C6H10O4S
178.21 g/mol
Industrial ChemicalDanger
3,3'-Thiodipropionic acid
CAS111-17-1EC203-841-3
Category
Industrial Chemical
Compound Class
Organic Acid
Primary Use
Antioxidant for polymers and fats
3,3'-Thiodipropionic acid is a dicarboxylic acid used primarily as an antioxidant in polymers, edible fats and oils, and soap products. It also finds application as a stabilizing agent in plasticizers, lubricants, pharmaceuticals, and food packaging materials.
Antioxidant for soap products and ethylene polymersPreservative and antioxidant for edible fats and oilsStabilizing agent in plasticizers, lubricants, pharmaceuticals, and food packaging
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
Sebacic acid
CAS111-20-6
Paint pigment binder and lubricating agent
ReferenceSame Category
1,5-dibromopentane
CAS111-24-0
Chemical intermediate for organic synthesis
ReferenceSame Category
Hexylamine
CAS111-26-2
organic synthesis intermediate
ReferenceSame Category
1-hexanol
CAS111-27-3
Solvent and plasticizer intermediate
Safety Reference
Danger
H318Causes serious eye damage
H319Causes serious eye irritation
H314Causes severe skin burns and eye damage
Customs Tariff Classification
The international HS code for 3,3'-Thiodipropionic acid (CAS 111-17-1) 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
3-(2-carboxyethylsulfanyl)propanoic acid
InChIKey
ODJQKYXPKWQWNK-UHFFFAOYSA-N
SMILES
C(CSCCC(=O)O)C(=O)O
Synonyms (33)
- E388
- TDPA
- 3,3'-Thiobis(propanoic acid)
- 3,3'-Thiodipropanoic acid
- 3,3'-Thiodipropionic acid
- 4-Thiaheptanedioic acid
- 4-Thiaheptanedioio acid
- Bis(2-carboxyethyl) sulfide
- INS NO.388
- Kyselina 3,3-thiodipropionova
- Propanoic acid, 3,3'-thiobis-
- Propanoic acid,3'-thiobis-
- Propionic acid, 3,3'-thiodi-
- Propionic acid,3'-thiodi-
- Sulfide, bis(2-carboxyethyl)
- THIODIPROPIONIC ACID
- Thiahydracrylic acid
- Thiobispropanoic acid
- Thiodihydracrylic acid
- Tyox A
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