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Merck

8.14651

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
UNSPSC Code:
12352103
EC Index Number:
211-656-4
NACRES:
NA.22
MDL number:
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vapor pressure

18 hPa ( 25 °C)

Quality Segment

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

SMILES string

[Si](OC)(OC)(OC)OC

InChI

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

InChI key

LFQCEHFDDXELDD-UHFFFAOYSA-N

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.


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Danger

Hazard Classifications

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

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

78.8 °F - closed cup

flash_point_c

26 °C - closed cup


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Poisonous substance

pdsc

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

Group 4: Flammable liquids + Type 2 petroleums + Hazardous rank III + Water insoluble liquid

fsl



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