Potassium Metabisulphite

Potassium metabisulfite is a food preservative, which preserves the natural colour of food and protects food against bacteria. The winemaking industry uses it as an additive during the bottling process.

products.synonyms missing
Potassium pyrosulphite, Dipotassium disulfite, Dipotassium disulphite, Dipotassium Disulphite, E 224, PBMS, Potassium Pyrosulfite
products.formula missing
K2O5S2
products.cas_number missing
16731-55-8

products.characteristics missing

products.molar_weight missing
222.312 g/mol
products.melting_point missing
190 °C
products.specific_gravity missing
2.34 g/cc
products.forms missing
Powder, White, Yellow, Pale, Crystalline

products.uses_applications missing

products.key_applications missing

  • Dyes
  • Food preservatives
  • Food additive
  • Antibacterial
  • Reducing agent
  • Wine production
  • Bleaching agent

products.industries missing

  • Pharma
  • Polymers
  • Agriculture
  • Animal Nutrition
  • Cleaning
  • Water Treatment
  • CASE & Construction
  • Food & Nutrition