P

Potassium phosphate tribasic

IUPAC: tripotassium;phosphate

K3O4P Salts CAS 7778-53-2
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Quick Reference
Formula / NotationK3O4P
CAS Number7778-53-2
Molecular Weight212.266
SolubilityFreely soluble in water. Insoluble in ethanol
AppearanceOther Solid
Also Known Astripotassium;phosphate; 7778-53-2; Tripotassium phosphate; Tripotassium orthophosphate; Phosphoric acid, tripotassium salt; Potassium orthophosphate; Potassium phosphate, tribasic; Caswell No. 700A; Potassium phosphate (K3PO4); CCRIS 7321
CategorySalts

What is Potassium phosphate tribasic?

Tripotassium phosphate is an inorganic potassium salt that is the tripotassium salt of phosphoric acid. It is an inorganic phosphate salt and an inorganic potassium salt.

Formula & Notation

K3O4P

IUPAC Name: tripotassium;phosphate

Other Names / Synonyms: tripotassium;phosphate; 7778-53-2; Tripotassium phosphate; Tripotassium orthophosphate; Phosphoric acid, tripotassium salt; Potassium orthophosphate; Potassium phosphate, tribasic; Caswell No. 700A; Potassium phosphate (K3PO4); CCRIS 7321

Properties & Characteristics

Appearance: Other Solid. Molecular formula: K3O4P. Molecular weight: 212.266 g/mol. Solubility: Freely soluble in water. Insoluble in ethanol.

Physical Data

PropertyValue
Molecular Weight212.266
SolubilityFreely soluble in water. Insoluble in ethanol
AppearanceOther Solid

Uses & Applications

Used in food preservation, water treatment, chemical synthesis, fertilizers, and pharmaceutical applications.

Safety Information

Irritant or toxic depending on specific salt. Some salts are oxidising agents or toxic to aquatic environments. Consult SDS before use.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Potassium phosphate tribasic
Formula K3O4P
CAS Number 7778-53-2
Molecular Weight 212.266
Category Salts
Synonyms tripotassium;phosphate; 7778-53-2; Tripotassium phosphate; Tripotassium orthophosphate; Phosphoric acid, tripotassium salt; Potassium orthophosphate; Potassium phosphate, tribasic; Caswell No. 700A; Potassium phosphate (K3PO4); CCRIS 7321

Frequently Asked Questions

Tripotassium phosphate is an inorganic potassium salt that is the tripotassium salt of phosphoric acid. It is an inorganic phosphate salt and an inorganic potassium salt.

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.