Tris(1-chloro-2-propyl) phosphate (TCPP)

Tris(1-chloro-2-propyl) phosphate (TCPP) is a flame retardant commonly used in various materials to reduce flammability. The chemical's CAS Number is 13674-84-5. Below is a detailed profile:

Chemical and Physical Properties

• Chemical Name: Tris(1-chloro-2-propyl) phosphate
• CAS Number: 13674-84-5
• Molecular Formula: C9H18Cl3O4P
• Molecular Weight: Approximately 327.57 g/mol
• Appearance: Typically a colorless or light yellow liquid with a faint odor
• Solubility: Limited water solubility, but soluble in organic solvents
• Density: ~1.28 g/cm³ (at 20°C)

Applications and Uses

TCPP is primarily used as a flame retardant in various industrial applications:

• Polyurethane Foams: Commonly added to rigid polyurethane foam, widely used in building insulation.
• Thermoplastics and Thermosets: Used in certain plastics to enhance fire resistance.
• Textiles and Coatings: Found in certain textiles and coatings to reduce flammability, especially for automotive interiors, furniture, and mattresses.
• Other Uses: Sometimes used in adhesives and sealants to improve flame retardant properties.

Advantages

• Efficiency: Offers effective flame retardant properties at a relatively low additive percentage.
• Versatile Application: Used in a wide range of materials and industries.
• Thermal Stability: Maintains performance at high temperatures, making it suitable for construction and insulation materials.

Health and Safety Information

• Toxicity: TCPP is considered a low acute toxicity chemical, but it may be harmful if inhaled, ingested, or comes into direct skin contact over prolonged periods.
• Health Concerns: Potential concerns include skin and respiratory irritation, and it is under evaluation for long-term health impacts. TCPP has raised environmental and health concerns as it may be a potential carcinogen and endocrine disruptor.
• Environmental Impact: Persistent in the environment and can bioaccumulate, potentially affecting aquatic and wildlife organisms.

Handling and Storage

• Storage: Should be stored in a cool, dry, well-ventilated area away from heat or ignition sources.
• Personal Protective Equipment (PPE): Protective gloves, goggles, and clothing are recommended. Respiratory protection may be required in poorly ventilated areas or where vapors are concentrated.
• Regulatory Status: TCPP is subject to regulation in various countries due to environmental and health concerns, and use is restricted or monitored in some applications.

Disposal Considerations

• TCPP waste should be disposed of in accordance with local environmental regulations, often requiring specialized disposal methods due to potential environmental risks.