Metabisulfite
Sodium disulfite (13459)
dry, extra pure, meets analytical specification of Ph. Eur., BP, NF, FCC, E 223, assay 97.0 - 100.5%
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Overview
Specifications
General Information
- CAS Number
- 7681-57-4
- Concentration
- 100 %
- EC Number
- 231-673-0
- Grade
- Extra pure
- Linear Formula
- Na2O5S2
- Molar Mass
- 190.11 g/mol
- Product Type
- Substance Degrees Celsius
- Synonyms
- disulfite
- pyrosulfite
- sodium metabisulfite
Physical Properties
- Boiling Point/Range
- Decomposes on heating.
- Chemical Composition
- sodium metabisulphite
- Color
- Colorless
- Density
- 2.36 g/cm3 (20 °C)
- Flashpoint
- Not applicable
- Melting Point/Range
- > 150 °C (Decomposes without melting)
- Odor
- Stinging
- Partition Coefficient
- log Pow -3,7
- pH
- 3.5 to 5.0 at 50 g/l (20 °C)
- Physical Form
- Crystalline powder
- Solubility in Water
- 667 g/l at 20 °C
- Vapor Pressure
- Negligible hectopascal
Safety Information
- Chemical Stability
- Stable under recommended storage conditions.
- Evaporation Rate
- No data available
- Flammability
- The product is not flammable.
- Ignition Temperature
- Not applicable
- Incompatible Materials
- Oxidizing agents, Contact with strong acids liberates sulphur dioxide
- Oxidizing
- The substance or mixture is not classified as oxidizing
- Self Ignition
- Not auto-flammable
- Thermal Decomposition
- Decomposes without melting.
International Transportation
- Harmonized System Code
- 2832100000
General Information
- CAS Number
- 7681-57-4
- Concentration
- 100 %
- EC Number
- 231-673-0
- Grade
- Extra pure
- Linear Formula
- Na2O5S2
- Molar Mass
- 190.11 g/mol
- Product Type
- Substance Degrees Celsius
- Synonyms
- disulfite
- pyrosulfite
- sodium metabisulfite
Physical Properties
- Boiling Point/Range
- Decomposes on heating.
- Chemical Composition
- sodium metabisulphite
- Color
- Colorless
- Density
- 2.36 g/cm3 (20 °C)
- Flashpoint
- Not applicable
- Melting Point/Range
- > 150 °C (Decomposes without melting)
- Odor
- Stinging
- Partition Coefficient
- log Pow -3,7
- pH
- 3.5 to 5.0 at 50 g/l (20 °C)
- Physical Form
- Crystalline powder
- Solubility in Water
- 667 g/l at 20 °C
- Vapor Pressure
- Negligible hectopascal
Safety Information
- Chemical Stability
- Stable under recommended storage conditions.
- Evaporation Rate
- No data available
- Flammability
- The product is not flammable.
- Ignition Temperature
- Not applicable
- Incompatible Materials
- Oxidizing agents, Contact with strong acids liberates sulphur dioxide
- Oxidizing
- The substance or mixture is not classified as oxidizing
- Self Ignition
- Not auto-flammable
- Thermal Decomposition
- Decomposes without melting.
International Transportation
- Harmonized System Code
- 2832100000
- Linear Formula : Na2O5S2
- Concentration : 100 %
- Product Type : Substance Degrees Celsius
- Molar Mass : 190.11 g/mol
- CAS Number : 7681-57-4
- EC Number : 231-673-0
- Synonyms : disulfite|pyrosulfite|sodium metabisulfite
- Grade : Extra pure
- pH : 3.5 to 5.0 at 50 g/l (20 °C)
- Partition Coefficient : log Pow -3,7
- Chemical Composition : sodium metabisulphite
- Solubility in Water : 667 g/l at 20 °C
- Melting Point/Range : > 150 °C (Decomposes without melting)
- Boiling Point/Range : Decomposes on heating.
- Vapor Pressure : Negligible hectopascal
- Physical Form : Crystalline powder
- Flashpoint : Not applicable
- Density : 2.36 g/cm3 (20 °C)
- Color : Colorless
- Odor : Stinging
- Incompatible Materials : Oxidizing agents, Contact with strong acids liberates sulphur dioxide
- Thermal Decomposition : Decomposes without melting.
- Ignition Temperature : Not applicable
- Chemical Stability : Stable under recommended storage conditions.
- Evaporation Rate : No data available
- Self Ignition : Not auto-flammable
- Flammability : The product is not flammable.
- Oxidizing : The substance or mixture is not classified as oxidizing
- Harmonized System Code : 2832100000
