Sodium Metabisulfite, food grade

Catalog	DS7681574
CAS	7681-57-4
Structure
Synonyms	Sodium Pyrosulfite; Sodium Disulfite; Disodium Pyrosulfite; Sodium Metabisulphite; Disodium Disulphite
Molecular Weight	190.11
Molecular Formula	Na2O5S2
InChI	InChI=1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
InChI Key	HRZFUMHJMZEROT-UHFFFAOYSA-L
Melting Point	>300 °C
Purity	98%+
Density	1.48 g/cm3
Solubility	H2O: 540 g/L (20 °C)
Appearance	White to slightly yellow powder/solid
Shelf Life	24 months
Storage	Store in a dry, airtight container away from light
Certification	Kosher, Halal, ISO, FDA, HACCP
EC Number	231-673-0
Isomeric SMILES	[O-]S(=O)S(=O)(=O)[O-].[Na+].[Na+]

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