217069

Hexamethyldisilane

98%

• Synonym(s): Permethyldisilane, Trimethyl(trimethylsilyl)silane
• Linear Formula: (Si(CH₃)₃)₂
• CAS Number: 1450-14-2
• Molecular Weight: 146.38
• Beilstein: 1633463
• EC Number: 215-911-0
• MDL number: MFCD00008258
• UNSPSC Code: 12352103
• PubChem Substance ID: 24852990
• NACRES: NA.23

Properties

• Assay: 98%
• form: liquid
• refractive index: n20/D 1.422 (lit.)
• bp: 112-114 °C (lit.)
• mp: 9-12 °C (lit.)
• density: 0.715 g/mL at 25 °C (lit.)
• SMILES string: C[Si](C)(C)[Si](C)(C)C
• InChI: 1S/C6H18Si2/c1-7(2,3)8(4,5)6/h1-6H3
• InChI key: NEXSMEBSBIABKL-UHFFFAOYSA-N

Description

Application

Silylating reagent for allylic acetates, aryl halides, and diketones. Source material for vapor deposition during silicon carbide growth.

Source material for vapor deposition during silicon carbide growth.

Safety Information

• Pictograms: GHS02,GHS07
• Signal Word: Danger
• Hazard Statements: H225,H317,H319,H335
• Precautionary Statements: P210 - P233 - P240 - P280 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Flam. Liq. 2 - Skin Sens. 1 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 3
• Flash Point(F): 21.2 °F
• Flash Point(C): -6 °C
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves