Tianjin Ruifengtiantai International Trade Co., Ltd.
Main products:Gelatin,Sodium Nitrate
Contact Us
  • Contact Person : Mr. Geng Ibin
  • Company Name : Tianjin Ruifengtiantai International Trade Co., Ltd.
  • Tel : 0086-22-26122025
  • Address : Tianjin,Tianjin,Sanhe garden, Quanfang Road, Hebei Dist
  • Country/Region : China

Sodium hydrosulfite

Sodium hydrosulfite
Product Detailed
1.sodium hydrosulfite 2.Cas no.:7775-14-6 3.White crystalline powder 4.90.5% ,88.5% ,85.5% min 5.50kgs per drum

sodium hydrosulfite

1) Used as reducer, dyes auxiliary of dyeing industry, synthetic dyes and intermediates.(2) Used as bleaching agent of paper pulp in paper-making industry.  (3) Used as bleaching agent of china clay in the ceramics industry.  (4) Used as deoxidizer of rubber and styrene butadiene rubber synthesis, developer in photo-taking industry.(5) Used as reducing agent, bleaching agent in the industries including pharmacy, food, metallurgy and leather

No.Index nameIndexNote
1AppearanceWhite crystalline powderWhite crystalline powderWhite crystalline powderEye measurement
2Hydros content% ≥90.588.585.5Compulsory test
3Content of insoluble substancein water % ≤ test
4Content of sodium carbonate%≥111Spot test
5GranularityA, BA, B, CA, B, C, DCompulsory test ( Eye measurement )
6OdorGentlenessGentlenessGentlenessCompulsory test

Sodium hydrosulfite

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