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LC1873 tert-Dodecanethiol (mixture of isomers)
for synthesis


Order number Packaging Quantity Price €
AC28873 Glass bottle 250 ml 16.2
AC28873 Glass bottle 1 l 45


Product information
Synonyms Lauryl mercaptan, Dodecyl mercaptan
Hill Formula C12H26S
HS Code 2930 90 99
EC number 246-619-1
Molar mass 202.4 g/mol
CAS number 25103-58-6


Chemical and physical data
Ignition temperature 350 °C
Solubility 0.025 g/l (20 °C)
Melting point -45 °C
Molar mass 202.4 g/mol
Density 0.856 g/cm3 (20 °C)
Boiling point 233 °C
Vapor pressure 1.33 hPa (25.5 °C)
Flash point 98 °C


Safety information according to GHS
Hazard Statement(s) H315: Causes skin irritation.
H319: Causes serious eye irritation.
Precautionary Statement(s) P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word Warning
Hazard Pictogram(s)
RTECS JR3150000
Storage class 10 Combustible liquids not in Storage Class 3
WGK WGK 2 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.


Safety information
R Phrase R 36/38
Irritating to eyes and skin.
Categories of danger irritant
Hazard Symbol Irritant


Transport information
Declaration (transport by sea) IMDG-Code UN 3082 ENVIRONMENTALLY HAZARDOUS SUBSTANCE, LIQUID, N.O.S.(TERT-DODECANETHIOL), 9, III, Marine Pollutant: P


Toxicological data
LD 50 oral LD50 rat 6800 mg/kg
LD 50 dermal LD50 rabbit 12600 mg/kg


Assay (of S) ≥ 98 %
Density (d 20 °C/ 4 °C) 0.853 – 0.858
Identity (IR) passes test