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Home/Compounds/Food Additive/Dibasic potassium phosphate
HK2O4P
174.176 g/mol
Food AdditiveDanger

Dipotassium hydrogen phosphate

CAS7758-11-4EC231-834-5
Category
Food Additive
Compound Class
Inorganic Salt
Primary Use
buffering agent and emulsifier

Dipotassium hydrogen phosphate is a potassium salt of phosphoric acid used as a buffering agent and emulsifier in food processing. It also functions as a sequestrant and nutrient in industrial applications such as pulp and paper processing and antibiotic culturing.

buffering agent in anti-freezeemulsifier in specified cheesesnutrient in the culturing of antibiotics

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

Dibasic trihydratemagnesium phosphate

CAS7782-75-4

mineral compound

StrongSame Parent

Heptahydratedibasicsodium phosphate

CAS7782-85-6

food sequestrant emulsifier and buffer

StrongSame Parent

Dibasic ammonium phosphate

CAS7783-28-0

fertilizer

StrongSame Parent

Calcium hydrogenphosphate dihydrate

CAS7789-77-7

calcium supplement and anticaking agent

ReferenceSame Category

Disodium pyrophosphate

CAS7758-16-9

Baking powder acidulant and food additive

ReferenceSame Category

Monocalcium phosphate

CAS7758-23-8

Leavening agent and mineral supplement

ReferenceSame Category

Tricalcium phosphate

CAS7758-87-4

food additive and fertilizer

ReferenceSame Category

Vinegar

CAS77671-22-8

active component of vinegar

Safety Reference

Corrosive
Corrosive
Harmful
Harmful
Danger
H315Causes skin irritation
H318Causes serious eye damage

Customs Tariff Classification

The international HS code for Dipotassium hydrogen phosphate (CAS 7758-11-4) 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

dipotassium;hydrogen phosphate

InChIKey

ZPWVASYFFYYZEW-UHFFFAOYSA-L

SMILES

OP(=O)([O-])[O-].[K+].[K+]

Synonyms (64)
  • DIBASIC POTASSIUM PHOSPHATE (USP IMPURITY)
  • DIBASIC POTASSIUM PHOSPHATE (USP MONOGRAPH)
  • DIBASIC POTASSIUM PHOSPHATE (USP-RS)
  • DIPOTASSIUM PHOSPHATE (EP IMPURITY)
  • DIPOTASSIUM PHOSPHATE (EP MONOGRAPH)
  • Dibasic potassium phosphate, United States Pharmacopeia (USP)
  • POTASSIUM PHOSPHATE, DIBASIC (USP IMPURITY)
  • Potassium phosphate dibasic, USP reagent
  • Potassium phosphate dibasic, USP, 98.0-100.5%
  • Potassium phosphate dibasic, meets USP testing specifications
  • Potassium phosphate, dibasic (JAN/USP)
  • DIKALIUM PHOSPHATE
  • DIPOTASSIUM PHOSPHATE
  • Dibasic potassium phosphate
  • Dipotassium acid phosphate
  • Dipotassium monophosphate
  • Dipotassium orthophosphate
  • DipotassiumOphosphate
  • E-340(II)
  • Isolyte
  • KALI PHOSPHORICUM 6X
  • Kali Phos 6X
  • Kali Phosphoricum Kit Refill
  • Kali phosphoricum
  • Mediject P (TN)
  • POTASSIUM PHOSPHATE (K2HPO4)
  • Potassium Hydrogen Phosphate
  • Potassium dibasic phosphate
  • Potassium monophosphate
  • Potassium phosphate dibasic
  • Secondary potassium phosphate
  • TONICPET 6
  • dipotasium hydrogen phosphate
  • sec.-Potassium phosphate

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