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Sodium Metabisulfite

Sodium Metabisulfite

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Product Description

Product name: Sodium Metabisulfite
Formula: Na2S2O5
Molecular Weight: 190.12
Melting Point 150 ° C
HS: 2832100000
CAS No. 7681-57-4
EINECS No. 231-673-0

Properties:
White or light yellow crystal powder, a strong smell of sulfur dioxide, relative density is 1.4, easy to dissolve in water and glycerin, water solution. It has acidity, and its solubility will become large while raising the temperature and is less to dissolve in ethanol.

Packing: Packed in 25kg plastic woven bag, 25kg Kraft paper bag, 25kg PE bag, 500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer's requirement.

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.

Storage: Store the product in a dry and cool place.
Specification For Food Grade and Industry Grade:

Item Quality Index
Food Grade Industry Grade
Purity ( As Na 2 S 2 O 5 ) 98.0% min 96.0% min
Sulfur Dioxide( SO 2 ) 65.0% min 65.0% min
Arsenic ( As ) 0.0002% max -
Heavy metals ( As Pb ) 0.0005% max -
Selenium (Se ) 0.0005% max -
Iron (Fe) 0.001% max 0.002% max
Water insoluble 0.02% max 0.05% max
PH value: 4.0-4.8 4.0-4.8
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