Tris(2,4-dimethylphenyl) phosphate

Tris(2,4-dimethylphenyl) phosphate is an organophosphate compound with the molecular formula C24H27O4P and CAS number 25155-23-1. This chemical has a molecular weight of 410.4 g/mol and belongs to the family of phosphate esters. It is classified as a reproductive toxicant category 1B under CLP regulation, indicating serious concerns for human fertility or development. The compound requires careful handling due to its hazardous properties and is subject to strict regulatory controls.

Tris(2,4-dimethylphenyl) phosphate is typically a viscous liquid or solid at room temperature, depending on purity and conditions. As an organophosphate ester, it generally exhibits low water solubility but good solubility in organic solvents such as alcohols, ketones, and aromatic hydrocarbons. The compound has a relatively high molecular weight of 410.4 g/mol, which contributes to its low volatility. Its phosphate ester structure provides thermal stability under normal conditions.

Tris(2,4-dimethylphenyl) phosphate is primarily used as a flame retardant in various industrial applications, particularly in plastics, textiles, and foam materials. It serves as a plasticizer in polymer formulations, improving flexibility and processability. The compound may also find applications in hydraulic fluids and as an intermediate in chemical synthesis. Its flame-retardant properties make it valuable in materials requiring fire resistance, though its reproductive toxicity classification limits its use in consumer applications.

Tris(2,4-dimethylphenyl) phosphate must be handled with extreme caution due to its reproductive toxicity classification (Repr. 1B). Essential personal protective equipment includes chemical-resistant gloves, safety goggles, and protective clothing. Work should be conducted in well-ventilated areas or under fume extraction systems. Avoid skin contact, inhalation, and ingestion. Pregnant women should not handle this substance. Regular health monitoring may be required for workers with potential exposure. Emergency shower and eyewash facilities should be readily accessible.

Tris(2,4-dimethylphenyl) phosphate should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and direct sunlight. Storage areas must be secured and accessible only to trained personnel due to its reproductive toxicity. Keep away from strong acids, bases, and oxidizing agents to prevent decomposition. Containers should be properly labeled with hazard warnings and stored on appropriate containment systems to prevent spills. Regular inspection of storage conditions and container integrity is essential.

In case of skin contact with tris(2,4-dimethylphenyl) phosphate, immediately remove contaminated clothing and wash the affected area thoroughly with soap and water for at least 15 minutes. For eye contact, rinse immediately with clean water for at least 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.

Tris(2,4-dimethylphenyl) phosphate must be disposed of as hazardous waste through licensed waste management companies in accordance with local and European regulations. The substance cannot be disposed of in regular waste streams due to its reproductive toxicity classification. Incineration at appropriate high-temperature facilities under controlled conditions is typically the preferred disposal method. Empty containers should also be treated as hazardous waste. Consult local environmental authorities for specific disposal requirements and authorized waste handlers in your region.

Tris(2,4-dimethylphenyl) phosphate is classified as ADR Class 9 (Miscellaneous dangerous substances), Packing Group III for transportation purposes. It requires proper packaging in UN-approved containers with appropriate hazard labels and documentation. Transport vehicles must carry emergency equipment and trained personnel. The substance must be segregated from incompatible materials during transport. Proper shipping documentation, including transport emergency cards, must accompany shipments. Only authorized carriers experienced in handling hazardous materials should transport this substance.

Tris(2,4-dimethylphenyl) phosphate is subject to strict European regulations under REACH and CLP frameworks due to its reproductive toxicity classification (Repr. 1B). It requires safety data sheets and hazard labeling with GHS08 pictogram and 'Danger' signal word. The substance may be subject to authorization requirements under REACH Annex XIV and restrictions on use in consumer products. Industrial users must implement risk management measures and may need to notify authorities of its use. Regular safety assessments and worker health monitoring may be mandatory.

Tris(2,4-dimethylphenyl) phosphate is available through OYSI, a specialized European distributor of technical chemicals with expertise in hazardous substances. As a reproductive toxicant, this substance is restricted to professional industrial users only and requires proper documentation and compliance verification. OYSI provides comprehensive technical support, safety data sheets, and regulatory guidance to ensure compliant procurement and use. Contact OYSI's technical team for availability, specifications, and regulatory requirements specific to your application and location.