Sodium Dithionite

We are offering sodium dithionite.
Packaging & delivery
packaging details: 25kgbag
delivery: 7 days after payments
specifications
sodium dithionite
cas : 7775-14-6
formula : na2s2o4
einecs : 231-890-0
application
1. Widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile textile bleaching .
2. It is also used in bleaching paper pulps , especially mechanical pulps, it’s the most fittable bleaching agent in pulps.
3. It is used in bleaching kaolin clay, fur bleaching and reductive whitening, bleaching of bamboo products and straw products,
4. It is used in mineral, the compound of thiourea and other sulphides.
5. It is used as reducing agent in chemical industry.
6. Sodium hydrosulfite food additive grade is used in foodstuffs, as bleaching agent and preservative dried fruits, dried vegetable, vermicelli, glucose, sugar, rock sugar, caramel, candy, liquid glucose, bamboo shoots, mushrooms and canned mushrooms.
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
advantage
1) we are specializing in this product for more than 8 years
2) we have a professional team who can provide you high quality products,competitive price and good service
3) our products are hot sale in the gloabl market, e.g. America,germany, poland, chile, singapore,vietnam and so on