Product Name: Tricresyl Phosphate
Chemical Formula: C21H21O4P
CAS Number: 1330-78-5
Synonyms: TCP, Cresyl phosphate, Tri(o-cresyl) phosphate, Tri(m-cresyl) phosphate, Tri(p-cresyl) phosphate
Recommended Uses: Plasticizer in PVC, flame retardant, hydraulic fluids, lubricants, surface coatings, adhesives
Manufacturer: Contact information of the manufacturer or supplier, including address and emergency phone numbers
Hazard Classification: Acute toxicity (oral, dermal, inhalation), irritant, possible neurotoxicant
Signal Word: Danger
Hazard Pictograms: Skull and crossbones, exclamation mark
Hazard Statements: Toxic if swallowed, can cause nervous system damage, may cause irritation to eyes and skin, possible reproductive hazard
Routes of Exposure: Inhalation, ingestion, skin absorption
Long-term Effects: Repeated or extensive exposure may result in neurological damage
Chemical Name: Tricresyl Phosphate
Concentration: >99% (technical grade)
Impurities: May contain trace amounts of other cresyl phosphates
Ingredient Classification: Organophosphate compound
Inhalation: Move person to fresh air and keep at rest, seek medical attention if symptoms of poisoning appear
Ingestion: Rinse mouth, do not induce vomiting, immediately call poison control or seek emergency medical attention
Skin Contact: Remove contaminated clothing, wash skin thoroughly with soap and water, seek medical help if irritation persists
Eye Contact: Rinse cautiously with water for at least 15 minutes, remove contact lenses if possible, get medical attention
Most Important Symptoms: Nausea, dizziness, muscle weakness, breathing difficulties, possible delayed onset of symptoms
Suitable Extinguishing Media: Carbon dioxide, foam, dry chemical powder, water spray
Unsuitable Media: Direct water jet may spread material
Specific Hazards: May release toxic fumes including phosphorus oxides and carbon monoxide during combustion
Protective Equipment: Firefighters need fully protective gear and self-contained breathing apparatus
Special Precautions: Avoid inhalation of combustion gases, keep containers cool with water spray if exposed to heat
Personal Precautions: Use protective gloves, safety goggles, chemical-resistant clothing, restrict access to affected area
Evacuation Procedures: Remove non-essential personnel, ensure adequate ventilation
Environmental Precautions: Prevent entry into sewers, drains, or waterways, contain spill with absorbent material such as sand or earth
Clean-up Methods: Collect spilled material in suitable containers for disposal, use tools that prevent sparks, clean area thoroughly
Disposal Guidance: Dispose contaminated absorbent and cleanup materials as hazardous waste
Handling: Avoid inhalation of vapors, contact with skin and eyes, work with proper local exhaust ventilation, use appropriate PPE
Storage Conditions: Store in tightly closed containers in a cool, dry, well-ventilated place, away from strong oxidizers and heat sources
Incompatibilities: Strong acids, strong bases, oxidizing agents
Safe Transfer: Use anti-static equipment, ground/bond containers during transfer
Hygiene Measures: Wash hands thoroughly after handling, do not eat, drink, or smoke near this material
Occupational Exposure Limits: No established OSHA or ACGIH limits, minimize exposure as much as practical
Engineering Controls: Local exhaust ventilation, safety showers, eyewash stations
Personal Protective Equipment (PPE): Chemical-resistant gloves (nitrile or neoprene), protective clothing, safety goggles or face shield, NIOSH-approved respirator if exposure limits may be exceeded
Environmental Controls: Prevent evaporation and leakage, monitor for indicative air contamination
Hygiene Practices: Avoid contact with skin and eyes, wash PPE after use, keep work and storage areas clean
Appearance: Clear, colorless to pale yellow, oily liquid
Odor: Faint aromatic odor
Boiling Point: 410°C (770°F)
Melting Point: -30°C (-22°F)
Flash Point: >225°C (437°F)
Autoignition Temperature: Not available
Solubility in Water: Slightly soluble
Vapor Pressure: 0.01 mmHg at 20°C
Density: 1.16 g/cm³ at 20°C
Viscosity: High (varies with temperature)
Partition Coefficient (log Kow): 5.1
Chemical Stability: Stable under normal storage and handling conditions
Hazardous Reactions: Avoid strong oxidizing agents, acids, and bases; may hydrolyze in presence of moisture
Decomposition Products: Releases toxic fumes such as phosphorus oxides, carbon monoxide, cresols upon decomposition
Conditions to Avoid: Extreme heat, open flames, sources of ignition, prolonged exposure to sunlight
Polymerization: Not expected to occur
Acute Toxicity: Oral LD50 (rat): 3,000–5,000 mg/kg; Inhalation LC50: not determined
Chronic Toxicity: Prolonged exposure may cause nerve damage, symptoms may take weeks to appear
Skin Irritation: Can cause moderate skin irritation
Eye Irritation: Causes eye irritation
Sensitization: Not a known sensitizer
Mutagenicity: Not classified as mutagenic based on available data
Carcinogenicity: Not listed by IARC, NTP, OSHA as a carcinogen
Reproductive Toxicity: Some evidence of adverse effects on fertility and development from high exposures
Ecotoxicity: Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Persistence and Degradability: Persistent in the environment, slow to biodegrade
Bioaccumulative Potential: High bioaccumulation potential (log Kow >5)
Mobility in Soil: Low solubility and high adsorption to soil particles
Other Adverse Effects: May accumulate in organisms, potential for food chain transfer
Waste Disposal Methods: Treat as hazardous waste, use licensed chemical waste contractor
Container Disposal: Rinse empty containers and send for recycling or dispose according to national and local regulations
Contaminated Packaging: Handle as hazardous waste
Special Precautions: Do not pour in drains, sewers, or environment
Local Recommendations: Consult environmental authorities or chemical waste experts for approved disposal options
UN Number: 2574
DOT Proper Shipping Name: Tricresyl Phosphate
Class: 6.1 – Toxic substance
Packing Group: III
Hazard Labels: Toxic (skull and crossbones), Environmental hazard
Special Precautions: Ensure containers are closed and secure during transit, avoid cargo that may be reactive
Environmental Hazards: Marine pollutant
OSHA: Listed as toxic under Hazard Communication Standard
TSCA: Listed on the Toxic Substances Control Act inventory
REACH: Registered substance, restrictions on use in some applications
SARA Title III: Subject to reporting requirements for toxic chemicals
California Proposition 65: Not listed
Other National and International Regulations: Restrictions may apply to use, handling, and disposal; users must comply with local regulations