Dichloro(dimethyl)silane

Dichloro(dimethyl)silane is an organosilicon compound with the molecular formula C2H6Cl2Si and CAS number 75-78-5. This chemical substance has a molecular weight of 129.06 g/mol and belongs to the family of chlorosilanes. It is classified as a flammable liquid with irritating properties, requiring careful handling due to its hazardous nature. The compound is widely used in industrial applications as a chemical intermediate and reagent in various synthesis processes.

Dichloro(dimethyl)silane is a colorless liquid at room temperature with a pungent, irritating odor characteristic of chlorosilanes. The compound is highly reactive with water, undergoing hydrolysis to form silanol compounds and hydrogen chloride. It has a relatively low boiling point and is volatile under normal conditions. Due to its chemical structure containing both silicon-chlorine and silicon-carbon bonds, it exhibits typical organosilicon reactivity patterns and serves as an important building block in silicon chemistry.

Dichloro(dimethyl)silane is primarily used as a chemical intermediate in the production of silicone polymers, resins, and other organosilicon compounds. It serves as a key building block in the synthesis of dimethylsilicone materials used in sealants, adhesives, and coatings. The compound is also employed in surface modification treatments, as a coupling agent, and in the manufacture of specialty chemicals. Its reactive chlorine atoms make it valuable for creating silicon-based materials with specific properties.

Dichloro(dimethyl)silane requires careful handling using appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Work should be conducted in well-ventilated areas or under fume hoods due to its irritating vapors. Avoid contact with skin, eyes, and respiratory system. Keep away from heat sources, sparks, and open flames as it is classified as Flam. Liq. 2. Ensure emergency eyewash stations and safety showers are readily accessible when handling this substance.

Dichloro(dimethyl)silane must be stored in a cool, dry, well-ventilated area away from heat sources and ignition sources due to its flammable nature. Keep containers tightly sealed to prevent moisture contact, as the compound reacts with water. Store separately from incompatible materials such as strong bases, alcohols, and oxidizing agents. Use appropriate secondary containment and ensure storage areas comply with local fire safety regulations for flammable liquids classified under ADR Class 3, Packing Group II.

Dichloro(dimethyl)silane contact requires immediate action due to its irritating properties. For skin contact, immediately remove contaminated clothing and flush the affected area with plenty of water for at least 15 minutes. In case of eye contact, rinse thoroughly with water for several minutes and remove contact lenses if present. If inhaled, move the person to fresh air immediately. For ingestion, do not induce vomiting and seek immediate medical attention. Always consult a physician after any significant exposure.

Dichloro(dimethyl)silane disposal must comply with local, national, and European waste regulations as it is classified as hazardous waste. The substance should never be poured down drains or disposed of in regular waste streams. Contact licensed hazardous waste disposal companies for proper treatment and disposal. Small quantities may be neutralized under controlled conditions by trained personnel, but this should only be done following established safety protocols and regulatory guidelines for chemical waste management.

Dichloro(dimethyl)silane is classified under ADR Class 3 (flammable liquids) with Packing Group II, requiring specific transport regulations compliance. The substance must be packaged in UN-approved containers with proper labeling including GHS02 and GHS07 pictograms and 'Danger' signal word. Transport vehicles must carry appropriate emergency equipment and documentation. Only authorized carriers trained in hazardous materials transport should handle shipments, following all applicable dangerous goods regulations for road, rail, sea, or air transport within Europe.

Dichloro(dimethyl)silane is subject to various European regulations including REACH registration requirements and CLP classification as Flam. Liq. 2, STOT SE 3, Skin Irrit. 2, and Eye Irrit. 2. The substance is not currently listed as a Substance of Very High Concern (SVHC). Users must comply with occupational safety regulations, environmental protection laws, and transport regulations. Safety data sheets must be provided following CLP requirements, and workplace exposure limits should be observed where applicable.

Dichloro(dimethyl)silane is available through OYSI, a specialized European distributor of technical chemicals serving industrial customers across Europe. OYSI provides high-quality chemical products with proper documentation, safety data sheets, and regulatory compliance support. As a professional chemical distributor, OYSI ensures reliable supply chains and technical expertise for industrial applications. Contact OYSI directly for availability, specifications, packaging options, and delivery arrangements tailored to your specific requirements and location within Europe.