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Safety Information

89829

Supelco

Tetraethyl orthosilicate

analytical standard

Synonym(s):

Orthosilicic acid tetraethyl ester, TEOS, Tetraethoxysilane

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About This Item

Linear Formula:
Si(OC2H5)4
CAS Number:
78-10-4
Molecular Weight:
208.33
Beilstein:
1422225
MDL number:
MFCD00009062
UNSPSC Code:
41116107

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.

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Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Warning

Hazard Statements

H226,H319,H332,H335

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

Regulatory Information

危险化学品

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Certificates of Analysis (COA)

Lot/Batch Number
BCCH9431
BCCD2949

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