China make sodium metabisulfite industrial grade powder

• Post Date:

  Nov 04,2014

• Expiry Date:

  May 03,2015

• Detailed Description:

  Cas No. :7681-57-4 Quantity: 20Metric Tons
  Price:260 USD Metric Tons
  Payment Method: L/C
  Product Introduction
  
  
  
  Appearance: white or light yellow crystalline powder or crystals. Stored for a long time color will turn yellow.
  
  
  
  Grade: Food Grade,Industrial Grade,Photo Grade, Pharmaceutical Grade
  
  Storage: shading, sealing preservation. Prohibit contact with strong acid and strong oxidize
  Performance
  
  
  
  Sodium metabisulfite is white or yellow crystalline powder or crystals, with a strong smell of
  
  
  SO2, specific gravity is 1.4, soluble in water, acidic aqueous solution, contact with strong acids
  
  
  are released SO2 and generate the corresponding salts, for a long time in the air and oxidized
  
  
  to Na2S2O6, Products can't long-term exposed to the air. Higher than 150 degrees Celsius.
  
  
  Namely, after the decomposition get SO2.
  
  Application
  
  
  
  
  
  1,Food Grade:
  
  
  Bleach agent (e.g. candies, cake, bamboo shoots, etc);
  
  
  Loose agent (e.g. bread, cracker etc);
  
  
  Antiseptic and germicide (e.g. fruit juice, tinned food, brews, the cereals food is defended storage etc.) ;Inhibitor and freshen agent (e.g. day lily, seafood, fruit and vegetable etc.)
  
  
  
  
  
  2,Industry Grade:
  
  
  Mordant of printing and dyeing; Dechlorinate of textile after bleaching ;
  
  
  Sulphonated agent and reducer of chemical industry and pharmacy;
  
  
  Bleach of paper pulp, bamboo and timber bleach of Stap;
  
  
  Treatment agent of waste water;
  
  
  Rubber solidifying agent Perfume industry is served as hydro carbon perfume aldehyde.
  
  
  The hide profession employ to do to molt dose and pliable dose and wearproof dose ;
  
  
  sewage treatment, and so on .
  
  
  
  
  
  3,Pharmaceutical Grade:
  
  
  In chemical synthesis in the production of acrylic fibre, vitamin K, vitamin A, pharmaceutical intermediates, etc.
  
  
  
  
  
  4,Photo Grade:
  
  
  The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose.
  
  
  
  
  
  Packing: Packed in 25kg plastic woven bag,25kg kraft paper bag, 25kg PE bag, 1000kg jumbo bag or according to customer’s requirement
  
  

• CAS Registry Number:

  7681-57-4

• Synonyms:

  ;Sodium pyrosulfite;disodium disulphite;Sodium metabisulphite;Sodium disulphite;Sodium pyrosulphite;SODIUM DISULFITE;disodium oxidosulfanesulfonate oxide;Sodium Metabi;Metabisulfite Sodium;Sodium Metabisulfite (Food Grade);

• Molecular Formula:

  Na₂S₂O₅

• Molecular Weight:

  190.1065

• Molecular Structure:

  

• Hazard Symbols:

   Xn:Harmful;
  

• Risk Codes:

  R22:;
  R31:;
  R41:;
  

• Safety Description:

  S26:;
  S39:;
  S46:;
  

• Company:

  Weifang Ruidesheng chemical CO.,LTD     [ China ]        

• Contact:

  Lilith Lee

• Tel:

  +86-536-5330114

• Fax:

  +86-536-5300069

• Email:

  lilith@ruidesheng.com