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China make sodium metabisulfite industrial grade powder

Inquiry
  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: 7681-57-4 Sodium metabisulfite
  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
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