|Place of Origin:||Hunan|
|Model Number:||pharmaceutical 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 Sodium Sulfite||Other Name:||Pharmaceutical Anhydrous Sodium Sulphite|
|Shelf Life:||2 Years||Grade:||Tech Grade , Industry Grade|
|Usage:||Pharmaceutical Chemical||Mocular:||Na2SO3 98%|
Anhydrous Sodium Sulfite
sodium sulphite/ sodium sulfite
sodium sulfite 7757-83-7
1.High quality and competitive price
sodium sulfite 7757-83-7
|sodium sulfite (Na2SO3), mass fraction /%||97.0|
|Fe, mass fraction /%||0.01|
|Free alkali(as Na2SO3), mass fraction /%||0.60|
|Heavy metals(as Pb), mass fraction /%||0.001|
|As (As), mass fraction /%||0.0002|
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.
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