Sodium metabisulfite
Sodium metabisulfite
Chemical Formula Na₂S₂O₅
Synonym Sodium pyrosulfite, Disodium metabisulfite, Sodium metabisulphite
CAS No. 7681-57-4
HS Code 2832.10
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Identifiers

IUPAC Sodium metabisulfite
UN Number UN 2693 (Hazard Class 8 - Corrosive)

Applications

MiningFood additiveWater treatmentPhotographyTextile industryMedical

Forms Available

White crystalline powderGranules

Properties

Density 1.48 g/cm³
Purity Food grade: ≥97% (low heavy metals), Technical grade: ≥96%, Reagent grade: ≥99%
Molecular Weight 190.11 g/mol
Appearance White/yellowish powder, Pungent sulfur odor

Grades

Food grade (E223)Industrial gradePhotographic gradePharmaceutical grade

Storage

PACKING OPTIONS 25KG, Big bags, Palletizing, Customization

Documents

COA-Sodium metabisulfite-SMBS-Food.pdf
COA-Sodium metabisulfite-SMBS-Industrial.pdf
MSDS-Sodium metabisulfite.pdf

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