1,3-diethenyl-1,1,3,3-tetraethoxydisiloxane

1,3-diethenyl-1,1,3,3-tetraethoxydisiloxane - Names and Identifiers

Name	1,3-Divinyltetraethoxydisiloxane
Synonyms	Bis(vinyldiethoxysilyl) ether 1,3-Divinyltetraethoxydisiloxane 1,3-DIVINYLTETRAETHOXYDISILOXANE 1,3-Divinyl-1,1,3,3-TetraethoxyDisiloxane 1,3-diethenyl-1,1,3,3-tetraethoxydisiloxane 1,1,3,3-Tetraethoxy-1,3-divinylpropanedisiloxane 1,3-Divinyl-1,1,3,3-tetraethoxypropanedisiloxane 3,3,5,5-Tetraethoxy-4-oxa-3,5-disila-1,6-heptadiene 3,3,5,5-Tetraethoxy-3,5-disila-4-oxa-1,6-heptadiene
CAS	3682-26-6
InChI	InChI=1/C12H26O5Si2/c1-7-13-18(11-5,14-8-2)17-19(12-6,15-9-3)16-10-4/h11-12H,5-10H2,1-4H3

1,3-diethenyl-1,1,3,3-tetraethoxydisiloxane - Physico-chemical Properties

Molecular Formula	C12H26O5Si2
Molar Mass	306.5
Density	0.962
Boling Point	119 °C
Flash Point	43°C
Vapor Presure	0.0251mmHg at 25°C
Specific Gravity	0.962
Sensitive	7: reacts slowly with moisture/water
Refractive Index	1.4100

1,3-diethenyl-1,1,3,3-tetraethoxydisiloxane - Risk and Safety

Risk Codes	R10 - Flammable R36/37/38 - Irritating to eyes, respiratory system and skin.
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	1993
TSCA	No

1,3-diethenyl-1,1,3,3-tetraethoxydisiloxane - Introduction

1, is an organic silicon compound, the chemical formula is C12H28O4Si2. It is a colorless liquid with low volatility. The following is a description of the properties, uses, preparation and safety information of the compound:

Nature:
-Appearance: colorless liquid
-Density: approx. 0.91g/cm³
-Boiling point: about 282°C
-Melting point: approx. -35°C
-Flash point: about 116°C

Use:
- 1, can be used as organic silicon crosslinking agent, can be formed by crosslinking reaction of high molecular polymer, used in the preparation of silicone rubber, silica gel and other materials.
-It can also be used as a crosslinking agent for special coatings, an additive for electronic materials, and a modifier for optical materials.

Preparation Method:
1, is usually synthesized by the following steps:
1. React 1,3-diene silicon oxide with tetraethoxychlorosilane to generate 1, calcium.

Safety Information:
-The compound may be irritating to the eyes and skin, and direct contact should be avoided. Wear appropriate protective equipment such as gloves and goggles during operation.
-If inhaled or ingested, consult your doctor promptly.

Last Update：2024-04-10 22:29:15