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LC938 1-Butanethiol
for synthesis


Order number Packaging Quantity Price €
AC27938 Glass bottle 100 ml 14.31
AC27938 Glass bottle 500 ml 23.625


Product information
Synonyms Butyl mercaptan
Hill Formula C4H10S
Chemical formula CH3(CH2)3SH
HS Code 2930 90 99
EC number 203-705-3
Molar mass 90.18 g/mol
CAS number 109-79-5


Chemical and physical data
Solubility 0.597 g/l (20 °C)
Melting point -116 °C
Molar mass 90.18 g/mol
Density 0.84 g/cm3 (20 °C)
Boiling point 97 – 99 °C
Vapor pressure 61 hPa (25 °C)
Explosion limit 1.4 – 11.3 %(V)
Flash point 12 °C
Refractive index 1.4425 (20 °C, 589 nm)


Safety information
R Phrase R 11-20/22
Highly flammable.Harmful by inhalation and if swallowed.
S Phrase S 16
Keep away from sources of ignition – No smoking.
Categories of danger highly flammable, harmful
Hazard Symbol Flammable
RTECS EK6300000
Storage class 3 Flammable Liquids
WGK WGK 3 highly water endangering
Disposal 6
Sulfides and sulfites as well as other reducing substances, inorganic cyanides and isonitriles: Stir into sodium hypochlorite solution (Cat. No. 105614) and, if necessary, leave to react for several days. Caution: some substances may show a violent reaction! Draw off any toxic or flammable gases that may be formed. Excess oxidant should be neutralized with sodium thiosulfate (Cat. No. 106513). Container D or E.


Transport information
Declaration (transport by sea) IMDG-Code UN 2347 BUTYL MERCAPTANS, 3, II
Declaration (transport by air) IATA-DGR UN 2347 BUTYL MERCAPTAN, 3, II


Toxicological data
LD 50 oral LD50 rat 1500 mg/kg


Assay (GC, area%) ≥ 98 %
Density (d 20 °C/ 4 °C) 0.840 – 0.842
Identity (IR) passes test


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