|Place of Origin:||Hunan|
|Model Number:||pharmaceutical industry SSA sodium sulfite|
|Minimum Order Quantity:||1 metric ton|
|Price:||usd 430 per metric ton|
|Packaging Details:||25 kgs bag,1000 kgs big bag|
|Delivery Time:||5-8 days|
|Payment Terms:||T/T , L/C|
|Supply Ability:||3000 tons per month|
|Name:||Pharmaceutical Industry SSA Sodium Sulfite||Other Name:||Pharmaceutical Industry SSA Anhydrous Sodium Sulphite|
|Situation:||Crystal Dry Powder||Usage:||Pharmaceutical Chemcial|
|Packing:||25 Kgs Plastic Woven Bag/or As Required||EC No:||231-821-4|
Anhydrous Sodium Sulfite
Uses:dechlorinating agent, bleaching agent, developer, reductant, stabilizer,
or used in papermaking, electronic and water treatment industry.
Packing:in polythene plastic bag with a polypropylene overbag, paper-plastic
composite bag, kraft bag
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Packaging & Delivery
Shipped in 10 days after payment
Specification of Sodium sulfite for Industry Grade and Food Grade:
|Industry Grade||Food Grade|
|Purity ( As Na2SO3)||96.0% min||98.0% min|
|Sodium sulphate ( SO4)||2.0% max||1.2% max|
|Chlorides ( As NaCL)||0.5% max||0.08% max|
|Arsenic ( As )||-||0.0002% max|
|Heavy metals ( As Pb )||-||0.0005% max|
|Iron (Fe)||0.005% max||0.003% max|
|Water insoluble||0.05% max||0.01% max|
sodium sulphite/ sodium sulfite
Description of Sodium Sulfite:
Sodium sulfite should be stored in a dry and cool place.
Sodium sulfite is packed in net weight 25kg plastic woven bag with plastic inner bag.
anhydrous sodium sulfite 96%minNa2SO3
2.CAS no.: 7757-83-7
4.Appearance: White crytal powder
(1) Industry Grade : Used in Dyeing and printing Industry , as dechlorinating agent and bleaching agent, in leather and tanning industry as bleaching agent , developer agent , reductant agent , stabilizer agent , or used in papermaking, electronic and water treatment industry.
(2) Food Grade: In food industry as additive (E223) preservative, antioxidant and antimicrobic for fruits (dried, glazed and candled), vegetables (onions, potatoes, etc.), juices (citrus and grapes) and fish (shrimps and prawns). In silage treatment as anti-fermentative. In starch and sweeteners production as bacteriostatic.
(3) Photo Grade: In the photographic industry as component of developer bath.
(4) Pharmaceutical Grade: pharmaceutical industry for the production of chloroform, benzene and formaldehyde phenylpropanoid Sulfone.
|Sodium sulfite(Na2SO3) %≥||97|
|Water insoluble material %≤||0.02|
|Free alkali(Na2SO3) %≤||0.1|
1, should be stored closely in the shady, cool and dry warehouse under 30 centigrade
2, package should be sealed without contacting with air, preventing becoming damp and deteriorated
For health: it will decompose hydrogen sulfide in gastrointestinal tract, causing hydrogen sulfide poisoning; it will corrode skin and eyes
For environment: it will pollute environment
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
Contact Person: Ms.xie