C4H6O5
134.09 g/mol
Food AdditiveDanger
D-(+)-malic acid
CAS636-61-3EC211-262-2
Category
Food Additive
Compound Class
Organic Acid
Primary Use
food additive and buffering agent
D-(+)-malic acid is an optically active form of malic acid with the (R)-configuration. It is commonly used as a food additive and buffering agent, as well as an intermediate in various industrial processes.
food additivebuffering agentchelating 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
ApplicationSame Use
Disodium succinate
CAS150-90-3
food additive and buffering agent
ApplicationSame Use
Dipotassium succinate trihydrate
CAS6100-18-1
food additive and buffering agent
ApplicationSame Use
Dibasic dihydratesodium phosphate
CAS10028-24-7
food additive and buffering agent
ApplicationSame Use
Dibasic dodecahydratesodium phosphate
CAS10039-32-4
food additive and buffering agent
ReferenceSame Category
Maltose monohydrate
CAS6363-53-7
Nutrient and sweetener
ReferenceSame Category
Sodium erythorbate
CAS6381-77-7
Antioxidant and preservative
ReferenceSame Category
Acetic acid
CAS64-19-7
active component of vinegar
ReferenceSame Category
1D-chiro-inositol
CAS643-12-9
nutritional supplement and food additive
Safety Reference
Danger
H315Causes skin irritation
H318Causes serious eye damage
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for D-(+)-malic acid (CAS 636-61-3) is 2918.19.
HS code (international, 6-digit)
2918.19
EU CN code (8-digit)
2918 19 98
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
(2R)-2-hydroxybutanedioic acid
InChIKey
BJEPYKJPYRNKOW-UWTATZPHSA-N
SMILES
C([C@H](C(=O)O)O)C(=O)O
Synonyms (26)
- (+)-Malic acid
- (2R)-2-Hydroxysuccinic acid
- (R)-2-Hydroxysuccinic acid
- (R)-2-hydroxybutanedioic acid
- (R)-Hydroxybutanedioic acid
- (R)-malate
- (R)-malic acid
- (r)-(+)-hydroxysuccinic acid
- 2-HYDROXY-SUCCINIC ACID
- ApfelsA currencyure
- D-(+)-Apple Acid
- D-(+)-Malic acid (Standard)
- D-(+)-malic acid
- D-Hydroxybutanedioic acid
- D-malate
- Hydroxy-(R)-Butanedioic acid
- L(+)-Malic acid
- Malic acid D-(+)-form
- Malic acid, D-
- Malic acid, L(+)-
- Ornidazole Impurity 6
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