Origin	China
Brand Name	sanjiang
CAS No.	7681-57-4
Purity	97%

Sodium Metabisulphite For Food Use

Molecular Formula:Na₂S₂O₅  

Molecule Weight:190.10
Appearance:White or light yellow crystalline powder
Quality standard: GB1893-86           CAS竊�/span>  7681-57-4

Test Item	Standard Request.	Results of Test	Individual Result
Appearance	White or light yellow crystalline powder	Meet the demand	Pass
Content(Na2S2O5%)	≥95%	97.26%	Pass
SO2%	≥65%	65.55%	Pass
Fe%	≤0.005%	0.003%	Pass
Insoluble substance  in water%	≤0.05%	0.01%	Pass
Heavy metal (Pb)%	≤0.002%	0.001%	Pass
As%	≤0.0002%	0.0001%	Pass
PH	4.0-4.6	4.3	Pass

Main uses: 
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 竊�/span>brews, the cereals food is defended storage etc);
Inhibitor and freshen agent (e.g.day lily, seafood, fruit and vegetable etc)

Packaging:in polythene plastic bag with a polypropylene overbag, paper-plastic composite bag, kraft bag, etc.

Netweight:25,50,1000kilograms per bag or following your demand.

Sodium Metabisulphite For Industrial Use

Molecular Formula:Na₂S₂O₅
Molecule Weight:190.10
Appearance:white or light yellow crystalline powder.
Quality standard:HG/T2826——1997       CAS竊�/span>  7681-57-4

Test Item	Standard Request.	Results of Test	Individual Result
Appearance	White or light yellow crystalline powder	Meet the demand	Pass
Content(Na2S2O5%)	≥95%	97.26%	Pass
SO2%	65%	65.55%	Pass
Fe%	≤0.005%	0.003%	Pass
Insoluble substance  in water%	≤0.05%	0.01%	Pass
Heavy metal (Pb)%	≤0.002%	0.001%	Pass
As%	≤0.0002%	<0.0001%	Pass
PH	4.0-4.6	4.3	Pass

Main uses:

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 stapk;

Treatment agent of waste water;

Rubber solidifying agent Perfume industry is served as hydrocarbon perfume aldehyde;

The hide profession employ to do to molt dose and pliable dose and wearproof dose ;

The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose and so on;

sewage treatment. etc

Packing: in polythene plastic bag with a polypropylene overbag, paper-plastic composite bag, kraft bag, etc.

Net weght: 25,50,1000 kilograms per bag or following your demand.

 We welcome your orders for bromide products, magnesium chloride, industrial crude salt and bittern serial chemicals.