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Name
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Sodium metabisulfite
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Synonyms
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Sodium pyrosulfite; Disodium disulphite; Disulfurous acid disodium salt; Pyrosulfurous acid disodium salt
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Molecular Formula
|
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Na2S2O5
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Molecular Weight
|
|
190.10
|
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CAS Registry Number
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7681-57-4
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EINECS
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231-673-0
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Properties
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||
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Density
|
|
1.48
|
|
Melting point
|
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150 ºC
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Water solubility
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540 g/L (20 ºC)
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