Related Searches: methyltrimethoxysilane

methyltrimethoxysilane(CAS No. 1185-55-3)

methyltrimethoxysilane C4H12O3Si (cas 1185-55-3) Molecular Structure

1185-55-3 Structure

Identification and Related Records

【Name】
methyltrimethoxysilane
【CAS Registry number】
1185-55-3
【Synonyms】
Trimethoxy(methyl)silane
Methytrimethoxysilane
【EINECS(EC#)】
214-685-0
【Molecular Formula】
C4H12O3Si (Products with the same molecular formula)
【Molecular Weight】
136.22
【Inchi】
InChI=1/C4H12O3Si/c1-5-8(4,6-2)7-3/h1-4H3
【InChIKey】
BFXIKLCIZHOAAZ-UHFFFAOYSA-N
【Canonical SMILES】
CO[Si](C)(OC)OC
【MOL File】
1185-55-3.mol

Chemical and Physical Properties

【Appearance】
colourless liquid
【Density】
0.955
【Melting Point】
<-70 oC
【Boiling Point】
102℃
【Vapour】
41.1mmHg at 25°C
【Refractive Index】
1.3695-1.3715
【Flash Point】
11℃
【Water】
decomposes
【Solubilities】
decomposes
【Stability】
Stable, but moisture sensitive. Highly flammable. Incompatible with water, strong acids, strong oxidizing agents.
【HS Code】
29310095
【Storage temp】
2-8°C
【Computed Properties】
Molecular Weight:136.22178 [g/mol]
Molecular Formula:C4H12O3Si
H-Bond Donor:0
H-Bond Acceptor:3
Rotatable Bond Count:3
Exact Mass:136.055571
MonoIsotopic Mass:136.055571
Topological Polar Surface Area:27.7
Heavy Atom Count:8
Formal Charge:0
Complexity:54
Isotope Atom Count:0
Defined Atom Stereocenter Count:0
Undefined Atom Stereocenter Count:0
Defined Bond Stereocenter Count:0
Undefined Bond Stereocenter Count:0
Covalently-Bonded Unit Count:1
Effective Rotor Count:3
Conformer Sampling RMSD:0.6
CID Conformer Count:3

Safety and Handling

【Hazard Codes】
F:Flammable
【Risk Statements】
R11
【Safety Statements 】
S16
【HazardClass】
3
【Safety】

Mildly toxic by ingestion. A skin and eye irritant. When heated to decomposition it emits acrid smoke and fumes.
Hazard Codes:?FlammableF
Risk Statements: 11?
R11:Highly flammable.
Safety Statements: 16?
S16:Keep away from sources of ignition.
RIDADR: UN 1993 3/PG 2
WGK Germany: 3
RTECS: VV4650000
HazardClass: 3
PackingGroup of Methyltrimethoxysilane (CAS NO.1185-55-3): II

【PackingGroup 】
II
【Sensitive】
Moisture Sensitive
【Transport】
UN 1993
【Specification】

? Methyltrimethoxysilane (CAS NO.1185-55-3), its Synonyms are Silane, methyltrimethoxy- ; Silane, trimethoxymethyl- ; Trimethoxymethylsilane ; Union carbide A-163 . It is colorless clear liquid.

【Report】

Reported in EPA TSCA Inventory.

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