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LC1872 1-Dodecanethiol
for tenside tests


Order number Packaging Quantity Price €
AC28872 Glass bottle 250 ml 13.23
AC28872 Glass bottle 1 l 42.08
AC28872 Plastic container 10 l Inquire


Product information
Synonyms Lauryl mercaptan, Dodecyl mercaptan
Hill Formula C12H26S
Chemical formula CH3(CH2)11SH
HS Code 2930 90 99
EC number 203-984-1
Molar mass 202.39 g/mol
CAS number 112-55-0


Chemical and physical data
Ignition temperature 230 °C
Solubility < – 1 g/l (22 °C)
Melting point -7 °C
Molar mass 202.39 g/mol
Density 0.845 g/cm3 (20 °C)
Boiling point 275 °C (1013 hPa)
Vapor pressure 0.002 hPa (20 °C)
Flash point 127 °C
Refractive index 1.4587 (20 °C, 589 nm)


Safety information according to GHS
Hazard Statement(s) H315: Causes skin irritation.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
Precautionary Statement(s) P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
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)
Storage class 10 Combustible liquids not in Storage Class 3
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.


Safety information
R Phrase R 36/37/38
Irritating to eyes, respiratory system and skin.
S Phrase S 26-28
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.After contact with skin, wash immediately with plenty of water.
Categories of danger irritant
Hazard Symbol Irritant


Transport information
Declaration (transport by sea) IMDG-Code No Dangerous Good
Declaration (transport by air) IATA-DGR UN 3334 AVIATION REGULATED LIQUID, N.O.S.(DODECANETHIOL-1), 9,


Toxicological data
LD 50 oral LD50 rat > 2000 mg/kg


Assay (GC, area%) ≥ 98 %
Density (d 20 °C/ 4 °C) 0.844 – 0.846
Identity (IR) passes test