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Organic silicones

Chloromethyltriethoxysilane

CAS number

15267-95-5

Molecular formula C7H17ClO3Si
Product name Chloromethyltriethoxysilane
Molecular Structure

Appearance:Colorless transparent liquid

Density:1.04

Boiling Point:90ºC (25 torr)

Flash Point:64ºC

Refractive Index:n20/D 1.41(lit.)

Storage Condition:Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.

Vapor Pressure:0.449mmHg at 25°C


CAS No. 15267-95-5 is an organic compound known as 2-Chloro-3-methyl-3-buten-2-ol. It is a colorless liquid with a pungent odor. It is soluble in water, alcohols and most organic solvents.


The product is widely used in the chemical industry as a building block in various organic syntheses. It can be used in the production of 2-chloro-3-methyl-3-penten-2-ol, a key intermediate for the production of various pharmaceuticals. It can also be used in the synthesis of 2-chloro-3-methyl-3-hexen-2-ol, which is used in the production of several herbicides and insecticides.


The product is also used as a catalyst in the production of polyurethane foams. Additionally, it can be used as a solvent for dyeing and printing of textiles.


The product is highly toxic and can be harmful if inhaled, ingested or absorbed through the skin. It should be handled with care and stored in a cool, dry place. Gloves, goggles and other protective clothing should be worn when handling this product.


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