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Trimethoxysilane

Trimethoxysilane structure

CAS No:
2487-90-3
Formula:
C3H10O3Si
Chemical Name:
Trimethoxysilane
Synonyms:
Silane,trimethoxy-;Trimethoxysilane;LS 330;LMD 930;SY 2012
Categories:
Chemical Reagents > Organic Reagents

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Description

Colorless clear liquid

Trimethoxysilane Basic Attributes

Molecular Weight：

122.2

Exact Mass：

122.20

EC Number：

219-637-2

HScode：

2931900090

Characteristics

PSA：

27.7

XLogP3：

3.11

Appearance：

Trimethoxysilane appears as a colorless liquid. Slightly soluble in water and denser than water. Hence floats on water. Very toxic by ingestion, inhalation or skin absorption. May also be corrosive to skin and eyes.

Density：

0.860 g/cm³

Melting Point：

-115 °C

Boiling Point：

86-87 °C @ Press: 760 Torr

Flash Point：

24 °F

Refractive Index：

n20/D 1.358(lit.)

Water Solubility：

Hydrolyzes rapidly in water

Storage Conditions：

Flammables area

Vapor Pressure：

<7.2 mm Hg ( 20 °C)

Vapor Density：

>1 (vs air)

Flammability characteristics：

Lower flammable limit: 43% by volume at 34 deg C; Upper flammable limit: 40.1% by volume at 62 deg C

Explosive limit：

Silanes ... form spontaneously ... explosive mixtures with air. /Silanes/

Safety Information

Packing level：

Hazard category：

6.1(a)

Transport codes：

UN 3384 6.1/PG 1

wgk germany：

hazard class code：

11-26-36

safety instructions：

16-36/37/39-45

RTECS Number：

VV6750000

Marks：

F,T+

Stability/Shelf Life：

May decompose upon exposure to air or water. Incompatible with strong oxidizing agents, strong bases, strong acids.

Precautionary statement(s)：

P210-P260-P284-P305 + P351 + P338-P310

Hazard Statements：

H225-H319-H330

Trimethoxysilane Use and Manufacturing

It is an important intermediate for the synthesis of functional organosilicon compounds, used in adhesives, coatings and silicone-modified polymers, and can also be used as a hydrogenation and reduction agent

Computed Properties

Molecular Weight:122.19
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:3
Exact Mass:122.03992071
Monoisotopic Mass:122.03992071
Topological Polar Surface Area:27.7
Heavy Atom Count:7
Complexity:31.7
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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