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Tetramethyl orthosilicate

Catalog No. 87680 Name Sigma Aldrich
CAS Number 681-84-5 Website http://www.sigmaaldrich.com
M. F. C4H12O4Si Telephone 1-800-521-8956
M. W. 152.22118 Fax
Purity ≥99.0% (GC) Email
Storage Chembase ID: 129805

SYNONYMS

Title
硅酸甲酯
IUPAC name
tetramethyl silicate
IUPAC Traditional name
tetramethyl orthosilicate
Synonyms
Tetramethoxysilane
四甲氧基硅烷

DATABASE IDS

EC Number 211-656-4
MDL Number MFCD00008341
Beilstein Number 1699658
CAS Number 681-84-5

PROPERTIES

Grade puriss.
Linear Formula Si(OCH3)4
Purity ≥99.0% (GC)
Apperance liquid
Boiling Point 121-122 °C(lit.)
Density 1.023 g/mL at 25 °C(lit.)
Flash Point 26 °C
Flash Point 78.8 °F
Melting Point -4 °C(lit.)
Refractive Index n20/D 1.368(lit.)
Refractive Index n20/D 1.368
Vapor Density 5.25 (vs air)
Vapor Pressure 3.35 psi ( 20 °C)
GHS Pictograms GHS02
GHS Pictograms GHS05
GHS Pictograms GHS06
GHS Signal Word Danger
GHS Hazard statements H226-H315-H318-H330-H335
European Hazard Symbols Highly toxic Highly toxic (T+)
MSDS Link Download
Personal Protective Equipment Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
GHS Precautionary statements P260-P280-P284-P305 + P351 + P338-P310
RID/ADR UN 2606 6.1/PG 1
Risk Statements 10-26-37/38-41
RTECS VV9800000
Safety Statements 16-26-36/37/39-45
Hazard Class 6.1
UN Number 2606
Packing Group 1
German water hazard class 3

DETAILS

Description (English)
Application
Used in the sol-gel synthesis of chromium-doped silicates1 and in the formation of hexagonal mesoporous silica layers.2
Description (简体中文)
Application
用于掺铬硅酸盐的溶胶-凝胶合成1以及六方介孔氧化硅层的形成。2

REFERENCES