Company profileBusiness Type : Manufacturer/Factory&Trading Company Main Product : Magnesium Chloride Calcium Chloride,Barium Chloride, Sodium Metabisulphite, Sodium Bicarbonate Number of Employees : 150 Year of Estabulishment : 2006 Management System Certification: ISO 9001 Location : Shandong,China(Mainland)Basic informationHazard Class: 4.2 UN NO. : UN1384 Synonyms : Disodium salt; Sodium Sulfoxylate CAS No.: 7775-14-6 Molecular Weight: 174.10 Chemical Formula: Na2S2O4 Physical and chemical propertyAppearance: White, crystalline powder. Odor: Slight irritative. Specific Gravity: Unavailable Solubility: Soluble in water. Density: 2.19 PH: 6-7 Boiling Point: Not applicable. Melting Point: >300 C Decomposes. Vapor Pressure (mm Hg): No information found. Bulk Density: ~0.9 Evaporation Rate (BuAc=1): No information found. Product detailsFlowchart of Sodium HydrosulfiteSpecifications

INDEX	90%	88%	85%	FOOD　ADDITIVE
Na2S2O4	≥90%	≥88%	≥85%	≥85%
Fe	≤20ppm	≤20ppm	≤20ppm	≤20ppm
Zinc(Zn)	≤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

Applications 1. Widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile textile bleaching. 2. Used in bleaching paper pulps, especially mechanical pulps, it’s the most fittable bleaching agent in pulps. 3. Used in bleaching kaolin clay, fur bleaching and reductive whitening, bleaching of bamboo products and straw products. 4. Used in mineral, the compound of thiourea and other sulphides. 5. 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.Main Export MarketsAsia Africa Australasia Europe Middle East North America Central/South AmericaPackagingGeneral packaging specification: 25KG,50KG;500KG;1000KG，1250KG Jumbo Bag; Packaging Size : Jumbo bag size: 95 * 95 * 125-110 * 110 * 130； 25kg bag size: 50 * 80-55 * 85 Small bag is a double-layer bag,and the outer layer have a coating film ,which can effectively prevent moisture absorption. Jumbo Bag adds UV protection additive,suitable for long distance transportation,as well as in a variety of climated.Payment & ShipmentPayment Term: TT, LC or by negotiation Port of Loading : Qingdao Port,China Lead time : 10-30days after confirming the orderPrimary Competitive AdvantagesSmall Oders Accepted Sample Available Distributorships Offered Reputation Price Quality Prompt Shipment International Approvals Guarantee / Warranty Country of Origin, CO/Form A/Form E/Form F... Have more than 10 years professional experience in the production of Sodium Hydrosulfite; Small trial order is acceptable , free sample is available; Provide reasonable market analysis and product solutions; To provide customers the most competitive price at any stage ; Low production costs due to local resource advantages and low transportation costs due to proximity to the docks,ensure competitive price.