Trichloro(methyl)silane

Trichloro(methyl)silane is an organosilicon compound with the chemical formula CH3Cl3Si and CAS number 75-79-6. This colorless liquid has a molecular weight of 149.47 g/mol and belongs to the chlorosilane family. It is classified as a flammable liquid with irritating properties to skin and eyes, and can cause specific target organ toxicity. The compound is widely used in chemical synthesis and surface modification applications due to its reactive silane functionality.

Trichloro(methyl)silane is a colorless liquid at room temperature with a pungent, acrid odor characteristic of chlorosilanes. It has a molecular weight of 149.47 g/mol and reacts vigorously with water, releasing hydrogen chloride gas. The compound is soluble in organic solvents but hydrolyzes rapidly in moisture. It exhibits flammable properties (Flam. Liq. 2) and can cause skin and eye irritation upon contact.

Trichloro(methyl)silane serves as a key intermediate in silicone polymer production and surface modification applications. It is commonly used as a coupling agent to improve adhesion between organic and inorganic materials, particularly in glass fiber treatment and composite manufacturing. The compound also finds applications in the synthesis of methylsilicone resins, sealants, and coatings. Additionally, it is utilized in semiconductor manufacturing and as a precursor for specialized organosilicon compounds in various industrial processes.

Trichloro(methyl)silane requires careful handling due to its flammable and irritating properties. Always wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Work in well-ventilated areas or under fume hoods to avoid inhalation of vapors. Keep away from heat sources, sparks, and open flames. Use non-sparking tools and ensure proper grounding of equipment. Avoid contact with water or moisture as this generates corrosive hydrogen chloride gas.

Trichloro(methyl)silane must be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and ignition sources. Keep containers away from incompatible materials such as water, alcohols, and strong bases. Store in original containers made of suitable materials that resist corrosion. Maintain storage temperatures below recommended limits and ensure proper labeling. Implement appropriate fire prevention measures and have suitable fire extinguishing equipment nearby due to its flammable nature.

Trichloro(methyl)silane contact requires immediate first aid measures. For skin contact, immediately remove contaminated clothing and wash the affected area with plenty of water for at least 15 minutes. In case of 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 help if breathing difficulties occur. For ingestion, do not induce vomiting and seek immediate medical attention.

Trichloro(methyl)silane disposal must comply with local and national hazardous waste regulations. The compound cannot be disposed of through regular waste streams due to its hazardous classification. Contact licensed hazardous waste disposal companies for proper treatment and disposal. Small quantities may be neutralized carefully by trained personnel using appropriate methods, but this should only be done following established safety procedures. Empty containers should also be treated as hazardous waste and disposed of accordingly.

Trichloro(methyl)silane is classified as ADR Class 3 (flammable liquids), Packing Group II for transport purposes. It must be transported in approved containers and packaging that meet UN specifications. Vehicles must carry appropriate hazard placards and emergency response information. Drivers require ADR certification for dangerous goods transport. The shipment must be accompanied by proper transport documents and safety data sheets. Loading and unloading operations should follow strict safety protocols to prevent spills or exposure.

Trichloro(methyl)silane is subject to various European chemical regulations including REACH registration requirements and CLP classification obligations. It is not currently listed as a Substance of Very High Concern (SVHC) under REACH. Suppliers must provide safety data sheets and ensure proper labeling with danger pictograms GHS02 and GHS07. The substance must be handled according to occupational health and safety regulations, and its use may be restricted in certain consumer applications under applicable chemical safety legislation.

Trichloro(methyl)silane is available through OYSI, a trusted European distributor of specialty chemicals. OYSI provides high-quality trichloro(methyl)silane with complete regulatory documentation including safety data sheets and certificates of analysis. As an established chemical distributor, OYSI ensures compliance with European regulations and offers reliable supply chain solutions. Contact OYSI directly for pricing, availability, and technical support for your trichloro(methyl)silane requirements across European markets.