SiSiB® PC5310

SiSiB® PC5310

Trimethylchlorosilane

SiSiB® PC5310 is a clear, colourless, caustic and highly flammable liquid with a pungent odour.

Technical Data

CAS No.	75 77 4
EINECS No.	200-900-5
Formula	C3H9ClSi
Molecular Weight
Boiling Point	57°C [760mmHg]
Flash Point	-27°C
Color and Appearance	Colorless clear liquid
Density 25/25°C
Refractive Index

Application

All chlorosilanes react with water to produce hydrogen chloride. The remaining hydroxyl group bonds to the silicon, initially forming a silol group (analogous to alcohol). In general, this will eventually bond to a solid oxide surface or react with another chlorosilane or silol molecule. In the latter cases, the oxygen atom forms a link between two silicon atoms, analogous to the ether linkage in organic chemicals, and identical to the bonding in silicon dioxide.

Methyl chlorosilanes have one to three methyl groups. In the case of dichlorodimethylsilane, two chlorine atoms are available, so that a reaction with excess water produces a linear chain of ether-like linkages between silicon atoms. As in polyethers, these flexible linkages produce a rubbery polymer, polydimethylsiloxane (PDMS). Trichloromethylsilane can be used to induce branching and cross-linking in PDMS molecules, while chlorotrimethylsilane serves to end backbone chains, limiting molecular weight.

Organic chlorosilanes are usually used as coatings for silicon and glass surfaces, and in the production of silicone polymers.

SiSiB® PC5310 trimethylchlorosilane cas no. 75-77-4 is a typical Silane Blocking Agent, which can protect or deprotect functional groups selectively. It is widely used in the syntheses of drugs.

Packing and Storage

SiSiB® PC5310 organofunctional silanes are supplied in net weight 170Kg steel drum.

In the unopened original container SiSiB® PC5310 trimethylchlorosilane has a shelf life of one year in a dry and cool place.

If you want to know more about trimethylchlorosilane uses, please visit our website.

SiSiB SILICONES, a part of SINOPCC group established in 1989, is one of the leading manufacturers in silicone industry, focusing on the development and manufacture of silanes and silicones. Strategically positioned within the silicone supply chain, SiSiB SILICONES provide a comprehensive range of performance-enhancing products and solutions to meet the need of customers. These include silanes and siliconates, silicone fluids, silicone emulsions, liquid silicone rubber, silicone gum and fumed silica.

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