C4H6O6
150.09 g/mol
Food AdditiveDanger
2,3-Dihydroxybutanedioic acid
CAS133-37-9EC610-885-0
Category
Food Additive
Compound Class
Organic Acid
Primary Use
Acidity regulator and synergist for antioxidants
2,3-Dihydroxybutanedioic acid is a dicarboxylic acid used as a food additive. Its primary function is to regulate acidity and enhance the effectiveness of antioxidants in food products.
Acidity regulator in food productsSynergist for antioxidants
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
Tartaric acid
CAS526-83-0
acidulant and flavoring agent
ReferenceSame Category
Sorbitan monostearate
CAS1338-41-6
emulsifier and stabilizer in foods
ReferenceSame Category
Sorbitan monooleate
CAS1338-43-8
Nonionic surfactant emulsifier
ReferenceSame Category
Sodium ascorbate
CAS134-03-2
antioxidant in foods and medication
ReferenceSame Category
N-ribosylnicotinamide
CAS1341-23-7
Vitamin B3 precursor
Referencestereoisomer of
D-tartaric acid
CAS147-71-7
Synergist for antioxidants and flavoring agent
Referencestereoisomer of
Ammonium bitartrate
CAS3095-65-6
food acidity regulator
Referencestereoisomer of
Ammonium (R)-tartrate
CAS3164-29-2
food additive and buffering agent
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 133-37-9) 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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