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Alfa Aesar™ Tris(trimethylsilyl)silane, 97%

Chemical Identifiers

Chemical Name or Material Tris(trimethylsilyl)silane
CAS 1873-77-4
Molecular Formula [(CH3)3Si]3SiH
Formula Weight 248.67g/mol
MDL Number MFCD00077893
UN Number UN1993
Beilstein 1923953
Merck Index 14,9757
Synonym TTMSS
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAB2245703

 
alfa aesar™
B22457-03
1g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAB2245706

 
alfa aesar™
B22457-06
5g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAB2245714

 
alfa aesar™
B22457-14
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.
Description & Specifications

Specifications

Boiling Point 82° to 84°C (12mmHg)
Quantity 1g
Flash Point 55°C (131°F)
Chemical Name or Material Tris(trimethylsilyl)silane
CAS 1873-77-4
Assay 97%
Molecular Formula [(CH3)3Si]3SiH
Formula Weight 248.67g/mol
MDL Number MFCD00077893
UN Number UN1993
Beilstein 1923953
Merck Index 14,9757
Synonym TTMSS
Health Hazard 1 Warning
Health Hazard 2 GHS H Statement
H226-H315-H319-H335
Flammable liquid and vapour.
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
Health Hazard 3 GHS P Statement
P210-P261-P303+P361+P353-P305+P351+P338-P405-P501a
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
Avoid breathing dust/fume/gas/mist/vapors/spray.
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.
DOT Information Transport Hazard Class: 3; Packing Group: II; Proper Shipping Name: FLAMMABLE LIQUIDS, N.O.S.

Applications
Tris(trimethylsilyl)silane is used in hydrosilylations of carbonyls, radical reactions, reductions of acid chlorides, and carbon-halogen bonds. It acts a mediator of radical reactions and considered to be a nontoxic substitute for tri-n-butylstannane in radical reactions. It forms complexes with transition metals and main group elements. Further, it is utilized in carbon-carbon bond forming reactions.

Solubility
Miscible with pentane, ether, toluene and tetrahydrofuran. Sparingly miscible with acetone and acetonitrile. Immiscible with water.

Notes
Light sensitive. Incompatible with strong oxidizing agents.

Safety and Handling

Warning

GHS P Statement
P210-P261-P303+P361+P353-P305+P351+P338-P405-P501a
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
Avoid breathing dust/fume/gas/mist/vapors/spray.
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.

GHS H Statement
H226-H315-H319-H335
Flammable liquid and vapour.
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.