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Butanethiol

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Butanethiol molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 4 grades and pack sizes of Butanethiol (CAS 109-79-5). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS109-79-5
Molecular formulaC4H10S
Molecular weight90.18 g/mol
IUPAC namebutane-1-thiol
Synonyms1-Butanethiol · butane-1-thiol · BUTYL MERCAPTAN · n-Butyl mercaptan · Thiobutyl alcohol · Butylthiol
Safety & Hazards (GHS) Danger
Flammable Flammable Irritant Irritant
  • H225 Highly Flammable liquid and vapor
  • H302 Harmful if swallowed
  • H319 Causes serious eye irritation
  • H332 Harmful if inhaled

⚠️ 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 1-BUTANETHIOL, 99% 112925-1L
112925-250ML		 Request Quote
Sigma 1-BUTANETHIOL, >=98% W347809-1KG-K
W347809-SAMPLE-K		 Request Quote

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