Trichloro(pentyl)silane

Trichloro(pentyl)silane is an organosilicon compound with the chemical formula C5H11Cl3Si and CAS number 107-72-2. This substance consists of a pentyl group (five-carbon chain) bonded to a silicon atom that also carries three chlorine atoms. With a molecular weight of 205.6 g/mol, it belongs to the family of chlorosilanes, which are important intermediates in silicon chemistry and materials science applications.

Trichloro(pentyl)silane is typically a colorless to pale yellow liquid at room temperature with a characteristic pungent odor. As a chlorosilane compound, it is moisture-sensitive and reacts readily with water, releasing hydrogen chloride gas. The substance has moderate volatility and is soluble in organic solvents but hydrolyzes in the presence of water or humid air, making proper handling conditions essential.

Trichloro(pentyl)silane serves primarily as a coupling agent and surface modifier in various industrial applications. It is used in the production of silicone polymers, surface treatments for glass and metal substrates, and as an intermediate in the synthesis of specialized organosilicon compounds. The substance also finds application in adhesion promotion, hydrophobic coatings, and as a crosslinking agent in polymer chemistry.

Trichloro(pentyl)silane requires careful handling using appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and respiratory protection. Work should be conducted in well-ventilated areas or under fume hoods to avoid inhalation of vapors. Avoid contact with moisture, water, and incompatible materials. Use non-sparking tools and ensure proper grounding to prevent static electricity buildup during transfer operations.

Trichloro(pentyl)silane must be stored in tightly sealed containers in a cool, dry, well-ventilated area away from moisture and water sources. The storage area should be protected from direct sunlight and heat sources. Keep away from incompatible materials such as alcohols, amines, and strong bases. Use corrosion-resistant containers and ensure proper labeling according to local regulations for chemical storage.

Immediate action is required in case of contact with trichloro(pentyl)silane. For skin contact, remove contaminated clothing and wash affected area thoroughly with soap and water. In case of eye contact, flush immediately with plenty of water for at least 15 minutes. If inhaled, move to fresh air immediately. Seek medical attention for all exposure incidents and provide safety data sheet information to medical personnel.

Trichloro(pentyl)silane disposal must comply with local, national, and international waste regulations. The substance should not be released into the environment and requires treatment at authorized hazardous waste facilities. Small quantities may be carefully hydrolyzed under controlled conditions to neutralize the chlorosilane functionality, but this should only be performed by trained personnel with appropriate safety measures and proper waste treatment of resulting materials.

Trichloro(pentyl)silane is classified as ADR Class 8 (corrosive substances), Packing Group II for transportation purposes. It requires proper packaging in approved containers with appropriate hazard labels and documentation. Transport must comply with dangerous goods regulations including proper vehicle marking, driver certification, and emergency response information. Ensure containers are tightly sealed and protected from moisture during transit.

Trichloro(pentyl)silane is subject to standard chemical regulations including REACH registration requirements in Europe and CLP classification for hazard communication. It is not currently listed as a Substance of Very High Concern (SVHC) under REACH. Users must comply with workplace safety regulations, transportation requirements for corrosive substances, and environmental protection measures. Safety data sheets must be provided according to regulatory requirements.

Trichloro(pentyl)silane is available through OYSI, a trusted European distributor of specialty chemicals serving the industrial market. OYSI provides reliable supply chains across Europe with proper documentation, safety data sheets, and regulatory compliance support. As a professional chemical distributor, OYSI ensures quality products and technical support for customers requiring organosilicon compounds for various industrial applications.