H6NO4P
115.03 g/mol
AgrochemicalWarning
Ammonium dihydrogen phosphate
CAS7722-76-1EC231-764-5
Category
Agrochemical
Compound Class
Inorganic Salt
Primary Use
Fertilizer ingredient
Ammonium dihydrogen phosphate is a salt-like compound primarily used as a fertilizer ingredient. It also finds application in fireproofing materials, matches, baking powder, and as a flame retardant in dry-powder extinguishers.
Fertilizer ingredientFlame retardant for paper, wood, and cellulosic materialsComponent in dry-powder fire extinguishers
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
Monobasicammonium citrate
CAS4450-94-6
food acidulant and buffering agent
StrongSame Parent
Monocalcium phosphate
CAS7758-23-8
Leavening agent and mineral supplement
StrongSame Parent
Monobasic potassium phosphate
CAS7778-77-0
buffer and sequestrant
StrongSame Parent
Sodium dihydrogen phosphate
CAS89140-32-9
pH buffer and food additive
StrongSame Parent
Monohydratemonobasiccalcium phosphate
CAS10031-30-8
Food acidulant and leavening agent
SimilarStructure SimilarSimilarity 0.78
Heptahydratedibasicsodium phosphate
CAS7782-85-6
food sequestrant emulsifier and buffer
ReferenceSame Category
4-Fluoro-3-phenoxybenzoic acid
CAS77279-89-1
agrochemical metabolite
ReferenceSame Category
Potassium nitrate
CAS7757-79-1
Pesticide active ingredient
Related Reading
Safety Reference
Warning
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for Ammonium dihydrogen phosphate (CAS 7722-76-1) is 3105.40.
HS code (international, 6-digit)
3105.40
EU CN code (8-digit)
3105 40 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 dihydrogen phosphate
InChIKey
LFVGISIMTYGQHF-UHFFFAOYSA-N
SMILES
[NH4+].OP(=O)(O)[O-]
Synonyms (36)
- ACID AMMONIUM PHOSPHATE
- Ammonium acid phosphate
- Ammonium biphosphate
- Ammonium diacid phosphate
- Ammonium dihydrogen phosphate
- Ammonium dihydrophosphate
- Ammonium monobasic phosphate
- Ammonium monophosphate
- Ammonium phosphate (NH4H2PO4)
- Ammonium phosphate, monobasic
- Ammonium phosphate, primary
- Ammonium primary phosphate
- Dihydrogen ammonium phosphate
- E-342(I)
- INS NO.342(I)
- MONOAMMONIUM MONOPHOSPHATE
- MONOAMMONIUM PHOSPHATE
- Monoammonium acid phosphate
- Monoammonium orthophosphate
- Monobasic ammonium phosphate
- Primary ammonium phosphate
- VTI 57
- azanium;dihydrogen phosphate
- prim-Ammonium phosphate
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