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Key Documents

8.18819

Sigma-Aldrich

Triethoxymethylsilane

for synthesis

Synonym(s):

Triethoxymethylsilane, Methyltriethoxysilane, MTES

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About This Item

Linear Formula:
(C2H5O)3SiCH3
CAS Number:
2031-67-6
Molecular Weight:
178.30
MDL number:
MFCD00009066
UNSPSC Code:
12352103
EC Index Number:
217-983-9
NACRES:
NA.22

vapor pressure

13.3 hPa ( 20 °C)

Quality Level

200

Assay

≥97.0% (GC)

form

liquid

autoignition temp.

220 °C

potency

15700 mg/kg LD50, oral (Rat)

bp

142 °C/1013 hPa

mp

<-40 °C

transition temp

flash point 33 °C

density

0.89 g/cm3 at 20 °C

InChI

1S/C7H18O3Si/c1-5-8-11(4,9-6-2)10-7-3/h5-7H2,1-4H3

InChI key

CPUDPFPXCZDNGI-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 97.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.894 - 0.896
Identity (IR): passes test

Pictograms

Flame
GHS02

Signal Word

Warning

Hazard Statements

H226

Hazard Classifications

Flam. Liq. 3

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

93.2 °F - closed cup

Flash Point(C)

34 °C - closed cup

Certificates of Analysis (COA)

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