sodium hydorosulfite

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Synonyms: Sodium hydrosulphite, sodium dithionite Molecular Formula: Na2S2O4 Molecular Weight: 174.10 CAS: 7775-14-6 HS: 2831.1010, Hazard Calss: Class 4.2, 4.3 Spontaneously combustible substance Property: Sodium hydrosulfite is a white crystalline powder with weak sulfurous odor. It is readily soluble in water, insoluble in alcohol. Application: Widely used in printing and dyeing industry, can be used as a reducing agent for vat dyes, disperse dyes can be used to restore the clean, reactive dyes can be used for stripping color, silk, hair bleach, food bleaching agent, the depositary agent, antioxidant agents, preservation agents, bleaching of paper, industrial bleaching agent, processing, reducing agent, sulfonating agent. Packing: Polyethylene film bag lined with double layer, 50kg/iron drum, 21MT/1x20'FCL. Item 90% 88% 85% Na2S2 O4 ≥ 90% ≥ 88% ≥ 85% (Fe) ≤ 20ppm ≤ 20ppm ≤ 20ppm (Zn) ≤ 1ppm ≤ 1ppm ≤ 1ppm Clarity Clarify Clarify Clarify EDTA - - - (As) - - - Other heavy metals(pb) - - - HCHO - - - water insoluble matter ≤ 0.05% ≤ 0.05% ≤ 0.05% 2.Uses: For industrial use, such as oil field, paper-making, textile, dyeing, petrochemical industry, tanning industry, metallurgical industry and building material industry, it is mainly used as a water softening agent in solution for printing, dyeing, and boiler; Diffusant in papermaking; Retarding agent, floating agent, dispersing medium, high temperature agglomerant, detergent and soil analytical chemistry reagent. For food grade, it is mainly used as additive agent, pH adjusting agent and fermentation agent, and nourishment. 3.Packing: 25kg/p.p. bag or according to the buyer's own requirement. 22MTS/20" FCL

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Shijiazhuang jiazeng chemical co.,ltd

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