Cresyl Diphenyl Phosphate (CDP) is an organophosphorus compound commonly used as a flame retardant and plasticizer. The following is detailed information about CDP:
Basic Information:
- Chemical formula: C₁₉H₁₇O₄P
- Molecular weight: 340.31 g/mol
- CAS number: 26444-49-5
Physical properties:
- Appearance: Colorless or light yellow liquid
- Density: Approximately 1.20 g/cm³
- Boiling point: Approximately 240°C (464°F) at 5 mmHg
- Flash point: Approximately 220°C (428°F)
Chemical properties:
- Solubility: Soluble in most organic solvents such as alcohols, ethers and ketones, insoluble in water.
- Stability: Stable at room temperature, but may decompose at high temperatures or under strong acid/base conditions
Application:
- Flame retardants: used in plastics, rubber and textiles to improve the flame retardancy of materials.
- Plasticizers: used in PVC and other polymers to improve the flexibility and processing properties of materials.
- Lubricants: used as lubricants in certain industrial applications.
Safety and Environmental Protection:
- Toxicity: Low toxicity, but long-term contact may be irritating to the skin and eyes.
- Environmental impact: Not easily biodegradable, may accumulate in water and soil, and needs to be properly handled.
Storage and transportation:
- Storage: Store in a cool, dry, well-ventilated place, away from fire and oxidants.
- Transportation: Transport as general chemicals, avoid severe vibration and high temperature.
Regulations:
- International regulations: It is necessary to comply with the regulations of various countries on the use and discharge of chemicals, such as REACH, RoHS, etc.
Toluene diphenyl phosphate plays an important role in industrial and commercial applications, but its use should pay attention to safety and environmental issues.