Potassium pyruvate

CAS Number
4151-33-1
EC Number
223-984-6

What is Potassium pyruvate?

Potassium pyruvate (CAS 4151-33-1) is the potassium salt form of pyruvic acid, offering improved stability and handling compared to the free acid.

Where is Potassium pyruvate used?

  • Food and nutrition: flavoring agent and acidulant
  • Pharmaceuticals: buffering agent in injectable solutions and topical preparations
  • Biotechnology and cell culture: carbon source and metabolic supplement in growth media
  • Cosmetics: pH-regulating ingredient in skin-conditioning products
  • It functions as a pH buffer, acidulant, and metabolic substrate.

Good to know: Precise pH control is critical to product stability and efficacy in medical applications.

Commercial specifications

  • Packaging from laboratory-scale quantities to bulk bags

Other Names (Synonyms)

Propanoic acid, 2-oxo-, potassium salt|Pyruvic acid, potassium salt|Propanoic acid, 2-oxo-, potassium salt (1:1)|RefChem:176343|potassium 2-oxopropanoate

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What are the physical properties of Potassium pyruvate?

Melting Point >175°C (dec.)
Color White to Off-White
Form Solid
Log P -1.240 (est)

How is Potassium pyruvate classified and handled safely? Learn More

Warning
GHS07· Irritant

Hazard Statements

H302 H302
H315 H315
H319 H319

Precautionary Statements

P264 P264
P270 P270
P280 P280
P321 P321
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