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Alfa Aesar™ 1,1,3,3-Tetramethyldisiloxane, 97%

Chemical Identifiers

Chemical Name or Material 1,1,3,3-Tetramethyldisiloxane
CAS 3277-26-7
Molecular Formula C4H14OSi2
Formula Weight 134.33g/mol
MDL Number MFCD00008256
UN Number UN1993
Beilstein 1733364
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAB2369714

 
alfa aesar™
B23697-14
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.

AAB2369722

 
alfa aesar™
B23697-22
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.

AAB2369736

 
alfa aesar™
B23697-36
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

Odor Characteristic
Boiling Point 70° to 71°C
Melting Point −78°C
Quantity 25g
Flash Point −26°C (−15°F)
Chemical Name or Material 1,1,3,3-Tetramethyldisiloxane
CAS 3277-26-7
Assay 97%
Molecular Formula C4H14OSi2
Formula Weight 134.33g/mol
MDL Number MFCD00008256
UN Number UN1993
Beilstein 1733364
Health Hazard 1 Danger
Health Hazard 2 GHS H Statement
H225
Highly flammable liquid and vapour.
Health Hazard 3 GHS P Statement
P210-P243-P403+P233
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
Take precautionary measures against static discharge.
Store in a well-ventilated place.
Keep container tightly closed.
DOT Information Transport Hazard Class: 3; Packing Group: II; Proper Shipping Name: FLAMMABLE LIQUIDS, N.O.S.
RTECS Number JN1000000
TSCA TSCA

Applications
1,1,3,3-Tetramethyldisiloxane is used as a monomer in the production of silicone polymers or silicone resins. It is used as a precursor to prepare other organosilicon compounds. It is also utilized in non-aqueous polymer preparation as well as a laboratory reagent.

Solubility
It reacts with water to produce dimethylsilanol, dimethylsilanediol and hydrogen gas.

Notes
Moisture sensitive. Keep away from sources of ignition. Store in cool place.

Safety and Handling

Danger

GHS P Statement
P210-P243-P403+P233
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
Take precautionary measures against static discharge.
Store in a well-ventilated place.
Keep container tightly closed.

GHS H Statement
H225
Highly flammable liquid and vapour.