Sodium Hydrosulphite CAS: 7775-14-6

• CAS No.: 7775-14-6
• Formula: Na2o4s2
• Un No.: 1384
• Dg Class: 4.2
• Transport Package: 50kg/Drum or 100kg/Drum
• Origin: China
• Model NO.: 7775-14-6

Product Description

Property: White free-flow crystal powders, has strong reducibility.

Useage: Widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile textile bleaching, also be used in bleaching paper pulps, bleaching kaolin clay, mineral, reducing agent in chemical industry.

Packing: 50kg/drum; 16.8MT/20'FCL

INDEX	90%	88%	85%	FOOD ADDITIVE
Na2S2O4	≥90%	≥88%	≥85%	≥85%
Fe	≤20ppm	≤20ppm	≤20ppm	≤20ppm
ZincZn	≤1ppm	≤1ppm	≤1ppm	≤1ppm
Other heavy metal calculated as Pb	≤1ppm	≤1ppm	≤1ppm	≤1ppm
Water Insolubles	≤0.05%	≤0.05%	≤0.05%	≤0.05%
Shelf Life(month)	12	12	12	12