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CG-205 (CAS 18171-19-2)

Chemical Name :3-Chloropropylmethyldimethoxysilane
Molecular Formula: C6H15O2ClSi
Structural Formula : silane coupling agent
Molecular Weight: 182.72
CAS No. : 18171-19-2

Physical Properties of 3-Chloropropylmethyldimethoxysilane:

Physical Form :Transparent liquid
Color: Colorless
Specific Gravity at 25/25°C: 1.019
Boiling Point, °C: 70-72
Refractive Index, nD 25°C: 1.426
Flash Point, Pensky-Martens Closed Cup (1), °C :75.6


1.3-chloropropylmethyldimethoxysilane (CAS NO.18171-19-2) can be used as intermediate for producing many kinds of coupling agents and silicone oils.
2.In the rubber industry, the strength of polyurethane elastomer can be enhanced by inducing polarized chloropropyl group from this product.3-chloropropylmethyldimethoxysilane is also applicable to synthesize vulcanized rubber with low penetrativity, low rolling resistance, high elasticity and elongation rate. 3-chloropropylmethyldimethoxysilane can also be used to produce bulletproof solid tire in military.
3.In the plastic industry, this product can be used to restrain the penetrating out of PVC additive, keeping the plastic clean,It can also be used as absorbent for polyurethane foam to improve its climate adaptability.
4.In the textile industry, 3-chloropropylmethyldimethoxysilane can be used for producing fabric treatment agent which is capable of softening fabric, enhancing its elasticity, preventing fabric from getting yellow and improving its dyeing property.
5.In the printing industry,3-chloropropylmethyldimethoxysilane can be used to make negatively charged toner for electrostatic copying, graphic imaging etc.

Handling and Storage:

3-chloropropylmethyldimethoxysilane is sealed and stored in cool and well ventilated place away from fire and water.


The information provided herein was believed by Jiangxi Chenguang New Materials Co., Ltd. to be accurate at the time of preparation or prepared from sources believed to be reliable, but it is the responsibility of the user to investigate and understand other pertinent sources of information, to comply with all laws and procedures applicable to the safe handling and use of 3-chloropropylmethyldimethoxysilane, and to determine the suitability of the product for user's intended application or use. All products supplied by Chenguang are subject to Chenguang's standard terms and conditions of sale. CHENGUANG MAKES NO WARRANTY, EXPRESS OR IMPLIED, CONCERNING THE PRODUCT OR THE MERCHANTABILITY OR FITNESS THEREOF FOR ANY PURPOSE OR CONCERNING THE ACCURACY OF ANY INFORMATION PROVIDED BY CHENGUANG, except that the product shall conform to Chenguang’s specifications. Nothing contained herein constitutes an offer for the sale of any product.

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