C2H4O2S
92.12 g/mol
cosmetic_ingredientDanger
Mercaptoacetic acid
CAS68-11-1EC200-677-4
Category
cosmetic_ingredient
Compound Class
Organic Acid
Primary Use
Depilatory and permanent wave agent
Thioglycolic acid is a colorless liquid with an unpleasant odor. It is primarily used in the formulation of permanent wave solutions and depilatory products due to its ability to break disulfide bonds in hair.
Manufacture of permanent wave solutionsFormulation of depilatoriesProduction of drugs and other chemicals
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
Acetyl proline
CAS68-95-1
cosmetic ingredient
ReferenceSame Category
N-octyl salicylate
CAS6969-49-9
UV filter in personal care
ReferenceSame Category
Hydroxyphenyl propamidobenzoic acid
CAS697235-49-7
cosmetic ingredient for skin care
ReferenceSame Category
Retinyl propionate
CAS7069-42-3
cosmetic ingredient for personal care
Referencestereoisomer of
Calcium thioglycolate
CAS814-71-1
Depilatory and hair-waving agent
Safety Reference
Danger
H301Toxic if swallowed
H311Toxic in contact with skin
H314Causes severe skin burns and eye damage
H331Toxic if inhaled
H317May cause an allergic skin reaction
H318Causes serious eye damage
H330Fatal if inhaled
H332Harmful if inhaled
H370Causes damage to organs
H373May cause damage to organs through prolonged or repeated exposure
H402Harmful to aquatic life
H312Harmful in contact with skin
H412Harmful to aquatic life with long lasting effects
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for Mercaptoacetic acid (CAS 68-11-1) is 2930.90.
HS code (international, 6-digit)
2930.90
EU CN code (8-digit)
2930 90 95
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2-sulfanylacetic acid
InChIKey
CWERGRDVMFNCDR-UHFFFAOYSA-N
SMILES
C(C(=O)O)S
Synonyms (34)
- 2-Mercaptoacetate
- 2-Mercaptoacetic acid
- 2-Thioglycolic acid
- 2-mercaptoethanoic acid
- 2-sulfanylacetic acid
- Acetic acid, 2-mercapto-
- Acetic acid, mercapto-
- Acide thioglycolique
- Acide thioglycolique [French]
- Glycolic acid, 2-thio-
- Glycolic acid, thio-
- Kyselina merkaptooctova
- Kyselina thioglykolova
- Mercaptoessigsaeure
- Mercaptoethanoic acid
- Merkaptoessigsaeure
- Sulfanylacetic acid
- THIOGLYCOLLIC ACID [MART.]
- Thioglycolic Acid (~90%)
- Thioglycolic acid, LR, ~80%
- Thioglycollic acid
- Thioglykolsaeure
- Thiovanic acid
- USAF CB-35
- alpha-Mercaptoacetic acid
- mercaptoacetic acid
- mercaptoactic acid
- thioglycolic acid
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