Name: Sodium bicarbonate CAS No.: 144-55-8 Appearance: White powder or opaque monoclinic system fine crystals Molecular formula: CHNaO3 Molecular Weight: 84.01 Melting point:>300 °C(lit.) PACKAGE:25KG/BAG
Name: Dichroromethylvinylsilane CAS number: 124-70-9 Molecular formula: C3H6Cl2Si Molecular weight: 141.07 EINECS number: 204-710-3 Mol file: 124-70-9.mol
Name: Vinyltrimethylsilane CAS number: 754-05-2 Molecular formula: C5H12Si Molecular weight: 100.23 EINECS number: 212-042-9 Mol file: 754-05-2.mol
Name: Ethoxydimethylvinylsilane CAS number: 5356-83-2 Molecular formula: C6H14OSi Molecular weight: 130.26 EINECS number: 226-341-7 Mol file: 5356-83-2.mol
Name: CHLORODIMETHYLPINYLSILANE CAS number: 1719-58-0 Molecular formula: C4H9ClSi Molecular weight: 120.65 EINECS number: 217-007-1 Mol file: 1719-58-0.mol
Name: 1,1,3,3-TETRAMETHYL-1,3-DIVINYLDISILAZANE CAS number: 7691-02-3 Molecular formula: C8H19NSi2 Molecular weight: 185.41 EINECS number: 231-701-1 Mol file: 7691-02-3.mol
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Octamethylcyclotetrasiloxane CAS NO.556-67-2
Name:Octamethylcyclotetrasiloxane
CAS No.:556-67-2
Appearance: colorless transparent oily liquid
Molecular formula: C8H24O4Si4
EINECS No.: 209-136-7
Molecular Weight: 296.6158
Molecular structure:
Production method
Add dimethyldichlorosilane dropwise to water, maintain the temperature at 30-40°C, separate the layers, remove the acid water, hydrolyze the oil with sodium hydroxide solution, add the hydrolyzate and 0.5%-2% potassium hydroxide to crack In the kettle, cracking was carried out at 120-140°C and 99.8kPa vacuum. The lysate is fractionated, and the fractions at 173-176 °C are collected to obtain octamethylcyclotetraoxysilane.
use
This product is an intermediate of silicone oil and silicone rubber.
Used as a raw material for silicone, also used in the electronics industry
Used in the manufacture of high tear-resistant silicone rubber products, and also used in the synthesis of other polymer compounds
It is used as an intermediate in the preparation of silicone oil, and is also used in the insulation and moisture-proof of radio parts.
Name:Methyltrichlorosilane CAS No.:75-79-6 Appearance: Colorless transparent liquid Molecular formula: CCl3Si Molecular Weight: 146.4536 Relative density (water=1): 1.28 Flash point: -9℃ (closed cup) Melting point: -90℃ Boiling point: 66℃
Name:Methyltrichlorosilane CAS No.:75-79-6 Appearance: Colorless transparent liquid Molecular formula: CCl3Si Molecular Weight: 146.4536 Relative density (water=1): 1.28 Flash point: -9℃ (closed cup) Melting point: -90℃ Boiling point: 66℃
Name:Methyltrichlorosilane CAS No.:75-79-6 Appearance: Colorless transparent liquid Molecular formula: CCl3Si Molecular Weight: 146.4536 Relative density (water=1): 1.28 Flash point: -9℃ (closed cup) Melting point: -90℃ Boiling point: 66℃
Name:Methyltrichlorosilane CAS No.:75-79-6 Appearance: Colorless transparent liquid Molecular formula: CCl3Si Molecular Weight: 146.4536 Relative density (water=1): 1.28 Flash point: -9℃ (closed cup) Melting point: -90℃ Boiling point: 66℃
Name:Dichlorodimethylsilane CAS No.:75-78-5 Appearance: Colorless transparent liquid Molecular formula: C2H6Cl2Si Molecular Weight: 129.0605 EINECS No.:200-901-0 Density: 1.075g/cm3 Melting point: -76℃ Boiling point: 70°C at 760 mmHg Vapor Pressure: 143mmHg at 25°C Refractive index: 1.4023 Flash point: -8.9℃ Solubility: soluble in benzene and ether.
Name:Dichlorodimethylsilane CAS No.:75-78-5 Appearance: Colorless transparent liquid Molecular formula: C2H6Cl2Si Molecular Weight: 129.0605 EINECS No.:200-901-0 Density: 1.075g/cm3 Melting point: -76℃ Boiling point: 70°C at 760 mmHg Vapor Pressure: 143mmHg at 25°C Refractive index: 1.4023 Flash point: -8.9℃ Solubility: soluble in benzene and ether.
Name:Dichlorodimethylsilane CAS No.:75-78-5 Appearance: Colorless transparent liquid Molecular formula: C2H6Cl2Si Molecular Weight: 129.0605 EINECS No.:200-901-0 Density: 1.075g/cm3 Melting point: -76℃ Boiling point: 70°C at 760 mmHg Vapor Pressure: 143mmHg at 25°C Refractive index: 1.4023 Flash point: -8.9℃ Solubility: soluble in benzene and ether.
Name:Dichlorodimethylsilane CAS No.:75-78-5 Appearance: Colorless transparent liquid Molecular formula: C2H6Cl2Si Molecular Weight: 129.0605 EINECS No.:200-901-0 Density: 1.075g/cm3 Melting point: -76℃ Boiling point: 70°C at 760 mmHg Vapor Pressure: 143mmHg at 25°C Refractive index: 1.4023 Flash point: -8.9℃ Solubility: soluble in benzene and ether.
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