IMO Class 4.2 Sodium Hydro Sulfite 88%Min Powder CAS 7775-14-6

Sodium hydrosulfite 88 % powder industry grade CAS 7775 -14 - 6 oxidizing agent Product Name: Sodium Dithionite, Sodium hydrosulphite, Sodium hydrosulfite Molecular formula: Na2S2O4 Quality standard: HG / T 2074 - 2011 IMO Class: 4.2 UN NO.: 1384 Application: Sodium hydrosulfite powder is widely used in reductive dyeing, reductive cleaning, printing and decolorization of textile industry and bleaching of fabrics such as silk, wool and nylon. Because it does not contain heavy metals, the bleached fabrics have bright color and are not easy to fade. Sodium hydrosulphite powder can also be used in organic synthesis, such as reducing agent or bleach in the production of dyes and drugs. It is suitable for bleaching of wood pulp and paper, and can also be used to preserve food and fruits. Specification: Items Specification Appearance White crystalline powder Purity Min 88% Water insoluble Max 0.1% Fe content Max 0.002% Zn content Max 0.0001% Smell Odorless or slight smell of SO2 Storage: Sodium hydrosulfite powder shall be stored in a cool, dry, ventilated and covered warehouse to avoid direct sunlight. Keep away from heat sources and do not mix with water or steam. It shall not be mixed with oxidant or other inflammables. The bag mouth shall be tied up immediately and tightly after use and stored properly.                 The storage period is half a year from the date of production. Products beyond the storage period of half a year shall be subject to quality inspection before use. Our factory locates in East of China with capacity of more than 100,000metric tons per year of sodium hydrosulphite and around 80,000 metric tons per year of sodium metabisulphite. We have more than 20 years' production experience and take product quality as the most important. We offer the most competitive price and always on-time delivery to support our customers all over the world. We sincerely hope we have opportunity to work together with your esteemed company. Thanks!