C6H11NO7
209.15 g/mol
Food AdditiveWarning
Ammonium dihydrogen citrate
CAS4450-94-6EC224-694-1
Category
Food Additive
Compound Class
Organic Acid
Primary Use
food acidulant and buffering agent
Ammonium dihydrogen citrate is a salt-like compound derived from citric acid, commonly used as a food additive. It functions primarily as an acidulant and buffering agent to control acidity in various food products.
food acidulantbuffering 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
StrongForm Family
Monobasic ammonium phosphate
CAS7722-76-1
Fertilizer ingredient
StrongSame Parent
Monosodium citrate
CAS18996-35-5
Buffering agent and sequestrant for food
StrongStructure SimilarSimilarity 0.85
Disodium citrate
CAS144-33-2
antioxidant and acidity regulator
StrongStructure SimilarSimilarity 0.85
Diammonium citrate
CAS3012-65-5
Buffering and chelating agent
SimilarStructure SimilarSimilarity 0.75
Citric acid
CAS77-92-9
acidity regulator and preservative
SimilarStructure SimilarSimilarity 0.74
Iron(II) citrate
CAS23383-11-1
pharmaceutical raw material
ReferenceSame Category
Zinc gluconate
CAS4468-02-4
dietary supplement and food additive
ReferenceSame Category
Dimethyl dicarbonate
CAS4525-33-1
Food preservative and sterilizing agent
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H400Very toxic to aquatic life
Customs Tariff Classification
The international HS code for Ammonium dihydrogen citrate (CAS 4450-94-6) is 2918.15.
HS code (international, 6-digit)
2918.15
EU CN code (8-digit)
2918 15 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
azanium 3-carboxy-3,5-dihydroxy-5-oxopentanoate
InChIKey
BWKOZPVPARTQIV-UHFFFAOYSA-N
SMILES
C(C(=O)O)C(CC(=O)[O-])(C(=O)O)O.[NH4+]
Synonyms (5)
- AMMONIUM CITRATE, MONOBASIC
- Ammonium dihydrogen citrate
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