Na2so3 Sodium Sulfite Preservative Fruit Antimicrobic Food Additive Water Reduce

 93 % Sodium Sulfite anhydrous Na2SO3

water reducer agent 

also have 96 97 98 % purity 

High Purity Anhydrous Sodium Sulfite / Sodium Sulphite Na2SO3

Sodium sulfite anhydrous;Sodium sulphite;anhydrous sodium sulfite;Sodium sulfite ,anhydrous;

EC NO : 231-821-4

Molecular Formula : Na₂SO₃

Sodium Sulfite 97% CAS No.:7757-83-7
Sodium sulfite anhydrous is a soluble sodium salt of sulfurous acid (sulfite) with the chemical formula Na2SO3.It is a white crystal powder or granule that tastes salty with sulphur odor,

 COA 

Usage & Applications:

1, in the field of water treatment

as the deoxidant of boiler water and oilfield flooding;

as antichlor for municipal and industrial water;

as the raw material for the production of sodium thiosulfate;

as the stabilizer of viscose acetal fibre;

as the bactericide of beer bottle.

2, in food industry: as bleaching agent, preservative, bulking agent, antioxidant and for the medicine synthesis

3, as analytical reagent, light dependent resistor materials and base solution of polarographic analysis

4, as antioxygen of cosmetics, mainly for hair dye cosmetics

5, as reducing agent of spice, dye and so on

6, in textile industry: as bleacher and deoxidier for fabric

7, in paper industry: as lignin removal agent

Properties:

White monoclinic system crystalline powder. Soluble in water, alkaline aqueous solution. Soluble in glycerin, insoluble in ethanol. 

Use:

Medicine, used as salting-out agent, coagulant, also used in paper, glass, printing and dyeing, synthetic fiber, leather and other industries

Mainly used as synthetic detergent filling material. Papermaking industry used in the manufacture of sulfate pulp cooking agent. Glass industry to replace soda ash. Used for manufacturing sodium sulphide, sodium silicate and chemical industry raw materials of other chemical products. Textile industry is used to allocate vinylon spinning coagulation bath. Pharmaceutical industry is used as the delay evacuant. Also used in non-ferrous metallurgy, leather, etc.

We products are 3% cheaper than the industry average pure 97%min Sodium Sulfite Price Na2SO3/anhydrous sodium sulphite  

Name:sodium sulphite anhydrous
Molecular Formula: Na2SO3
Molecular Weight: 126.04
Purity: 93%, 96%, 97%
CAS No.: 7757-83-7
Appearance: white crystalline powder
Index name Premium grade
Super grade First grade Salable product
Sodium sulfite ( Na2SO3 ) , % ≥ 97.0 96.0 93.0
Fe , ≤ 0.003 0.005 0.01
Water insoluble matter , % ≤ 0.02 0.03 0.05
Free alkali ( as Na2SO3 ) , % ≤ 0.10 0.40 0.60
Na2SO4 , % ≤ 2.50 / /
NaCl , % ≤ 0.10 / /
Packaging Detail :
1.25kg/50kg compound plastic woven bag with inner polythene liner ,1000kg Jumbo bags
2.Any other particular requirements to the package can be discussed
Application:
1.Bleaching agent for paper pulps
2.Waste water treatment
3.Reducing and sulphonating agent for chemical synthesis
4.Bleaching agent for textiles
5.Colors stripper and deoxidization
6.Floating agent for mining industr
7.Auxiliary chemical in tanning process

erik@nbschem.com