H9N2O4P
132.06 g/mol
AgrochemicalWarning
Diammonium hydrogen phosphate
CAS7783-28-0EC231-987-8
Category
Agrochemical
Compound Class
Inorganic Salt
Primary Use
fertilizer
Diammonium hydrogen phosphate is a water-soluble ammonium phosphate salt commonly used as a fertilizer. It is produced from the reaction of ammonia with phosphoric acid and provides both nitrogen and phosphorus to plants.
fertilizer
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
Calcium hydrogenphosphate dihydrate
CAS7789-77-7
calcium supplement and anticaking agent
StrongSame Parent
Trihydratedibasicpotassium phosphate
CAS16788-57-1
Inorganic salt for buffer and fertilizer
StrongSame Parent
Dibasic sodium phosphate
CAS7558-79-4
buffering agent and food additive
StrongSame Parent
Dicalcium phosphate
CAS7757-93-9
mineral supplement and leavening agent
SimilarStructure SimilarSimilarity 0.78
Monobasic potassium phosphate
CAS7778-77-0
buffer and sequestrant
ReferenceSame Category
Isobutylamine
CAS78-81-9
Insecticide production intermediate
ReferenceSame Category
2,3-dichloro-1-propene
CAS78-88-6
Soil fumigant component and chemical intermediate
ReferenceSame Category
Hexythiazox
CAS78587-05-0
Acaricide ovicide for mite control
Related Reading
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Diammonium hydrogen phosphate (CAS 7783-28-0) is 3105.30.
HS code (international, 6-digit)
3105.30
EU CN code (8-digit)
3105 30 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
diazanium;hydrogen phosphate
InChIKey
MNNHAPBLZZVQHP-UHFFFAOYSA-N
SMILES
[NH4+].[NH4+].OP(=O)([O-])[O-]
Synonyms (33)
- AMMONIUM PHOSPHATE [MART.]
- Akoustan A
- Ammonium Phosphate
- Ammonium hydrogen phosphate
- Ammonium phosphate (NF)
- Ammonium phosphate dibasic
- Ammonium phosphate, secondary
- Ammonium phosphoricum
- Caswell No. 286C
- Coaltrol LPA 445
- DIAMMONIUM PHOSPHATE
- Diammonium acid phosphate
- Diammonium hydrogen phosphate
- Diammonium orthophosphate
- Dibasic ammonium phosphate
- Fyrex
- Hydrogen diammonium phosphate
- K2 (phosphate)
- Pelor
- Phos-Chek 202A
- Phos-Chek 259
- Pyrozyl war
- Secondary ammonium phosphate
- Spartan ar 295
- diazanium;hydrogen phosphate
- primary ammonum phosphate
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