Where to buy Sodium hydrosulfite CAS 7775-14-6 at best price, buy Sodium hydrosulfite from China leading suppliers,factory and manufacturers etc. If you buy Sodium hydrosulfite, please feel free to contact TNJ Chemical, the most professional Sodium hydrosulfite factory suppliers in China.
Sodium dithionite CAS 7775-14-6 is White crystal powder, Odorless or slightly S02-like odor.Soluble in water, insoluble in alcohol.
Specification
INDEX 90% 88% 85% FOOD additive
Na2S2O4 ≥90% ≥88% ≥85% ≥85%Fe ≤20ppm ≤20ppm ≤20ppm ≤20ppm
Zinc(Zn) ≤1ppm ≤1ppm ≤1ppm ≤1ppm
Heavy metal ( Pb) ≤1ppm ≤1ppm ≤1ppm ≤1ppm
Water Insolubles ≤0.05% ≤0.05% ≤0.05% ≤0.05%
Shelf Life(month) 12 12 12 12
Analysis report:
ITEM 90% 88% 85% FOOD ADDITIVE
Na2S2O4 91.00% 89.50% 86.60% 86.96%
Na2S2O5 6.39% 6.64% 6.82% 6.54%
Na2CO3 1.10% 2.50% 5.70% 5.58%
Na2S2O3 0.18% 0.20% 0.41% 0.38%
Na2SO3 0.22% 0.21% 0.32% 0.36%
Fe 14ppm 15ppm 16ppm 11ppm
Water Insolubles 0.05% 0.04% 0.04% 0.01%
Applications
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 in dried fruits, dried vegetable, vermicelli, glucose, sugar, rock sugar, caramel, candy, liquid glucose, bamboo shoots, mushrooms and canned mushrooms.Packing
15kg, 25kg, 50kg or 100kg net in iron drums with double inner polybags.
Storage
Store in a cool, dry, well-ventilated warehouse. Away from fire, heat. Relative humidity in the warehouse.
Hold below 75%. To prevent direct sunlight. Keep the container sealed. Do not touch water or water vapor.Oxidants or other flammable materials mixed together, handling light to light unloading, to prevent damage to the packaging and containers.
Please refer to the Materials Safety Data Sheet (MSDS) for the handling methods.
chemical.tnj
+8618949823763
tnjchem
2881500864