1,3-dichloro-1,3-dimethyl-1,3-divinyldisiloxane

1,3-dichloro-1,3-dimethyl-1,3-divinyldisiloxane - Names and Identifiers

Name	1,3-Divinyl-1,3-dimethyl-1,3-dichlorodisilo
Synonyms	Einecs 240-081-1 1,3-Divinyl-1,3-dimethyl-1,3-dichlorodisilo 1,3-DIVINYL-1,3-DIMETHYL-1,3-DICHLORODISILO 1,3-DIVINYL-1,3-DIMETHYL-1,3-DICHLOROSILOXANE 1,3-dichloro-1,3-dimethyl-1,3-divinyldisiloxane 1,3-Divinyl-1,3-dimethyl-1,3-dichlorodisiloxane 1,3-DIVINYL-1,3-DIMETHYL-1,3-DICHLORODISILOXANE 1,3-dichloro-1,3-diethenyl-1,3-dimethyldisiloxane 1,3-Divinyl-1,3-dimethyl-1,3-dichloropropanedisiloxane 1,3-Dichloro-1,3-diethenyl-1,3-dimethylpropanedisiloxane
CAS	15948-19-3
EINECS	240-081-1
InChI	InChI=1/C6H12Cl2OSi2/c1-5-10(3,7)9-11(4,8)6-2/h5-6H,1-2H2,3-4H3

1,3-dichloro-1,3-dimethyl-1,3-divinyldisiloxane - Physico-chemical Properties

Molecular Formula	C6H12Cl2OSi2
Molar Mass	227.24
Density	0.8517 g/cm3
Boling Point	67°C 16mm
Flash Point	54°C
Vapor Presure	1.47mmHg at 25°C
Specific Gravity	1.090
Sensitive	8: reacts rapidly with moisture, water, protic solvents
Refractive Index	1.445

1,3-dichloro-1,3-dimethyl-1,3-divinyldisiloxane - Risk and Safety

Risk Codes	R10 - Flammable R34 - Causes burns
Safety Description	S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
UN IDs	2986
TSCA	No

1,3-dichloro-1,3-dimethyl-1,3-divinyldisiloxane - Introduction

1,3-divinyl-1, 3-dimethyl-1,3-dichlorodisilo, also known as D4, is an organosilicon compound. The following is a description of its nature, use, preparation and safety information:

Nature:
-Appearance: colorless transparent liquid
-Molecular formula: C4H12Cl2O2Si2
-Molecular Weight: 209.18
-Boiling point: 140-142 ° C
-Melting point:-44.5 ° C
-Density: 1.182g/cm³
-Stability: insoluble in water, good stability, but will be decomposed by strong alkali.

Use:
- D4 is widely used in the synthesis of silicone polymers, such as silicone rubber, silicone resin, silicone oil, etc.
-As an important intermediate, D4 can also be used to prepare other organosilicon compounds, such as polydimethylsiloxane.
-In the field of cosmetics, D4 can be used as a solvent and stabilizer for baths, shampoos, skin care products, etc.

Method:
Generally, D4 is prepared by reacting a chlorinated hydrocarbon with dimethylsilyl vinyl alcohol.

Safety Information:
- D4 is mildly irritating and narcotic, and may cause damage to the skin, eyes and respiratory system on prolonged exposure.
-When in use, should avoid inhalation of gas or contact with skin and eyes, if necessary, should wear appropriate protective gloves and glasses.
-During storage and handling, avoid contact with strong bases and oxidants to prevent accidental reactions.
-Comply with relevant regulations and pay attention to environmental protection measures when discarding or recycling waste.

Please note that the specific use, preparation and safety measures of any chemical should be carried out under the guidance of a professional and refer to the relevant scientific literature and safety data sheets.

Last Update：2024-04-09 15:17:53