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Metabisulfite

Sodium disulfite (13459)

dry, extra pure, meets analytical specification of Ph. Eur., BP, NF, FCC, E 223, assay 97.0 - 100.5%

General Information

  • CAS Number
    • 7681-57-4
  • Molar Mass
    • 190.11 g/mol

Physical Properties

  • Melting Point/Range
    • > 150 °C (Decomposes without melting)
  • Solubility in Water
    • 20 °C
  • Boiling Point/Range
    • Decomposes on heating.
  • Color
    • Colorless
  • Physical Form
    • Crystalline powder
  • Density
    • 2.36 g/cm3 (20 °C)
  • Vapor Pressure
    • Negligible
  • pH
    • 3.5 to 5.0 at 50 g/l (20 °C)
  • Odor
    • Stinging

Safety Information

  • Thermal Decomposition
    • Decomposes without melting.
  • Self Ignition
    • Not auto-flammable
  • Incompatible Materials
    • Oxidizing agents, Contact with strong acids liberates sulphur dioxide
  • Chemical Stability
    • Stable under recommended storage conditions.
  • Flammability
    • The product is not flammable.

International Transportation

  • Harmonized System Code
    • 2832100000

General Information

  • CAS Number
    • 7681-57-4
  • Molar Mass
    • 190.11 g/mol

Physical Properties

  • Melting Point/Range
    • > 150 °C (Decomposes without melting)
  • Solubility in Water
    • 20 °C
  • Boiling Point/Range
    • Decomposes on heating.
  • Color
    • Colorless
  • Physical Form
    • Crystalline powder
  • Density
    • 2.36 g/cm3 (20 °C)
  • Vapor Pressure
    • Negligible
  • pH
    • 3.5 to 5.0 at 50 g/l (20 °C)
  • Odor
    • Stinging

Safety Information

  • Thermal Decomposition
    • Decomposes without melting.
  • Self Ignition
    • Not auto-flammable
  • Incompatible Materials
    • Oxidizing agents, Contact with strong acids liberates sulphur dioxide
  • Chemical Stability
    • Stable under recommended storage conditions.
  • Flammability
    • The product is not flammable.

International Transportation

  • Harmonized System Code
    • 2832100000
  • CAS Number : 7681-57-4
  • Molar Mass : 190.11 g/mol
  • Melting Point/Range : > 150 °C (Decomposes without melting)
  • Solubility in Water : 20 °C
  • Boiling Point/Range : Decomposes on heating.
  • Color : Colorless
  • Physical Form : Crystalline powder
  • Density : 2.36 g/cm3 (20 °C)
  • Vapor Pressure : Negligible
  • pH : 3.5 to 5.0 at 50 g/l (20 °C)
  • Odor : Stinging
  • Thermal Decomposition : Decomposes without melting.
  • Self Ignition : Not auto-flammable
  • Incompatible Materials : Oxidizing agents, Contact with strong acids liberates sulphur dioxide
  • Chemical Stability : Stable under recommended storage conditions.
  • Flammability : The product is not flammable.
  • Harmonized System Code : 2832100000
Image
SKU
Description
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CIP900-10235125
SODIUM DISULFITE DRY 25,0KS