SODIUM METABISULPHITE MANUFACTURER
Name : Sodium Metabisulphite
Grade : Food
Description : Sodium Metabisulphite is a free flowing crystalline powder with odor of SO 2
Formula : Na 2 S 2 O 5
Synonyms : Anhydrous Sodium Bisulphite, Sodium Pyrosulphite, Sodium disulphite
Molecular Weight : 190.12
Bulk Density : 1.2 - 1.3 kg/dm 3
Appearance : White free flowing crystals
Appearance of 20% Solution: Clear & Colorless or Pale yellow.
CAS NO : 7681-57-4
|Assay||% w/w||98.0 Min.|
|SO2||% w/w||66.0 Min.|
|Clarity of 10%||Clear|
|Insoluble||% w/w||0.05 Max.|
|Iron (as Fe)||PPM||5 Max.|
|Heavy Metal||PPM||10 Max.|
|pH of 5% Solution@250C||4.0 – 4.8|
|Sodium Thiosulphate||% w/w||0.01 Max.|
|Arsenic (as As)||PPM||1 Max.|
|Chloride as NaCl||PPM||50 MAX.|
The indicated values are determined according to our Standard Analysis method, which can be produced on request. Test Method used: IS11752 BIS 1986
25 Kg Polypropylene Woven / paper bags with heat sealed inner liner.
500 Kg and 1000 Kg Jumbo Bags.
Storage & Handling
Store the product in a cool & and dry place. It absorbs moisture & oxidizes if container is not kept tightly closed. If heated over 60 o C, SO 2 is evolved, forming Sodium Sulphite.
For more information kindly refer to the Material Safety Data Sheet.
Major Applications of Sodium Metabisulphite
Effluent water-treatment to remove excess Chlorine & detoxification of Chromic acid in electroplating industries.
Food Industry as: 1.Preservative (Dehydrated foods, Shrimps, Meat etc), 2. Anti-browning, 3. Anti- fermentation & 4. Bleaching.
Photographic Industry for production of developer Solution / Acidizing Fixation Baths.
Chemical synthesis in the production of Sulphonates, Resins, Iodine & Acrylic Fibres.
Purification of Aldehydes & Ketones.
Pulp and Paper for De-lignification and Textile as Bleaching Agent, Anti-Chlor and Anti peroxides.
Tanneries as an Auxiliary in Decalcification & Bleaching Process.
Starch Production as bleaching agent & bactericidal.
Mining Industry as Floating agent., cyanide detoxification
Processing of Latex as preservative & Bleaching agent.
Steam boiler & drilling water as a oxygen scavenger.
Manufacturing of Indigo Vats dyes.
Reverse Osmosis as antichlor
Medical as manufacturing of anti oxidant drugs
Brewing as bactericidal
This Technical data sheet Identified as TDS / SM / 0108. Cancels & replaces all previous editions.
The data contained herein are given purely as a guide. W e undertake no responsibility either for the results-deriving from their adoption or for possible position in apparent contrast with existing patent right.