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LC2496 Ethyl thioglycolate
for synthesis


Order number Packaging Quantity Price €
AC29496 Glass bottle 250 ml 33.75


Product information
Synonyms Thioglycolic acid ethyl ester, Mercaptoacetic acid ethyl ester, Ethyl mercaptoacetate
Hill Formula C4H8O2S
Chemical formula HSCH2COOC2H5
HS Code 2930 90 99
EC number 210-800-3
Molar mass 120.16 g/mol
Storage Store below +15°C.
CAS number 623-51-8


Chemical and physical data
Ignition temperature
Solubility (20 °C) insoluble
Melting point -80 °C
Molar mass 120.16 g/mol
Density 1.10 g/cm3 (20 °C)
Boiling point 156 – 159 °C
Vapor pressure 23 hPa (55 °C)
Flash point 47 °C
Refractive index 1.4571 (20 °C, 589 nm)



Safety information
R Phrase R 25-36/37/38-43
Toxic if swallowed.Irritating to eyes, respiratory system and skin.May cause sensitization by skin contact.
S Phrase S 24-26-37-45
Avoid contact with skin.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable gloves.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Categories of danger toxic, irritant, sensitizing
Hazard Symbol
Storage class 6.1A Combustible substances, toxic
WGK WGK 1 slightly 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 3071 MERCAPTANS, LIQUID, TOXIC, FLAMMABLE, N.O.S.(ETHYL THIOGLYCOLATE), 6.1 (3), II
Declaration (transport by air) IATA-DGR UN 3071 MERCAPTANS, LIQUID, TOXIC, FLAMMABLE, N.O.S.(ETHYL THIOGLYCOLATE), 6.1 (3), II


Toxicological data
LD 50 oral LD50 rat 178 mg/kg


Assay (GC, area%) ≥ 98 %
Density (d 20 °C/ 4 °C) 1.092 – 1.095
Identity (IR) passes test



≥ 115 °C