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Hexamethyldisilane

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Hexamethyldisilane molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 3 grades and pack sizes of Hexamethyldisilane (CAS 1450-14-2). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS1450-14-2
Molecular formulaC6H18Si2
Molecular weight146.38 g/mol
IUPAC nametrimethyl(trimethylsilyl)silane
SynonymsDisilane, hexamethyl- · Permethyldisilane · Disilane, 1,1,1,2,2,2-hexamethyl- · A7HH2E9DUB · RefChem:786204 · trimethyl(trimethylsilyl)silane
Safety & Hazards (GHS) Danger
Flammable Flammable Irritant Irritant Health hazard Health hazard
  • H225 Highly Flammable liquid and vapor
  • H319 Causes serious eye irritation
  • H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
  • H335 May cause respiratory irritation

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma HEXAMETHYLDISILANE, 98% 217069-10G
217069-50G
217069-5G		 Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.