C6H18Si2
146.38 g/mol
Industrial ChemicalDanger
Hexamethyldisilane
CAS1450-14-2EC215-911-0
Category
Industrial Chemical
Compound Class
Organometallic
Primary Use
Chemical intermediate
Hexamethyldisilane is an organosilicon compound used as a chemical intermediate in industrial and laboratory settings. It consists of two silicon atoms each bonded to three methyl groups, with a silicon-silicon bond.
Chemical intermediate
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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Safety Reference
Danger
H225Highly flammable liquid and vapour
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H335May cause respiratory irritation
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for Hexamethyldisilane (CAS 1450-14-2) is 2931.90.
HS code (international, 6-digit)
2931.90
EU CN code (8-digit)
2931 90 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
trimethyl(trimethylsilyl)silane
InChIKey
NEXSMEBSBIABKL-UHFFFAOYSA-N
SMILES
C[Si](C)(C)[Si](C)(C)C
Synonyms (8)
- Disilane, hexamethyl-
- Hexamethyldisilane
- Permethyldisilane
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