1-Allyl-1,1,3,3-tetramethyldisiloxane

1-Allyl-1,1,3,3-tetramethyldisiloxane - Names and Identifiers

Name	1,1,3,3-tetramethyl-1-(prop-2-en-1-yl)disiloxane
Synonyms	1-ALLYL-1,1,3,3-TETRAMETHYLDISILOXANE 1-Allyl-1,1,3,3-tetramethyldisiloxane [dimethyl(prop-2-enyl)silyl]oxy-dimethylsilicon 1,1,3,3-tetramethyl-1-(prop-2-en-1-yl)disiloxane Disiloxane, 1,1,3,3-tetramethyl-1-(2-propen-1-yl)-
CAS	18387-26-3
InChI	InChI=1/C7H18OSi2/c1-6-7-10(4,5)8-9(2)3/h6,9H,1,7H2,2-5H3

1-Allyl-1,1,3,3-tetramethyldisiloxane - Physico-chemical Properties

Molecular Formula	C7H18OSi2
Molar Mass	174.39
Density	0,8 g/cm3
Boling Point	131-2°C
Flash Point	10°C
Vapor Presure	13mmHg at 25°C
Specific Gravity	0.8
Sensitive	3: reacts with aqueous base
Refractive Index	1.4060

1-Allyl-1,1,3,3-tetramethyldisiloxane - Risk and Safety

Risk Codes	R10 - Flammable R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed.
Safety Description	S16 - Keep away from sources of ignition. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
UN IDs	1993
TSCA	No

1-Allyl-1,1,3,3-tetramethyldisiloxane - Introduction

1,1,3,3-tetramethyl-1-(prop-2-en-1-yl) disilane (Vinyltrimethoxysilane) is an organosilicon compound. It has a chemical formula of CIS H-O-Si and a molecular weight of 161.34. The following is a description of some information about the properties, uses, preparation and safety of the compound:

Nature:
1,1,3,3-tetramethyl-1-(prop-2-en-1-yl) disilane is a colorless to light yellow liquid with a distinctive odor. It can react with many organic and inorganic substances and has low toxicity.

Use:
1,1,3,3-tetramethyl-1-(prop-2-en-1-yl) disilane has a wide range of applications in the chemical industry. The Main uses include the following:
1. As an organic silicon compound, it can be used for the modification of coatings, sealants, adhesives and inks to improve the weather resistance and adhesion of coatings and adhesives.
2. As a surface treatment agent, it can be used to improve the wettability and adhesion of various materials, such as glass, ceramics, metals, etc.
3. As a monomer or crosslinking agent, it can be used to synthesize resins, elastomers and polymers.
4. As a crosslinking agent for polymers, it can be used to prepare polymer materials with heat resistance, weather resistance and chemical corrosion resistance.

Method:
The preparation of 1,1,3,3-tetramethyl-1-(prop-2-en-1-yl) disilane is usually obtained by the addition reaction of silane. The specific method can include the following steps:
1. 1-allyltrisilane was reacted with methanol to obtain 1-allyl-1, 1,3, 3-tetramethyldimethylsiloxane.
2. Further react with base-catalyzed water to generate 1,1,3,3-tetramethyl-1-(prop-2-en-1-yl) disilane.

Safety Information:
The use of 1,1,3,3-tetramethyl-1-(prop-2-en-1-yl) disilane should follow the corresponding safety procedures. Here are some safety considerations:
1. In the operation, should wear appropriate protective gloves and safety glasses.
2. Avoid contact with skin and eyes, and try to avoid inhaling the gas or vapor.
3. Operate in a well-ventilated place and avoid using in a confined space.
4. If the skin or eyes are touched, rinse immediately with plenty of water and seek medical help.
5. Storage should avoid contact with acids, oxidants and organic bases and other substances, stored in a cool, dry place.

Last Update：2024-04-10 22:41:03