K3O4P
212.266 g/mol
AgrochemicalDanger
Tripotassium phosphate
CAS7778-53-2EC231-907-1
Category
Agrochemical
Compound Class
Inorganic Salt
Primary Use
fertilizer and soil pH regulator
Tripotassium phosphate is a potassium salt of phosphoric acid commonly used as a fertilizer and soil pH regulator in agriculture. Its high solubility and basic nature help adjust soil acidity while supplying essential potassium and phosphorus nutrients.
Soil amendment (fertilizer)pH regulating 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
StrongStructure SimilarSimilarity 1.00
Zinc phosphate
CAS7779-90-0
corrosion resistant coating pigment
StrongStructure SimilarSimilarity 1.00
Ammonium phosphomolybdate hydrate
CAS54723-94-3
research compound
StrongStructure SimilarSimilarity 1.00
Trisodium phosphate
CAS7601-54-9
cleaning and industrial processing agent
StrongStructure SimilarSimilarity 1.00
Tricalcium phosphate
CAS7758-87-4
food additive and fertilizer
ReferenceSame Category
Potassium sulfate
CAS7778-80-5
Fertilizer for chloride-sensitive crops
ReferenceSame Category
Ammonium thiosulfate
CAS7783-18-8
Fungicide and fertilizer
ReferenceSame Category
Ammonium sulfate
CAS7783-20-2
soil fertilizer
ReferenceSame Category
Dibasic ammonium phosphate
CAS7783-28-0
fertilizer
Related Reading
Safety Reference
Danger
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H335May cause respiratory irritation
H302Harmful if swallowed
H314Causes severe skin burns and eye damage
Customs Tariff Classification
The international HS code for Tripotassium phosphate (CAS 7778-53-2) is 2835.24.
HS code (international, 6-digit)
2835.24
EU CN code (8-digit)
2835 24 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
tripotassium;phosphate
InChIKey
LWIHDJKSTIGBAC-UHFFFAOYSA-K
SMILES
[O-]P(=O)([O-])[O-].[K+].[K+].[K+]
Synonyms (28)
- Caswell No. 700A
- E-340(III)
- INS NO.340(III)
- Potassium orthophosphate
- Potassium phosphate (K3PO4)
- Potassium phosphate tribasic
- Potassium phosphate, ACS
- Tripotasium phosphate
- Tripotassium orthophosphate
- Tripotassium phosphate
- potasium phosphate
- potassium phophate
- potassium phoshate
- potassium tribasic phosphate
- potassiumphosphate
- tribasic potassium phosphate
- tripotassiurn phosphate
- tris-potassium phosphate
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