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Sodium metabisulfite (7681-57-4)

Identification
Name:Sodium metabisulfite
Synonyms:Disodium disulfite;Disodium metabisulfite;Disodium pyrosulfite;Natrium metabisulfurosum;Natriummetabisulfit;Sodium disulfite;Sodium pyrosulfite;
CAS:7681-57-4
EINECS: 231-673-0
Molecular Formula: Na2O5S2
Molecular Weight: 190.1
InChI: InChI=1/2Na.H2O5S2/c;;1-6(2)5-7(3)4/h;;(H,1,2)(H,3,4)/q2*+1;/p-2
Molecular Structure: (Na2O5S2) Disodium disulfite;Disodium metabisulfite;Disodium pyrosulfite;Natrium metabisulfurosum;Natriummetab...
Properties
Transport:UN 2693
Density:1.48
Stability:Stable. Incompatible with strong oxidizing agents, strong acids. Contact with strong acids releases a poisonous gas. May be moisture and air sensitive.
Solubility:540 g/L (20 oC)
Appearance:white crystalline powder
Specification:

?Sodium Metabisulphite (CAS NO.7681-57-4) is also named as AI3-51684 ; CCRIS 3951 ; Campden Tablets ; Disodium disulfite ; Disodium metabisulfite ; Disodium pyrosulfite ; Disulfurous acid, disodium salt ;?Fertisilo ; HSDB 378 ; Natrii disulfis ; Natrium metabisulfurosum ; Natrium pyrosulfit ; Natriumbisulfit ; Natriummetabisulfit ; Pyrosulfurous acid, disodium salt ; Sodium bisulfite anhydrous ; Sodium disulfite ; Sodium metabisulfite ; Sodium metabisulfite (Na2-S2O5) ; Sodium pyrosulfite ; Sodium pyrosulfite (Na2S2O5)?.?Sodium Metabisulphite (CAS NO.7681-57-4) is white crystalline powder with a sulfur smell. It is soluble in water and?glycerine, slightly soluble in ethanol.

Packinggroup: III
Storage Temperature: Store at RT.
Safety Data
Hazard Symbols Xn:Harmful