2750-45-0

2750-45-0 - Names and Identifiers

Name	1,1,1-trichloro-3,3,3-trimethyldisiloxane
Synonyms	LogP TRIMETHYLSILOXYTRICHLOROSILANE Trimethylsilyloxy Trichlorosilane Trichloro(Trimethylsilyloxy)Silane 1,1,1-trichloro-3,3,3-trimethyldisiloxane Disiloxane, 1,1,1-trichloro-3,3,3-trimethyl-
CAS	2750-45-0
InChI	InChI=1/C3H9Cl3OSi2/c1-8(2,3)7-9(4,5)6/h1-3H3

2750-45-0 - Physico-chemical Properties

Molecular Formula	C3H9Cl3OSi2
Molar Mass	223.63
Density	1.126
Boling Point	128°C
Flash Point	16°C (61°F)
Vapor Presure	6.99mmHg at 25°C
Specific Gravity	1.1405
Sensitive	8: reacts rapidly with moisture, water, protic solvents
Refractive Index	1.4032

2750-45-0 - Risk and Safety

TSCA

2750-45-0 - Introduction

1,1,1-trichloro-3,3,3-trimethyldisiloxane, also known as 1,1,1-trichloro-3,3,3-trimethyldisiloxane, is an organosilicon compound. Its chemical formula is [(CH3)3SiO]2SiCl and its molecular weight is 295.81g/mol. The following is a description of the properties, uses, preparation and safety information of the compound:

Nature:
1. Appearance and state of matter: 1,1,1-trichloro -3,3,3-trimethyldisiloxane is a colorless liquid.
2. Boiling point and melting point: its boiling point is about 165-167 ° C, and its melting point is about -72 ° C.
3. Solubility: 1,1, 1-trichloro-3, 3,3-trimethyldisiloxane can be dissolved in organic solvents, such as benzene, toluene, dichloromethane, etc.

Use:
1. As a surfactant: 1,1, 1-trichloro-3, 3,3-trimethyldisiloxane can be used as an intermediate in the preparation of various Silicone surfactants, such as silicone wetting agents, emulsifiers, etc.
2. As silicone rubber crosslinking agent: the compound can be used as silicone rubber crosslinking agent, can improve the abrasion resistance of silicone rubber, high temperature resistance and chemical resistance.
3. As a precursor of hybrid materials: 1,1, 1-trichloro-3, 3,3-trimethyldisiloxane can be used as a precursor for preparing hybrid materials, silicon oxide coatings, etc.

Method:
1,1, 1-trichloro-3, 3,3-trimethyldisiloxane can be prepared by reacting chlorosilane with dimethyl silanol. The specific preparation method is that chlorosilane and dimethyl silanol are mixed according to a certain molar ratio, and under appropriate reaction conditions, such as heating and stirring, react to generate the target product.

Safety Information:
When using 1,1, 1-trichloro-3, 3,3-trimethyldisiloxane, the following safety precautions should be paid attention:
1. This compound may be irritating to the eyes, skin and respiratory tract and should be avoided. Wear protective glasses, gloves and breathing protectors during use.
2. Avoid contact with oxidants and strong acids to avoid dangerous reactions.
3. Storage should be sealed, away from fire and heat sources, to maintain a well-ventilated place.

Last Update：2024-04-10 22:29:15