Product Name: Cresyl Diphenyl Phosphate
Synonyms: CDP, Tris(p-cresyl) diphenyl phosphate
CAS Number: 26444-49-5
Recommended Use: Plasticizer, flame retardant, lubricant additive
Supplier: Manufacturer or distributor contact info typically provided here
Emergency Contact: Company-specific emergency phone number
Classification: Skin irritant, serious eye irritant, suspected reproductive toxin
Label Elements: Signal word – Warning; Hazard statements – Causes skin irritation, causes serious eye irritation, suspected of damaging fertility or the unborn child; Precautionary statements – Wear protective gloves, avoid release to the environment, wash hands thoroughly after handling
Hazard Symbols: Exclamation mark (GHS07), Health hazard (GHS08), Environmental hazard (GHS09)
Routes of Exposure: Inhalation, eye contact, skin contact, ingestion
Pictograms: GHS pictograms for irritant, health hazard, and environment hazard categories
Chemical Name: Cresyl Diphenyl Phosphate
Common Name: CDP
Concentration: ≥98%
Impurities: Tricresyl phosphate, isomers possible
Molecular Formula: C19H17O4P
Molecular Weight: 340.31 g/mol
Inhalation: Move exposed person to fresh air; keep at rest in a position comfortable for breathing; seek medical attention for persistent symptoms
Skin Contact: Remove contaminated clothing; wash affected area with soap and water; get medical advice if irritation develops
Eye Contact: Rinse cautiously with water for at least 15 minutes; remove contact lenses if present and easy to do; continue rinsing; seek medical care if irritation persists
Ingestion: Do not induce vomiting unless instructed by medical personnel; rinse mouth; obtain medical help
Most Important Symptoms: Eye irritation, skin irritation, headache, nausea possible in severe cases
Suitable Extinguishing Media: Dry chemical, carbon dioxide, foam, water spray
Unsuitable Extinguishing Media: Strong water jets (may spread product)
Specific Hazards: May decompose at high temperatures to release toxic fumes such as phosphorous oxides, carbon monoxide, and carbon dioxide
Protective Equipment: Firefighters wear self-contained breathing apparatus and full protective clothing
Advice for Firefighters: Evacuate surrounding area, contain fire runoff to prevent environmental contamination
Personal Precautions: Restrict access to area; wear suitable protective clothing, gloves, and eye protection
Environmental Precautions: Prevent entry into drains, soil, or watercourses
Methods for Containment: Stop leak if possible; use inert absorbent (sand, earth, vermiculite); collect into suitable container for disposal
Cleaning Up: Dispose of saturated materials and cleaning residues in accordance with regulations; ventilate affected area
Safe Handling: Use in well-ventilated area, avoid inhalation of vapors, avoid skin and eye contact, wash hands after use
Incompatible Materials: Strong oxidizers, acids, alkali metals
Storage Conditions: Store in cool, dry, and well-ventilated place away from direct sunlight and incompatible substances
Packaging: Store in tightly closed original container; label containers clearly
Occupational Exposure Limits: No specific OSHA PEL or ACGIH TLV; minimize exposure
Engineering Controls: Use local exhaust ventilation, safety showers, and eye wash stations
Personal Protective Equipment: Gloves made of chemical-resistant material (nitrile, neoprene), safety goggles or face shield, protective clothing, respiratory protection if ventilation inadequate
Hygiene Measures: Avoid eating, drinking, and smoking in working area; wash hands after handling
Appearance: Colorless to pale yellow liquid
Odor: Slight aromatic odor
Odor Threshold: Not available
pH: Not applicable (non-aqueous liquid)
Melting Point: Below -20°C
Boiling Point: Above 200°C
Flash Point: Approximately 230°C (closed cup)
Evaporation Rate: No data
Flammability: Not highly flammable but combustible
Lower and Upper Explosion Limits: No data
Vapor Pressure: Less than 0.01 hPa at 20°C
Vapor Density: Heavier than air
Relative Density: 1.18 – 1.21 (water = 1)
Solubility: Insoluble in water; soluble in organic solvents
Partition Coefficient (Log Kow): Approx. 4.8 – 5.2
Auto-ignition Temperature: Above 400°C
Decomposition Temperature: No data
Viscosity: Moderate viscosity at room temperature
Chemical Stability: Stable under recommended storage conditions
Reactivity: Not reactive under normal conditions
Conditions to Avoid: High temperatures, open flames, and direct sunlight
Hazardous Reactions: Contact with strong oxidizers increases risk of fire and hazardous decomposition
Decomposition Products: Phosphorous oxides, aromatic hydrocarbons, carbon monoxide, and carbon dioxide on burning
Acute Toxicity: Low oral and dermal toxicity in laboratory testing; LD50 (oral, rat) estimated above 2000 mg/kg
Skin Corrosion/Irritation: Causes moderate to severe skin irritation on prolonged contact
Eye Damage/Irritation: Causes eye irritation and possible temporary damage
Respiratory Sensitization: No evidence of respiratory sensitization in most studies
Carcinogenicity: Not classified as a known carcinogen by IARC, NTP, or OSHA
Reproductive Toxicity: Suspected of impairing fertility or fetus development based on animal studies
Other Effects: Headache, dizziness, nausea sometimes reported in cases of massive exposure
Toxicity to Aquatic Life: Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Persistence and Degradability: Not readily biodegradable; persistent in water and soil
Bioaccumulation Potential: High potential for bioaccumulation based on log Kow values
Mobility in Soil: Strongly adsorbs to soils, low mobility predicted
Other Adverse Effects: Contaminates waterways and has long residence time in sediments
Waste Treatment Methods: Incinerate in licensed facility following local, regional, and national guidelines; do not dump into sewers, ground, or surface water
Container Disposal: Rinse thoroughly and dispose of in accordance with hazardous waste regulations
Special Precautions: Avoid releases to the environment and notify authorities in case of large spills
UN Number: UN 3082
Proper Shipping Name: Environmentally Hazardous Substance, Liquid, N.O.S. (contains Cresyl Diphenyl Phosphate)
Transport Hazard Class: 9 (Miscellaneous dangerous substances)
Packing Group: III
Environmental Hazards: Marine pollutant
Special Precautions: Mark as marine pollutant on transport documents; avoid transport with incompatible materials
EU Regulations: Listed on EINECS/ELINCS; classified hazardous under EU CLP Regulation
US Regulations: Listed on TSCA Inventory; subject to SARA Title III reporting due to environmental impact
Canada: Listed on DSL; WHMIS hazard classification applies
Labelling Requirements: Hazard and precautionary statements required under GHS, OSHA HCS; workplace labelling for containers mandatory
Other Regulatory Status: Local and regional regulations for storage, use, and disposal apply; consult relevant authorities for details
