C4H6O6
150.09 g/mol
Food AdditiveDanger
2,3-Dihydroxybutanedioic acid
CAS526-83-0EC610-885-0
Category
Food Additive
Compound Class
Organic Acid
Primary Use
acidulant and flavoring agent
2,3-Dihydroxybutanedioic acid is a dicarboxylic acid with two hydroxyl groups, commonly known as tartaric acid. It is primarily used as an acidulant and flavoring agent in food and beverages.
acidulantflavoring agent
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
StrongSame Parent
Racemic acid
CAS133-37-9
Acidity regulator and synergist for antioxidants
ReferenceSame Category
D-gluconic acid
CAS526-95-4
food additive and acidity regulator
ReferenceSame Category
Sodium D-gluconate
CAS527-07-1
Food additive and chelating agent
ReferenceSame Category
Copper gluconate
CAS527-09-3
Nutritional supplement and feed additive
ReferenceSame Category
Sodium benzoate
CAS532-32-1
food preservative and pickling agent
Referencestereoisomer of
Potassium sodium L-tartrate tetrahydrate
CAS6381-59-5
Piezoelectric crystal in electronic components
Referencestereoisomer of
Potassium L-hydrogentartrate
CAS868-14-4
food acidity regulator and raising agent
Referencestereoisomer of
Disodium L-tartrate
CAS868-18-8
Food emulsifier and sequestrant
Safety Reference
Danger
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2,3-Dihydroxybutanedioic acid (CAS 526-83-0) is 2918.12.
HS code (international, 6-digit)
2918.12
EU CN code (8-digit)
2918 12 00
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
2,3-dihydroxybutanedioic acid
InChIKey
FEWJPZIEWOKRBE-UHFFFAOYSA-N
SMILES
C(C(C(=O)O)O)(C(=O)O)O
Synonyms (49)
- (.+-.)-Tartaric acid
- (2RS,3RS)-Tartaric acid
- 1,2-dicarboxylic acid
- 2,3-Dihydrosuccinic acid
- 2,3-Dihydroxybutanedioic acid
- 2,3-Dihydroxysuccinicacid
- Baros
- Butanedioic acid,3-dihydroxy-
- D(-)-TARTARIC ACID
- DL-Tartaric acid
- DL-Tartrate
- Dihydroxysuccinic acid, (DL)-
- Kyselina vinna [Czech]
- Malic acid, 3-hydroxy-
- Paratartaric aicd
- Racemic acid
- Racemic tartaric acid
- Resolvable tartaric acid
- S-Bacampicillin
- Sal tartar (Salt/Mix)
- Succinic acid,3-dihydroxy
- Tartaric acid (VAN)
- Tartaric acid D,L
- Tartaric acid, L-(+)-
- Traubensaure
- Uvic acid
- d-2,3-dihydroxysuccinic acid
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