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Thioglycolic acid

Thioglycolic acid

Product Details:


Product Description

LC5744 Thioglycolic acid for synthesis


Order number Packaging Quantity Price
AC32744 Glass bottle 250 ml
AC32744 Glass bottle 1 l 27.23


Product information
Synonyms Mercaptoacetic acid, 2-Mercaptoethanoic acid
Hill Formula C2H4O2S
Chemical formula HSCH2COOH
HS Code 2930 90 99
EC number 200-677-4
Molar mass 92.11 g/mol
Storage Store at +2C to +8C.
EC index number 607-090-00-6
CAS number 68-11-1


Chemical and physical data
Solubility (20 C) soluble
Melting point -16.5 C
Molar mass 92.11 g/mol
Density 1.325 g/cm3 (20 C)
pH value 1.5 (10 g/l, H2O, 20 C)
Boiling point 220 C (1013 hPa) (decomposition)
Vapor pressure 0.1 hPa (20 C)
Flash point 126 C


Safety information according to GHS
Hazard Statement(s) H331: Toxic if inhaled.
H311: Toxic in contact with skin.
H301: Toxic if swallowed.
H314: Causes severe skin burns and eye damage.
Precautionary Statement(s) 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.
P301 + P330 + P331: IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
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 Danger
Hazard Pictogram(s)

RTECS AI5950000
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.


Safety information
R Phrase R 23/24/25-34
Toxic by inhalation, in contact with skin and if swallowed.Causes burns.
S Phrase S 25-27-28-45
Avoid contact with eyes.Take off immediately all contaminated clothing.After contact with skin, wash immediately with plenty of water.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Categories of danger toxic, corrosive
Hazard Symbol Toxic


Transport information
Declaration (transport by sea) IMDG-Code UN 1940 THIOGLYCOLIC ACID, 8, II, Segregation Group: 1 (Acids)
Declaration (transport by air) IATA-DGR UN 1940 THIOGLYCOLIC ACID, 8, II


Toxicological data
LD 50 oral LD50 rat 73 mg/kg


Assay (iodometric)  98 %
Density (d 20 C/ 4 C) 1.325 - 1.332
Identity (IR) passes test
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