Product Name: Isodecyl Diphenyl Phosphate
Chemical Synonyms: IDDP, Phosphoric acid isodecyl diphenyl ester
Chemical Formula: C24H35O4P
CAS Number: 29761-21-5
Recommended Use: Plasticizer, flame retardant in polymers and coatings
Manufacturer: [Manufacturer information].
Emergency Contact: [Emergency contact number].
Address: [Company address].
GHS Classification: Not classified as hazardous according to GHS criteria
Signal Word: None
Pictograms: None
Health Hazards: Eye irritant, may cause skin and respiratory irritation with prolonged or repeated exposure
Physical Hazards: May form hazardous decomposition products at elevated temperatures
Environmental Hazards: Harmful to aquatic life with long-lasting effects
Precautionary Statements: Avoid contact with eyes, skin, and clothing. Avoid release to the environment.
Chemical Identity: Isodecyl Diphenyl Phosphate
Main Ingredient: Isodecyl Diphenyl Phosphate, >96% by weight
Impurities: Triphenyl phosphate (<1%), Isodecyl alcohol (<2%)
Other Ingredients: No other components considered hazardous
Inhalation: Move exposed person to fresh air. Seek medical advice if irritation persists.
Skin Contact: Remove contaminated clothing. Wash skin thoroughly with soap and water. Medical attention if irritation develops.
Eye Contact: Rinse immediately with plenty of water for at least 15 minutes, holding eyelids open. Get medical attention if irritation occurs.
Ingestion: Do not induce vomiting. Rinse mouth with water. Seek immediate medical evaluation.
General Advice: Show this safety data sheet to the doctor in attendance. Keep out of reach of children.
Suitable Extinguishing Media: Carbon dioxide, dry chemical powder, foam, water spray
Unsuitable Extinguishing Media: Direct stream of water may spread fire
Specific Hazards: Burning produces toxic fumes including phosphorus oxides, carbon monoxide, carbon dioxide
Protective Equipment: Firefighters should wear self-contained breathing apparatus and full protective gear
Special Procedures: Cool exposed containers with water. Move containers away from fire area if safe.
Personal Precautions: Keep unnecessary personnel away. Use personal protective equipment as required.
Environmental Precautions: Prevent spillage from entering drains, surface water or soil. Advise authorities if product enters watercourses.
Containment Methods: Absorb with inert material (sand, earth), collect in suitable containers for disposal.
Cleanup Procedures: Ventilate area. Clean contaminated surfaces thoroughly. Dispose according to local regulations.
Safe Handling: Use only in well-ventilated areas. Avoid contact with eyes, skin, and clothing. Wash hands after handling.
Storage Conditions: Store in tightly closed containers. Keep in a cool, dry, well-ventilated place. Keep away from strong acids, bases, and oxidizers.
Incompatible Materials: Strong oxidizing agents, strong acids and bases
Storage Temperature: Recommended range 5–30°C.
Occupational Exposure Limits: No established exposure limits for this substance
Engineering Controls: Use local exhaust ventilation to reduce vapor concentrations
Personal Protective Equipment: Chemical-resistant gloves (nitrile, PVC), splash goggles, protective clothing. In case of insufficient ventilation, wear suitable respiratory protection.
Hygiene Measures: Wash hands and face before eating, drinking, or using the restroom. Remove contaminated clothing.
Form: Liquid
Color: Clear to pale yellow
Odor: Mild aromatic
pH: Not applicable
Melting Point / Freezing Point: <-35°C
Boiling Point / Range: >310°C (decomposes)
Flash Point: 223°C (closed cup)
Evaporation Rate: Not determined
Flammability: Not flammable under normal conditions
Vapor Pressure: <0.01 mmHg at 20°C
Density: 1.08–1.10 g/cm³ at 25°C
Solubility: Insoluble in water, soluble in organic solvents
Viscosity: 150 cSt at 25°C
Partition Coefficient (n-octanol/water): log Kow >5
Decomposition Temperature: >310°C
Chemical Stability: Stable under recommended storage conditions
Possibility of Hazardous Reactions: May react with strong oxidizers
Conditions to Avoid: Excessive heat, sparks, flames
Incompatible Materials: Strong acidic and basic substances, oxidizing agents
Hazardous Decomposition Products: Phosphorus oxides, carbon dioxide, carbon monoxide, hydrocarbons
Acute Toxicity: Oral LD50 (rat) >5000 mg/kg; Dermal LD50 (rabbit) >2000 mg/kg
Skin Irritation: Mild irritant to skin
Eye Irritation: Mild irritant to eyes
Respiratory Sensitization: Data not available
Skin Sensitization: Not expected based on available data
Chronic Toxicity: No carcinogenicity, mutagenicity or reproductive toxicity noted from current studies
Other Effects: Prolonged or repeated exposure may cause mild irritation to respiratory tract
Toxicity to Fish: LC50 (96h, fish) >1 mg/L (harmful to aquatic organisms)
Toxicity to Daphnia and Other Aquatic Invertebrates: EC50 (48h) >1 mg/L
Toxicity to Algae: EC50 (72h) >1 mg/L
Persistence and Degradability: Not readily biodegradable
Bioaccumulation Potential: High (log Kow >5 indicates potential to bioaccumulate)
Mobility in Soil: Low water solubility, likely to adsorb to soil and sediment
Other Adverse Effects: May cause long-term adverse effects in the aquatic environment
Waste Treatment Methods: Dispose of in accordance with local, regional, and national regulations
Recommended Disposal: Incinerate under controlled conditions or send to approved chemical waste facility
Contaminated Packaging: Empty containers retain product residues; follow proper disposal
Special Precautions: Do not allow to enter drains or watercourses. Observe all local environmental regulations for waste disposal.
UN Number: Not regulated as dangerous goods
Proper Shipping Name: Isodecyl Diphenyl Phosphate
Transport Hazard Class: Not classified
Packing Group: Not applicable
Environmental Hazards: Not classified as a Marine Pollutant
Special Transport Precautions: Avoid temperature extremes during transport. Keep container tightly closed and upright.
US TSCA Status: Listed
EU EINECS/ELINCS Number: Listed
REACH Registration: Registered substance
OSHA Hazard Communication: Not hazardous
SARA Sections 311/312: No hazards identified
California Proposition 65: Not listed
Canadian DSL: Listed
Other Regulations: Follow regional and local requirements for storage, handling, and disposal
