Definition
US FDA substance register · UNII 591T7CV38X · registered name AMMONIUM THIOLACTATE · single chemical substance
Cosmetic roles
Curls or straightens hairHAIR WAVING OR STRAIGHTENINGReduces other ingredientsREDUCINGDissolves hair to remove itDEPILATORY
Safety & regulatory references
Other restriction: ban substances that deplete the ozone layer
Source: EU CosIng ingredient list
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name チオ乳酸アンモニウム: 本品は、チオ乳酸（＊）のアンモニウム塩であり、次の化学式で表される。
Source: JCIA labelling names (Japan)
Names & identifiers
AMMONIUM THIOLACTATEINCI암모늄티오락테이트Korean label name (MFDS standard)Propanoic acid, 2-mercapto-, ammonium salt (1:1)Synonymチオ乳酸アンモニウムJapanese labelling name
- CAS No.chemical registry number
- 13419-67-5
- EC No.EU chemical inventory number
- 236-526-4
- DTXSIDUS EPA chemical ID
- DTXSID50928508
- DTXCIDUS EPA compound ID
- DTXCID701357275
- IUPAC
- 2-Sulfanylpropanoic acid--ammonia (1/1)
- Molecular formula
- C3H9NO2S
- Molecular weight
- 123.17 g/mol
What products actually use it for
What the 3 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.
- Depilatory (EPA)1
- Hair waving or straightening (EPA)1
- Reducing agent1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
1 skin studies and 0 eye studies are on record.
Classed as moderate1
The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.
See all 1 studies
- SkinSens1
Skin Sensitization · QSAR Predicted
Source: US EPA CompTox dashboard
Related literature
Linked databases 13
- Australian Industrial Chemicals Inventory (AICIS)
- China inventory of existing ingredients (IECIC)
- EU CosIng ingredient list 2
- JCIA labelling names (Japan)
- Korea Cosmetic Association ingredient dictionary
- MFDS (Korea) cosmetic ingredient register 2
- Tlooto literature search
- UniChem cross-reference IDs
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata