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Alfa Aesar™ Tetramethoxysilane, 98%

Chemical Identifiers

Chemical Name or Material Tetramethoxysilane
CAS 681-84-5
Molecular Formula C4H12O4Si
Formula Weight 152.22
MDL Number MFCD00008341
UN Number UN2606
Beilstein 1699658
Synonym Tetramethyl orthosilicate
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAL0971622

  SDS
alfa aesar™
L0971622
100g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAL0971614

  SDS
alfa aesar™
L0971614*
25g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAL0971636

  SDS
alfa aesar™
L0971636
500g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
Description & Specifications

Specifications

Chemical Name or Material Tetramethoxysilane
CAS 681-84-5
Health Hazard 1 Danger
Health Hazard 2 GHS H Statement
H330-H318-H226-H315-H335
Fatal if inhaled.
Causes serious eye damage.
Flammable liquid and vapor.
Causes skin irritation.
May cause respiratory irritation.
Health Hazard 3 GHS P Statement
P210-P303+P361+P353-P304+P340-P305+P351+P338-P320-P405-P501a
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Specific treatment is urgent (see label).
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.
DOT Information Transport Hazard Class: 6.1; Packing Group: I; Proper Shipping Name: METHYL ORTHOSILICATE
RTECS Number VV9800000
TSCA TSCA
Assay 98%
Molecular Formula C4H12O4Si
Formula Weight 152.22
MDL Number MFCD00008341
UN Number UN2606
Beilstein 1699658
Synonym Tetramethyl orthosilicate
Odor Ether-like
Boiling Point 121° to 122°C
Melting Point 4° to 5°C
Quantity 100g
Flash Point 26°C (78°F)

Applications
Tetramethoxysilane is used in corrosion resistant coatings and in catalysts. It is also used in the production of silicone. Further, it is employed in the sol-gel synthesis of chromium-doped silicates and in the formation of hexagonal mesoporous silica layers. In addition, it is used in synthetic chemistry to prepare ketals and acetals from ketones and aldehydes respectively.

Solubility
Miscible with ethanol and organic solvents. Immiscible with water.

Notes
Moisture sensitive. Incompatible with oxidizing agents, acids and bases.

Safety and Handling

Danger

GHS P Statement
P210-P303+P361+P353-P304+P340-P305+P351+P338-P320-P405-P501a
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Specific treatment is urgent (see label).
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.

GHS H Statement
H330-H318-H226-H315-H335
Fatal if inhaled.
Causes serious eye damage.
Flammable liquid and vapor.
Causes skin irritation.
May cause respiratory irritation.