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Potassium Metabisulfite
Potassium Metabisulfite
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Potassium Metabisulfite

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Potassium Metabisulfite Specification

  • Density
  • 2.34 Gram per cubic centimeter(g/cm3)
  • Shape
  • Granules or crystalline form
  • CAS No
  • 16731-55-8
  • Molecular Formula
  • K2S2O5
  • Physical Form
  • White crystalline powder or granules
  • Structural Formula
  • O=S(=O)-O-K
  • Smell
  • Pungent sulfur smell
  • Taste
  • Salty sulfurous taste
  • EINECS No
  • 240-795-3
  • Shelf Life
  • 2 years if stored properly
  • Purity
  • 99% min
  • Usage
  • Used in winemaking food processing and photographic chemicals
  • Solubility
  • Soluble in water slightly soluble in alcohol
  • Appearance
  • White crystalline powder
  • Properties
  • Strong reducing agent releases sulfur dioxide in acidic conditions
  • Molecular Weight
  • 222.32 g/mol
  • Ph Level
  • 4.0-5.5 (1% solution)
  • Melting Point
  • 190°C (decomposes)
  • Application
  • Used as a food preservative antioxidant and sterilizing agent
  • Ingredients
  • Potassium sulfur and oxygen
  • HS Code
  • 283220
  • Poisonous
  • Yes if ingested in large quantities
  • Storage
  • Store in a cool dry place away from strong acids and moisture
  • Grade
  • Food grade industrial grade
 
 

About Potassium Metabisulfite



Potassium Metabisulfite is a versatile chemical compound known for its varied applications. As a food preservative, antioxidant, and sterilizing agent, it plays a crucial role in industries like winemaking, food processing, and photographic chemicals. This white crystalline powder or granules possess a salty sulfurous taste and emit a pungent sulfur smell. With its strong reducing properties, it releases sulfur dioxide in acidic conditions, making it an effective choice for preservation. With a purity of 99% min, this compound is available in food grade and industrial grade variants. Stored properly in a cool, dry place away from strong acids and moisture, Potassium Metabisulfite has a shelf life of 2 years.

FAQs of Potassium Metabisulfite:


Q: Is Potassium Metabisulfite poisonous?

A: Yes, it is poisonous if ingested in large quantities.

Q: What is the primary application of Potassium Metabisulfite?

A: It is primarily used as a food preservative, antioxidant, and sterilizing agent.

Q: How is Potassium Metabisulfite stored?

A: It should be stored in a cool dry place away from strong acids and moisture.

Q: What industries commonly use Potassium Metabisulfite?

A: It is commonly used in winemaking, food processing, and photographic chemicals.

Q: What is the shelf life of Potassium Metabisulfite?

A: The shelf life is 2 years if stored properly.

Potassium Metabisulfite
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