Sodium Hydrosulfite/Sodium Dithionite Food Grade

• CAS No.: 7775-14-6
• Formula: Na2s2o4
• EINECS: 231-890-0
• Appearance: Powder
• Grade Standard: Food Grade
• CAS: 7775-14-6
• Model NO.: Sodium Hydrosulfite
• Molecular Formula: Na2s2o4
• Purity: 88% 90% 85%
• Water Solubility: Highly Soluble
• Transport Package: 25kg, 50kg, 100kg, 200kg, 100kg/Drum
• Specification: SGS CIQ CCIC
• Trademark: xlw
• Origin: China
• HS Code: 28311010
• Production Capacity: 5000mt/Month

Product Description

Sodium Hydrosulfite/Sodium Dithionite Food Grade

Sodium Hydrosulphite is widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping etc.
Sodium hydrosulfite 85% 88% 90% good price
1. CAS No: 7775-14-6
2. White crystalline powder
3. Packing: 50kgs iron drum

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
Na 2 S 2 O 4	≥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