1,1,3,3-Tetramethyl-1,3-dihydroxypropanedisiloxane - Names and Identifiers
Name | 1,1,3,3-tetramethyldisiloxane-1,3-diol
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Synonyms | 1,3-dihydroxytetramethyldisiloxane 1,1,3,3-tetramethyldisiloxane-1,3-diol 1,1,3,3-tetramethyl-1,3-disiloxanediol 3-Disiloxanediol, 1,1,3,3-tetramethyl-1 1,3-Dihydroxy-1,1,3,3-tetramethyldisiloxane 1,3-dihydroxy-1,1,3,3-tetramethyl-1,3-disiloxane 1,1,3,3-Tetramethyl-1,3-dihydroxypropanedisiloxane hydroxy-[hydroxy(dimethyl)silyl]oxy-dimethylsilane
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CAS | 1118-15-6
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EINECS | 214-258-9 |
1,1,3,3-Tetramethyl-1,3-dihydroxypropanedisiloxane - Physico-chemical Properties
Molecular Formula | C4H14O3Si2
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Molar Mass | 166.323 |
Density | 1.095 g/cm3 |
Melting Point | 65-69 °C |
Boling Point | 167.4±23.0 °C(Predicted) |
pKa | 13.55±0.53(Predicted) |
Storage Condition | -20℃ |
Physical and Chemical Properties | EPA Chemical Information 1,3-Disiloxanediol, 1,1,3, 3-tetrameyl- (1118-15-6) |
1,1,3,3-Tetramethyl-1,3-dihydroxypropanedisiloxane - Upstream Downstream Industry
1,1,3,3-Tetramethyl-1,3-dihydroxypropanedisiloxane - Introduction
1,1, 3,3-tetrameyldisiloxane-1, 3-diol(1,1, 3,3-tetrameyldisiloxane-1, 3-diol) is an organosilicon compound with the chemical formula C4H14O2Si2. It has the following properties:
1. Appearance: 1,1,3,3-tetramethyldisiloxane-1,3-diol is a colorless and transparent liquid.
2. Solubility: Soluble in organic solvents such as ether, benzene and chlorinated hydrocarbons.
3. Stability: relatively stable, does not react with water or oxygen in the air at room temperature.
The uses of 1,1,3,3-tetramethyldisiloxane-1,3-diol mainly include the following aspects:
1. Preparation of silicone rubber: As a crosslinking agent of silicone rubber, it can improve the heat resistance and aging resistance of silicone rubber.
2. Organic synthesis: catalysts or solvents that can be used in organic synthesis reactions, such as the synthesis of silicon hydroxide and dihydroxydisiloxane.
3. Surfactant: Due to its surface activity, it can be used as a stabilizer or anti-foaming agent for polymer emulsions.
The preparation of 1,1,3,3-tetramethyldisiloxane-1,3-diol is generally carried out by the following steps:
1. Dichloromethyl silane reacts with water or alcohol to generate the corresponding dihydroxy silane.
2. React dihydroxysilane with chloromethane to generate 1,1,3,3-tetramethyldisiloxane-1,3-diol.
For its safety information, please note the following:
1. 1,1, 3,3-tetramethyldiloxane-1, 3-diol may be irritating to the eyes and skin and should be avoided when using.
2. During use, good ventilation measures should be taken to avoid inhaling the vapor of the substance.
3. If accidentally ingested, seek medical advice immediately. In an emergency, a doctor should be provided to view the packaging or label for accurate treatment instructions.
Generally speaking, 1,1,3,3-tetramethyldisiloxane-1,3-diol is an organic silicon compound with a wide range of applications, and relevant safety measures need to be paid attention to when using it.
Last Update:2024-04-10 22:40:09