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8.14651

Sigma-Aldrich

Tetramethyl orthosilicate

for synthesis

Synonym(s):

Tetramethyl orthosilicate

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About This Item

Empirical Formula (Hill Notation):
C4H12O4Si
CAS Number:
Molecular Weight:
152.22
MDL number:
UNSPSC Code:
12352103
EC Index Number:
211-656-4
NACRES:
NA.22

vapor pressure

18 hPa ( 25 °C)

Quality Level

Assay

≥98.0% (GC)

form

liquid

autoignition temp.

245 °C

potency

17510 mg/kg LD50, skin (Rabbit)

expl. lim.

0.88-23.8 % (v/v)

bp

122 °C/1013 hPa

mp

3 °C

transition temp

flash point 26 °C

density

1.03 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C4H12O4Si/c1-5-9(6-2,7-3)8-4/h1-4H3

InChI key

LFQCEHFDDXELDD-UHFFFAOYSA-N

Related Categories

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.030 - 1.035
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 1 Inhalation - Eye Dam. 1 - Flam. Liq. 3 - Skin Irrit. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

78.8 °F - closed cup

Flash Point(C)

26 °C - closed cup

Regulatory Information

非剧毒-急性毒性1
危险化学品

Certificates of Analysis (COA)

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