Taian Health Chemical Co., Ltd.

sodium hydrosulfite

• Category :

  Inorganic chemicals

• Synonyms :

  Sodium dithionite hydrate;Sodium hydrosulphite;Sodium dithionite;disodium dithionite;

• CAS NO :

  7775-14-6

• EC NO :

  231-890-0

• Molecular Formula :

  Na₂O₄S₂

• Molecular Weight :

  174.1071

• Main Specifications :

  Na2S2O4:90%, 88%,85%

• InChI :

  InChI=1/2Na.H2O4S2/c;;1-5(2)6(3)4/h;;(H,1,2)(H,3,4)/q2*+1;/p-2

• Packing :

  50kg iron drum

• Product description :

  Sodium Hydrosulfite

   

  Molecular formula: Na₂S₂O₄

  HS code: 28311000

   

  Specification

   

   

  Specification	90%	88%	85%	Food grade
  Na2S2O4	≥90%	≥88%	≥85%	≥85%
  Fe	≤20ppm	≤20ppm	≤20ppm	≤20ppm
  Zn	≤1ppm	≤1 ppm	≤1ppm	≤1ppm
  Solution Appearance	Clear	Clear	Clear	Clear
  Other heavy metal (as pb)	—	—	—	—
  HCHO	—	—	—	≤0. 05%
  Water insoluble matter	≤0.05%	≤0.05%	≤0.05%	—
  Reserve period (months)	12	12	12	12

   

   

   

  Pacakge: 50kg iron drum, 21mt per 20FCL , without pallet,

   Applications:

  1. Vat dyeing, printing and stripping, reduction cleaning
  2. Textile materials(silk, wool, nylon and other fibers)bleaching
  3. Pulp and paper brightening
  4. Pulp deinking
  5. Kaolin clay bleaching
  6. Foodstuffs ( sugar, honey, gelatin, etc)bleaching
  7. chemical synthesizing

• Uses :

  Vat dyeing, printing and stripping, reduction cleaning

• Molecular Structure :