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Food Grade Sodium Sulphite Na2So3

Food Grade Sodium Sulphite Na2So3
Categories Food Additives
Supply Ability: 700mt
Payment Terms: T/T, L/C
Packaging Details: 1> We can make the shipping mark according to your requirement. 2> We can supply the package of 25
Delivery Port: huangpu, tinjing, shanghai.
Model Number: 96
Country of Origin: Hunan , China (mainland)
Min. Order: 10 Tons
Place of Origin: china
Category: Pallets
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Food Grade Sodium Sulphite Na2So3

Product Specifications / Features

1. Sodium Sulfite
CAS: 7757-83-7
EINECS: 231-821-4
MOLECULAR FORMULA: Na2SO3
MOLECULAR WEIGHT: 126.04
APPEARANCE: Off-white crystals or powder.
PURITY: 93%, 96%, 97%
2. Properties:
Sodium Sulfite is a reducing agent soluble in water. Its solution in water is basic. It is feeble soluble in liquid chlorine or ammonia.
3. specification
Items
Norms (industrial grade)
Superior-grade
First-grade
Qualified-grade
Na2SO3 -content % ≥
97.0
96.0
93.0
Fe-content % ≤
0.003
0.005
0.02
Water-insoluble matter content % ≤
0.02
0.03
0.05
Free alkali as Nacontent % ≤
0.10
0.40
0.80
Na2SO4 -content % ≤
2.5
NaCL-content % ≤
0.10
4. Usage
1> In Photography- In formulation of developers and fixers solutions.
2>In Water Treatment -Oxygen scavenger in Boiler water and drilling water.
3> In Effluent water-treatment of excess chlorine & detoxification of chromic acid in electro plating industries.
4>In Pulp & Paper-In processing of semi-chemical pulp production in chemi-thermo-mechanical and kraft pulping process.
5> In Chemical industry-in manufacture of Sodium thiosulphate, sulphonating agent
6> In Detergents- manufacture of sulfosuccinates – sampoo.
7>In Dyetuffs-reducing agent in manufacure of indigo - vat dyes
8> In Rubber-stabilizing latex. – anticogulant.
9>In Minerals-Ore floatation aid.
10>In Leather industry-antibacterial in tanning process.
11>In Food processing-as preservative, antioxidant and enzyme inhibator.
5. Package
1> We can make the shipping mark according to your requirement.
2> We can supply the package of 25 Kg /50kg compound plastic woven bag with inner Polypropylene liner.
3> We can supply the package of JUMBO Bag.
4> The general package is three layer, which can protect the goods very well.
6. Storage & handling
1> Store the product in a cool and dry place.
2> Prevent from direct sunlight, water and moisture.
3> Avoid contact with strong acid, oxidants or poisonous substances.
4> Exposure to moisture will make it oxidze easily to sodium sulphate.
5> Do not store it for long time.
7. Shelf Life:
one year

Competitive Advantages

Well and High Quality Control ,
Prompt Delivery ,
Competitive Prices

Quality Food Grade Sodium Sulphite Na2So3 for sale
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