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87682

Sigma-Aldrich

Tetramethyl orthosilicate

purum, ≥98.0% (GC)

Synonym(s):

Tetramethoxysilane

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250 ML
$216.90
1 L
$666.00

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250 ML
$216.90
1 L
$666.00

About This Item

Linear Formula:
Si(OCH3)4
CAS Number:
Molecular Weight:
152.22
Beilstein/REAXYS Number:
1699658
EC Number:
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.23

$216.90

List Price$241.00Save 10%

In StockDetails


Request a Bulk Order

vapor density

5.25 (vs air)

Quality Level

vapor pressure

13 hPa ( 20 °C)

grade

purum

assay

≥98.0% (GC)

form

liquid

refractive index

n20/D 1.368 (lit.)
n20/D 1.368

bp

121-122 °C (lit.)

mp

−4 °C (lit.)

density

1.023 g/mL at 25 °C (lit.)

SMILES string

CO[Si](OC)(OC)OC

InChI

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

InChI key

LFQCEHFDDXELDD-UHFFFAOYSA-N

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Application

Used in the sol-gel synthesis of chromium-doped silicates and in the formation of hexagonal mesoporous silica layers.

signalword

Danger

Hazard Classifications

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

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

78.8 °F - closed cup

flash_point_c

26 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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