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

Product Code	Brand	Quantity	Packaging
10711301	Thermo Scientific Acros 216510250	25 mL	Glass bottle
10175030	Thermo Scientific Acros 216511000	100 mL	Glass bottle
11965821	Thermo Scientific Acros 216515000	500 mL	Glass bottle

Description

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

Reduction reagent

Chemical Identifiers

• CAS: 3277-26-7
• Molecular Weight (g/mol): 134.33
• 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
• IUPAC Name: dimethylsilylideneoxonio(dimethyl)silanide

• Molecular Formula: C₄H₁₄OSi₂
• InChI Key: KWEKXPWNFQBJAY-UHFFFAOYSA-N
• PubChem CID: 6327482
• SMILES: C[Si-](C)[O+]=[Si](C)C

Specifications

• Boiling Point: 70.0°C to 71.0°C
• CAS: 3277-26-7
• Physical Form: Liquid
• Molecular Formula: C₄H₁₄OSi₂
• Flash Point: −20°C
• Solubility Information: Solubility in water: decomposes. Other solubilities: decomposes with alcohol
• SMILES: C[Si-](C)[O+]=[Si](C)C
• Molecular Weight (g/mol): 134.33
• Formula Weight: 134.33
• Infrared Spectrum: Authentic
• Specific Gravity: 0.76
• Chemical Name or Material: 1,1,3,3-Tetramethyldisiloxane

• Melting Point: -78.0°C
• Color: Colorless
• Assay Percent Range: 97%
• Linear Formula: [(CH₃)₂SiH]₂O
• 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
• InChI Key: KWEKXPWNFQBJAY-UHFFFAOYSA-N
• IUPAC Name: dimethylsilylideneoxonio(dimethyl)silanide
• PubChem CID: 6327482
• Percent Purity: 97%
• Refractive Index: 1.3690 to 1.3710
• Density: 0.7600g/mL

Safety and Handling

GHS H Statement
Highly flammable liquid and vapor.

GHS P Statement
Keep away from heat/sparks/open flames/hot surfaces.
- No smoking.
IF ON SKIN (or hair): Take off immediately all contaminated clothing.
Rinse skin with water/shower.
Store in a well-ventilated place.
Keep contai

GHS Signal Word: Danger

missing translation for 'einecsNumber' : 221-906-4

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.

RUO – Research Use Only