for large spills
Containment and Clean-up: Collect residue using dry, non-sparking tools, store in closed, dry containers for disposal; never use water for clean-up
Safe Handling: Avoid formation of dust, keep container tightly closed, work under inert atmosphere if possible, handle away from moisture sources
Conditions for Storage: Store in dry, cool, well-ventilated location; keep away from acids, oxidizers, and water; use corrosion-resistant containers; segregate from food and incompatible substances
Incompatible Materials: Moisture, water, acids, strong oxidizers, halogens, bases
Occupational Exposure Limits: No established OSHA or ACGIH limits for Phosphorus Pentasulfide, but avoid exposure to dust
Engineering Controls: Use local exhaust or process enclosure, equip with eyewash stations and emergency showers
Personal Protection: Protective gloves, chemical splash goggles, flame-resistant clothing, approved respirators for dusty environments
Hygiene Measures: Wash hands thoroughly after handling, remove contaminated clothing and wash before reuse, do not eat or drink around material
Appearance: Yellow-green crystalline solid
Odor: Strong, offensive, reminiscent of rotten eggs
Melting Point: 288°C (550°F)
Boiling Point: Decomposes before boiling
Density: About 2.09 g/cm³
Solubility: Reacts with water, insoluble in most solvents
Vapor Pressure: Negligible at ambient temperature
Flash Point: 172°C (closed cup)
Auto-ignition Temperature: 300°C
Explosive Properties: Dust may develop explosive mixtures with air
Chemical Stability: Stable in unopened, dry containers under normal conditions
Reactive Hazards: Reacts exothermically with water, acids, oxidizers, and bases
Conditions to Avoid: Moisture, humidity, high temperatures, open flame
Hazardous Decomposition: Phosphoric acid, sulfur dioxide, hydrogen sulfide upon burning or contact with water
Polymerization: Does not occur under normal handling
Acute Toxicity: LD50 oral (rat): 640 mg/kg; inhalation: can cause serious respiratory irritation, chemical burns
Skin and Eye: Causes severe chemical burns, eye damage
Chronic Effects: Prolonged exposure may lead to dermatitis, respiratory system sensitization
Routes of Entry: Inhalation, skin, eyes, ingestion
Target Organs: Lungs, skin, eyes, gastrointestinal tract
Symptoms: Coughing, difficulty breathing, nausea, skin ulcers, corneal injury
Carcinogenicity: Not identified as a carcinogen by IARC, NTP, or OSHA
Mutagenicity / Reproductive Toxicity: Not established
Toxicity to Aquatic Life: Harmful, can cause long-term adverse effects in aquatic environments
Persistence and Degradability: Reacts with water to form toxic byproducts, not readily biodegradable
Mobility: Low, but decomposition products may migrate into soil and water
Bioaccumulation: Not expected to accumulate in organisms
Other Adverse Effects: Release may cause significant local environmental impact; avoid contamination of surface or groundwater
Waste Treatment Methods: Dispose of via licensed hazardous waste contractor; keep dry; do not pour into drains, soil, or water bodies
Contaminated Packaging: Treat as hazardous waste, decontaminate containers before recycling or disposal
Relevant Regulations: Follow all federal, state, and local regulations for hazardous waste disposal; notify authorities regarding unintentional releases
UN Number: 1341
UN Proper Shipping Name: Phosphorus pentasulphide
Transport Hazard Class(es): 4.1 (Flammable solids)
Packing Group: I (Great danger)
Marine Pollutant: Yes
Special Transport Precautions: Keep drums upright, dry, away from sources of moisture or ignition, ensure sealed packaging
Transport Labeling: Proper hazard symbols, emergency contact information, and handling instructions required
U.S. Regulations: Listed on TSCA inventory, subject to SARA Title III reporting, OSHA hazardous chemical
Labeling Requirements: Complies with OSHA HCS, GHS labeling for flammable and toxic solids
International Regulations: Compliant with EU REACH registration, covered under European ADR for road transport
Inventory Listings: Australia (AICS), Canada (DSL), EU (EINECS), Japan (ENCS), Korea, Philippines, China (IECSC)
Specific Provisions: Requires risk and safety phrases, emergency response plans, proper labeling in all regions of use
