18186-97-5

18186-97-5 - Names and Identifiers

Name	1,3-Dimethyltetramethoxydisiloxane
Synonyms	dimethyltetramethoxydisiloxane 1,3-DIMETHYLTETRAMETHOXYDISILOXANE 1,3-Dimethyltetramethoxydisiloxane TETRAMETHOXY-1,3-DIMETHYLDISILOXANE 1,1,3,3-Tetramethoxy-1,3-dimethyldisiloxane 1,1,3,3-tetramethoxy-1,3-dimethyl-Disiloxane 1,3-Dimethyl-1,1,3,3-Tetramethoxy Disiloxane Disiloxane,1,1,3,3-tetramethoxy-1,3-dimethyl- methoxy(dimethyl)silyl trimethyl orthosilicate 1,1,3,3-Tetramethoxy-1,3-dimethylpropanedisiloxane
CAS	18186-97-5
EINECS	242-072-8
InChI	InChI=1/C6H18O5Si2/c1-7-12(5,6)11-13(8-2,9-3)10-4/h1-6H3

18186-97-5 - Physico-chemical Properties

Molecular Formula	C6H18O5Si2
Molar Mass	226.38
Density	1.01g/mLat 25°C(lit.)
Melting Point	<0°C
Boling Point	165°C(lit.)
Flash Point	86°F
Vapor Presure	6.421mmHg at 25°C
Specific Gravity	1.01
Sensitive	7: reacts slowly with moisture/water
Refractive Index	n20/D 1.384(lit.)

18186-97-5 - Risk and Safety

Risk Codes	10 - Flammable
Safety Description	16 - Keep away from sources of ignition.
UN IDs	UN 1993 3/PG 3
WGK Germany	3
TSCA	Yes
Hazard Class	3.2
Packing Group	III

18186-97-5 - Introduction

1, is an organic silicon compound, also known as TMOS or Tetramethoxysilane. The following is an introduction to its nature, use, formulation and safety information:

Nature:
-Appearance: colorless liquid
-Molecular formula: C8H22O4Si2
-Molecular weight: 246.41g/mol
-Melting point:-64 ° C
-Boiling point:_101 ° C
-Density: 0.951g/cm³

Use:
- 1, commonly used in the synthesis of silicone polymers and silicone compounds.
-It is a common silane modifier that can be used to improve the wettability, water resistance and adhesion of the surface.
-It can also be used as a metal protective agent, paint and paint additive, and a precursor for optical materials.

Method:
- 1, can be obtained by reacting tetramethylsilyl alcohol with methyl iodide. The reaction generally requires the use of a catalyst and a suitable solvent.

Safety Information:
- 1, is a flammable liquid, should avoid contact with high temperature, fire and oxygen.
-Use appropriate personal protective equipment (e. G. Gloves, goggles and protective clothing) when used.
-When using or handling the compound, avoid inhaling its vapor or touching the skin and eyes. For example, the experimenter should immediately rinse with plenty of water.
- 1, Keep away from children and animals and store in an airtight container in a cool, cool and well-ventilated place.

Last Update：2024-04-10 22:29:15