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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 134.33
MDL Number MFCD00008256
UN Number UN1993
Beilstein 1733364
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAB2369714

  SDS
alfa aesar™
B2369714
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

  SDS
alfa aesar™
B2369722
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

  SDS
alfa aesar™
B2369736
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

Formula Weight 134.33
MDL Number MFCD00008256
CAS 3277-26-7
Boiling Point 70° to 71°C
Odor Characteristic
UN Number UN1993
Quantity 25g
Chemical Name or Material 1,1,3,3-Tetramethyldisiloxane
Beilstein 1733364
DOT Information Transport Hazard Class: 3; Packing Group: II; Proper Shipping Name: FLAMMABLE LIQUIDS, N.O.S.
Assay 97%
Health Hazard 1 Danger
RTECS Number JN1000000
Flash Point −26°C (−15°F)
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.
TSCA TSCA
Molecular Formula C4H14OSi2
Melting Point −78°C
Health Hazard 2 GHS H Statement
H225
Highly flammable liquid and vapour.

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.