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  7. 1,1,3,3-Tetramethyldisiloxane, 97%, Thermo Scientific Chemicals

1,1,3,3-Tetramethyldisiloxane, 97%, Thermo Scientific Chemicals

Product Code. 11480108
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Quantity:
25 g
100 g
500 g
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Description

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.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

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.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 3277-26-7
Molecular Formula C4H12OSi2
Molecular Weight (g/mol) 132.309
MDL Number MFCD00008256
InChI Key KWEKXPWNFQBJAY-UHFFFAOYSA-N
Synonym 1,1,3,3-tetramethyldisiloxane, tetramethyldisiloxane, dimethylsilyl ether, bis dimethylsilyl ether, bis dimethylsilyl oxide, 1,3-dihydrotetramethyldisiloxane, sym-tetramethyldisiloxane, disiloxane, tetramethyl, dsstox_cid_30574, dsstox_gsid_52010
PubChem CID 6327482
IUPAC Name dimethylsilylideneoxonio(dimethyl)silanide
SMILES C[Si-](C)[O+]=[Si](C)C

Specifications

Boiling Point 70°C to 71°C
Melting Point -78°C
Quantity 25 g
UN Number UN1993
Beilstein 1733364
Flash Point −26°C (−15°F)
Solubility Information It reacts with water to produce dimethylsilanol,dimethylsilanediol and hydrogen gas.
Formula Weight 134.33
Percent Purity 97%
Odor Characteristic
Refractive Index 1.37
Sensitivity Moisture sensitive
Density 0.76
Chemical Name or Material 1,1,3,3-Tetramethyldisiloxane
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Safety and Handling

compliance-icons
Product Identifier
  • 1,1,3,3-Tetramethyldisiloxane
 Signal Word
  • Danger
 Hazard Category
  • Flammable liquid Category 2
 Hazard Statement
  • H225-Highly flammable liquid and vapour.
 Precautionary Statement
  • P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P303+P361+P353-IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower.
  • P403+P233-Store in a well-ventilated place. Keep container tightly closed.
 Supplemental information
  • MIXTURE LIST-Contains : 1,1,3,3-Tetramethyldisiloxane

RUO – Research Use Only

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