开云app官方体育app限时优惠 - 开云app官方体育app

Properties: white or yellow crystalline powder or small crystals, with a strong S02 odor, specific gravity 1.4, soluble in water, aqueous solution is acidic, and strong acid contact will release SO2 and generate the corresponding salts, long in the air, it is oxidized into Na2S206, so the product can not be stored for a long time. Above 1500C, that is, the decomposition of S02.
Molecular formula: Na2S205
CAS No.:7681-57-4
Molecular weight: 190.09
Appearance: White crystalline powder or small crystals
Packing:
1. The packaging bag (barrel) should be painted with a firm mark, including: product name, net weight and manufacturer name:
2. Sodium metabisulfite is packed in plastic woven bags or barrels, lined with plastic bags, net weight 25kg,1000KG, customized according to customer requirements;
3, the product transportation, storage should prevent damage, damp, heat deterioration. It is forbidden to coexist with oxidant and acid;
4. The storage period of this product is 6 months from the date of production.
Uses: industrially used in mineral processing agent, reducing agent, printing and dyeing, organic synthesis, printing, tanning, pharmacy, mineral processing and other departments; The pharmaceutical industry is used for the purification of chloroform, phenylsulfone and benzaldehyde. Rubber industry is used as coagulant; Printing and dyeing industry is used as dechlorination agent for cotton bleaching, cotton cooking auxiliary agent and mordant for printing and dyeing. Leather industry is used for leather treatment, which can make leather soft, plump and tough, with waterproof, bending, wear resistance and other properties; chemical industry for the production of hydroxy vanillin, hydroxylamine hydrochloride, etc.; photosensitive industry as a developer.