Product Name: Sodium Hydrosulphite

Characterisics: White free-flow crystaline powder with pungent odour.

Molecular Formula: Na2S2O4

Molecular Weight: 174.11

Specification:

ITEM	85% grade	88% Grade	90% Grade
Na2S2O4, %≥	85	88	90
Fe, ppm≤	20	20	20
Zn, ppm≤	1	1	1
Heavy Metal(as Pb), ppm≤	1	1	1
Water Insolubles, %≤	0.05	0.05	0.05

Usage: An important auxiliary agent in textile industry, paper industry, dye and gasoline clay industry. Also bleaching foodstuffs like sugar, honey, gelatin etc. Reducing agent for organic synthesis and pharmaceuticals.

Packing: 50kgs steel drums.