Methyltriacetoxysilane
Methyltriacetoxysilane
CAS: 4253-34-3
Molecular Formula: C7H12O6Si
Methyltriacetoxysilane - Names and Identifiers
| Name | Methyltriacetoxysilane |
| Synonyms | Methyltriacetoxysilane Methyltriacethoxysilane Triacetoxy(methyl)silane Methyltrimethoxygroupsilane Methylsilanetriyl triacetate Methyltriacetoxysilaneethyltriacetoxysilane |
| CAS | 4253-34-3 |
| EINECS | 224-221-9 |
| InChI | InChI=1/C7H12O6Si/c1-5(8)11-14(4,12-6(2)9)13-7(3)10/h1-4H3 |
Methyltriacetoxysilane - Physico-chemical Properties
| Molecular Formula | C7H12O6Si |
| Molar Mass | 220.252 |
| Density | 1.157g/cm3 |
| Melting Point | 40-45℃ |
| Boling Point | 221.3°C at 760 mmHg |
| Flash Point | 85°C |
| Vapor Presure | 0.108mmHg at 25°C |
| Refractive Index | 1.423 |
| Use | Used as a crosslinking agent, can be used for plastic, nylon, ceramic, aluminum and silicone rubber bonding |
Methyltriacetoxysilane - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
Methyltriacetoxysilane - Introduction
Methyltriacetoxysilane(Methyltriacetoxysilane) is an organosilicon compound. The following is a description of some properties, uses, preparation and safety information about the compound:
Nature:
-Appearance: Colorless to yellowish liquid
-Molecular formula: C9H18O6Si
-Molecular weight: 250.32g/mol
-Boiling point: about 140-142°C
-Density: about 1.09 g/mL
-Melting point:-30°C
-Solubility: Soluble in organic solvents such as alcohols, ethers, ketones and aromatic hydrocarbons
Use:
- Methyltriacetoxysilane is mainly used for the preparation of silicone polymers. In the presence of water and moisture, it can slowly react with water to form silica and acetic acid, thereby realizing the curing, crosslinking and water resistance of silane compounds Improve.
-It can also be used to prepare waterproofing agents, silicone rubber, silane modified materials, silane curing agents, etc.
Preparation Method:
The preparation method of Methyltriacetoxysilane generally adopts the following reaction steps:
1. The methyl trichlorosilane (methyltrichlorosilane) is reacted with excess acetic acid to generate methyl triacetate silane (methyltriacetoxysilane).
2. The product obtained after the reaction can be purified by distillation to obtain pure Methyltriacetoxysilane.
Safety Information:
- Methyltriacetoxysilane irritant, avoid contact with skin and eyes. Wear chemical protective gloves, goggles and protective clothing during operation.
-Need to store and operate in a well-ventilated place, avoid contact with oxidants or high temperature to prevent fire or explosion.
-Please carefully read and observe the relevant safety operation guidelines and handling methods when using.
Nature:
-Appearance: Colorless to yellowish liquid
-Molecular formula: C9H18O6Si
-Molecular weight: 250.32g/mol
-Boiling point: about 140-142°C
-Density: about 1.09 g/mL
-Melting point:-30°C
-Solubility: Soluble in organic solvents such as alcohols, ethers, ketones and aromatic hydrocarbons
Use:
- Methyltriacetoxysilane is mainly used for the preparation of silicone polymers. In the presence of water and moisture, it can slowly react with water to form silica and acetic acid, thereby realizing the curing, crosslinking and water resistance of silane compounds Improve.
-It can also be used to prepare waterproofing agents, silicone rubber, silane modified materials, silane curing agents, etc.
Preparation Method:
The preparation method of Methyltriacetoxysilane generally adopts the following reaction steps:
1. The methyl trichlorosilane (methyltrichlorosilane) is reacted with excess acetic acid to generate methyl triacetate silane (methyltriacetoxysilane).
2. The product obtained after the reaction can be purified by distillation to obtain pure Methyltriacetoxysilane.
Safety Information:
- Methyltriacetoxysilane irritant, avoid contact with skin and eyes. Wear chemical protective gloves, goggles and protective clothing during operation.
-Need to store and operate in a well-ventilated place, avoid contact with oxidants or high temperature to prevent fire or explosion.
-Please carefully read and observe the relevant safety operation guidelines and handling methods when using.
Last Update：2024-04-10 22:29:15
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