Product
SODIUM BI SULPHITE
Grade
Technical
Standard Quality
Superfine grade
Synonyms 1] SODIUM META BI SULPHITE
2] SODIUM PYROSULFITE
3] SODIUM DISULFITE
1] SODIUM META BI SULPHITE
2] SODIUM PYROSULFITE
3] SODIUM DISULFITE
1] SODIUM META BI SULPHITE
2] SODIUM PYROSULFITE
3] SODIUM DISULFITE
CAS No. [768157-4] [768157-4] [768157-4]
Chemical Formula Na2S2O5 Na2S2O5 Na2S2O5
Molecular Wt. 190.1 190.1 190.1
Melting Point 150C 150C 150C
ASSAY (As Na2 S2 O5 )
SO2 Content
92.00 % Min.
62.00% Min
94.00 % Min.
64.00% Min
96.00% Min
66.00% Min
Appearance Off White Crystalline Powder White Crystalline Powder
pH in 5% Solution 4.0 TO 4.5 4.0 TO 5.0 4.0 TO 5.0
Iron (As Fe) 100 ppm Max. 20 ppm Max. 10 pmm Max
Arsenic (As) Traceable NIL NIL
Matter insoluble in water. 0.10% Max. 0.05% Max 0.05% Max
Solubility Clear & colourless solution Clear & colourless solution
Applications Electroplating
Photo Chemicals
Pharmaceuticals
Water treatment
Food & Beverages
Leather Industry.
Acrylic Fiber Industry
Electroplating
Photo Chemicals
Pharmaceuticals
Water treatment
Food & Beverages.
Food & Bakery
Electroplating
Photo Chemicals
Pharmaceuticals
Water treatment
Dyes & Intermedaites.
PACKING 50KGS BAG 25KGS BAG 50 / 25 kgs
TDS
MSDS