Dibasic potassium phosphate

Dibasic potassium phosphate in plain language

What it is

On cosmetic ingredient lists it appears as “Dipotassium phosphate”.

Also known as Dipotassium phosphate · Potassium phosphate · Potassium phosphate dibasic · Dipotassium acid phosphate · Dipotassium hydrogen phosphate · Dipotassium monophosphate

Show all 29 names

Secondary potassium phosphate · Dipotassium hydrogen phosphate (K2HPO4) · Dipotassium salt phosphoric acid · Phosphoric acid, potassium salt (1:2) · Potassium phosphate (K2HPO4) · Potassium phosphate dibasic anhydrate · Conclyte P · Di-potassium hydrogen phosphate · Dipotassium hydrogen monophosphate · Dikaliumhydrogenorthophosphat · Dipotassium Hydrogenphosphate · Dipotassium hydrogen orthophosphate · Dipotassium hydrogenorthophosphate · Dipotassium monohydrogen phosphate · Dipotassium orthophosphate · E-340(II) · Hydrogen dipotassium phosphate · Ins NO.340(II) · INS-340(II) · Potassium dibasic phosphate · Potassium monophosphate · Kali phosphoricum · Potassium phosphates component dibasic potassium phosphate

What it does

Used in cosmetics as an anticorrosive and a pH buffer.

• Anticorrosive
• Buffering
• Yeast food, acidity regulator, sequestrant
• Emulsifier
• Chelating agent
• pH adjuster

Is it a concern?

Low concern: no hazard classifications on record. It is listed for cosmetic use in the EU.

Why it's flagged

EPA CPDat observed this chemical in 310 composition records across product categories including Construction and building materials, Specialty occupational products, Vehicle.

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

• In marketed US drugs
• Inactive ingredient in US drugs

• US·FDA·inactive ingredient database8 entries — 4 administration routes

  • Route: ORAL; Dosage form: CAPSULE; Potency: 30 mgSource →
  • Route: ORAL; Dosage form: SOLUTION; Maximum daily exposure: 890 mgSource →
  • Route: ORAL; Dosage form: SUSPENSION; Maximum daily exposure: 24 mgSource →
  • Route: ORAL; Dosage form: SYRUP; Potency: 22 mg/5mlSource →
  • Route: ORAL; Dosage form: TABLET; Potency: NASource →
  • Route: SUBCUTANEOUS; Dosage form: INJECTION; Potency: 13.6 mgSource →
  • Route: INTRAMUSCULAR; Dosage form: INJECTION; Potency: 0.6 %w/vSource →
  • Route: INTRA-ARTICULAR; Dosage form: INJECTION; Potency: 0.6 %w/vSource →
• GLOBAL·JECFA·Evaluated2 entries

  • JECFA evaluation record. Functional class: yeast food, acidity regulator, sequestrant.Source →
  • JECFA evaluation record.Source →
• US·FDA·marketed drug occurrence2 entries

  • FDA NDC lists this ingredient in 159 active drug products and 175 total products.Source →
  • FDA NDC lists this ingredient in 128 active drug products and 130 total products.Source →
• EU·CosIng·ActiveListed in CosIng inventory for cosmetic use.

  • Listed in CosIng inventory for cosmetic use.Source →
• US·EPA·commercial use observedEPA CPDat observed this chemical in 310 composition records across product categories including Construction and building materials, Specialty occupational products, Vehicle. EPA CPDat classifies this chemical for functional uses including pH regulating agent, Corrosion inhibitor, Flavouring and nutrient.

  • EPA CPDat observed this chemical in 310 composition records across product categories including Construction and building materials, Specialty occupational products, Vehicle. EPA CPDat classifies this chemical for functional uses including pH regulating agent, Corrosion inhibitor, Flavouring and nutrient.Source →
• US·FDA·listed in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.

  • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

Independent scientific assessments cited by the records we hold, with the year and link where the record gives one.

• SCCS

  EU Scientific Committee on Consumer Safety

  No SCCS opinion on file.

• CIR

  Cosmetic Ingredient Review (US expert panel)

  No CIR safety assessment on file.

• JECFA

  Joint FAO/WHO Expert Committee on Food Additives

  • JECFA evaluation record. Functional class: yeast food, acidity regulator, sequestrant.

    Year not recorded · GLOBAL JECFA listing · Read the source →

  • JECFA evaluation record.

    Year not recorded · GLOBAL JECFA listing · Read the source →

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