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89829

Supelco

Tetraethyl orthosilicate

analytical standard

Synonym(s):
Orthosilicic acid tetraethyl ester, TEOS, Tetraethoxysilane
Linear Formula:
Si(OC2H5)4
CAS Number:
Molecular Weight:
208.33
Beilstein:
1422225
MDL number:

Quality Level

grade

analytical standard

vapor density

7.2 (vs air)

vapor pressure

<1 mmHg ( 20 °C)

assay

≥99.0% (GC)

form

liquid

shelf life

limited shelf life, expiry date on the label

refractive index

n20/D 1.382 (lit.)
n20/D 1.382-1.384

bp

168 °C (lit.)

density

0.933 g/mL at 20 °C (lit.)

SMILES string

CCO[Si](OCC)(OCC)OCC

InChI

1S/C8H20O4Si/c1-5-9-13(10-6-2,11-7-3)12-8-4/h5-8H2,1-4H3

InChI key

BOTDANWDWHJENH-UHFFFAOYSA-N

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Application

Commonly used as a precursor to prepare xerogel
Will interact with dodecylamine in the formation of intercalation compounds of H+-magadiite and used in a study of mixed-metal bioactive glasses.

Pictograms

FlameExclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Inhalation - Eye Irrit. 2 - Flam. Liq. 3 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

113.0 °F - closed cup

Flash Point(C)

45 °C - closed cup

Certificate of Analysis

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Certificate of Origin

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