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LC1910 1,2-Ethanedithiol
for synthesis


Order number Packaging Quantity Price €
AC28910 Glass bottle 100 ml 27.68
AC28910 Glass bottle 500 ml 101.7


Product information
Hill Formula C2H6S2
Chemical formula HSCH2CH2SH
HS Code 2930 90 99
EC number 208-752-3
Molar mass 94.20 g/mol
CAS number 540-63-6


Chemical and physical data
Solubility (20 °C) insoluble
Melting point -41 °C
Molar mass 94.20 g/mol
Density 1.12 g/cm3 (20 °C)
Boiling point 146 – 149 °C
Vapor pressure 5.3 hPa (23 °C)
Flash point 50 °C


Safety information according to GHS
Hazard Statement(s) H226: Flammable liquid and vapour.
H330: Fatal if inhaled.
H310: Fatal in contact with skin.
H301: Toxic if swallowed.
Precautionary Statement(s) P210: Keep away from heat/sparks/open flames/hot surfaces. – No smoking.
P271: Use only outdoors or in a well-ventilated area.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
Signal Word Danger
Hazard Pictogram(s)
RTECS KI3325000
Storage class 3 Flammable Liquids
WGK WGK 3 highly water endangering
Disposal 9
Carcinogenic compounds and flammable compounds labelled “Highly toxic” or “Toxic”: container F. Alkyl sulfates are carcinogenic; Take particular care to avoid inhalation and skin contact. To neutralize alkyl sulfates, add dropwise (from a dropping funnel) to concentrated ice-cool Ammonia solution (Cat.No. 105426) with vigorous stirring. Before placing in container D, check the pH with pH Universal indicator strips (Cat.No. 109535).


Safety information
R Phrase R 10-23/24/25
Flammable.Toxic by inhalation, in contact with skin and if swallowed.
S Phrase S 36/37-45
Wear suitable protective clothing and gloves.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Categories of danger flammable, toxic
Hazard Symbol flammable, toxic


Transport information
Declaration (transport by sea) IMDG-Code UN 1228 MERCAPTANS, LIQUID, FLAMMABLE, TOXIC, N.O.S.(1,2-ETHANDITHIOL), 3 (6.1), III
Declaration (transport by air) IATA-DGR UN 1228 MERCAPTANS, LIQUID, FLAMMABLE, TOXIC, N.O.S.(1,2-ETHANDITHIOL), 3 (6.1), III


Toxicological data
LD 50 oral LD50 rat 120 mg/kg
LD 50 dermal LD50 rabbit 197 mg/kg


Toxicological data
Assay (GC, area%) ≥ 99 %
Density (d 20 °C/ 4 °C) 1.123 – 1.125
Identity (IR) passes test