Tris(2-chloroethyl) phosphate

Tris(2-chloroethyl) phosphate is an organophosphorus compound with the molecular formula C6H12Cl3O4P and CAS number 115-96-8. This chemical substance has a molecular weight of 285.5 g/mol and belongs to the family of chlorinated phosphate esters. It is classified as a hazardous substance with carcinogenic and reproductive toxicity properties, requiring careful handling in industrial applications. The compound is regulated under various chemical safety regulations due to its potential health and environmental impacts.

Tris(2-chloroethyl) phosphate is typically a colorless to pale yellow liquid at room temperature with low volatility. The compound has good thermal stability and flame-retardant properties due to its phosphorus and chlorine content. It exhibits moderate solubility in water and good miscibility with organic solvents. The substance has a relatively high boiling point and low vapor pressure, making it suitable for applications requiring thermal stability and reduced evaporation rates.

Tris(2-chloroethyl) phosphate is primarily used as a flame retardant additive in various polymer applications, including polyurethane foams, plastics, and textile treatments. The compound serves as a plasticizer in certain polymer formulations, improving flexibility and processing characteristics. It finds applications in the production of flame-retardant coatings and adhesives. Due to its regulatory restrictions and health concerns, its use has been limited and replaced by safer alternatives in many applications, particularly in consumer products.

Tris(2-chloroethyl) phosphate must be handled with appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing due to its carcinogenic and reproductive toxicity properties. Work should be conducted in well-ventilated areas or under fume hoods to minimize inhalation exposure. Avoid skin and eye contact, and prevent ingestion. Use proper handling techniques to prevent spills and contamination. Regular health monitoring may be required for workers with occupational exposure to this substance.

Tris(2-chloroethyl) phosphate should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources, ignition sources, and incompatible materials. The storage area should be equipped with appropriate containment measures to prevent environmental release. Keep containers upright and properly labeled with hazard information. Storage should comply with local regulations for carcinogenic substances, including restricted access and appropriate warning signs. Avoid storage near oxidizing agents and strong bases.

In case of skin contact with tris(2-chloroethyl) phosphate, immediately remove contaminated clothing and wash the affected area thoroughly with soap and water for at least 15 minutes. For eye contact, flush immediately with clean water for 15 minutes and seek medical attention. If inhaled, move the person to fresh air and seek medical advice. In case of ingestion, do not induce vomiting and seek immediate medical attention. Always consult a physician and provide the safety data sheet for proper medical treatment.

Tris(2-chloroethyl) phosphate must be disposed of as hazardous waste through licensed waste management facilities specialized in handling carcinogenic substances. The disposal method should comply with local, national, and EU waste regulations. Incineration at high temperatures in approved facilities is typically the preferred disposal method. Never dispose of this substance through regular waste streams, sewage systems, or by burial. Consult local environmental authorities and waste management companies for specific disposal requirements and procedures.

Tris(2-chloroethyl) phosphate is classified as ADR Class 9 (Miscellaneous dangerous goods), Packing Group III for transportation purposes. The substance must be packaged in UN-approved containers with proper labeling and documentation. Transport should comply with ADR regulations for dangerous goods, including appropriate placarding and emergency information. Drivers and handlers should be trained in dangerous goods transportation. Emergency response procedures and contact information must be available during transport. Specialized carriers experienced in chemical transportation are recommended.

Tris(2-chloroethyl) phosphate is subject to extensive regulations under EU REACH and CLP regulations due to its carcinogenic and reproductive toxicity properties. The substance requires registration and may be subject to authorization or restriction procedures. It must be classified and labeled according to CLP with appropriate hazard pictograms (GHS07, GHS08, GHS09) and the signal word 'Danger'. Occupational exposure limits and workplace safety measures are regulated under various national and EU occupational health directives.

Tris(2-chloroethyl) phosphate is available through OYSI, a European distributor of technical chemicals specializing in industrial-grade chemical products. OYSI provides this regulated substance to qualified industrial customers with proper documentation and safety data sheets. Due to the hazardous nature and regulatory requirements of this compound, purchases are typically restricted to professional users with appropriate handling capabilities and regulatory compliance. Contact OYSI directly for availability, specifications, and regulatory documentation required for procurement.