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| Place of Origin: | Hunan |
| Brand Name: | Kemsky |
| Certification: | ISO 9001 |
| Model Number: | sodium sulfite paper making tech grade |
| 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: | Sodium Sulfite Paper Making Tech Grade | Other Name: | Anhydrous Sodium Sulphite Paper Making Tech Grade |
|---|---|---|---|
| Situation: | Dry Powder | Usage: | Paper Making Chemical Tech Grade Bleaching Agent |
| Packing: | 25 Kgs Plastic Woven Bag / Or As Required | Mocular: | Na2SO3 |
| Highlight: | sodium sulfite as oxygen scavenger,sodium sulfite water treatment |
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Anhydrous Sodium Sulfite
Competitive price Na2SO3 anhydrous Sodium sulfite
CAS no:7757-83-7
EINECS no:231-821-4
Molecular formula:Na2SO3
Molecular weight:126.04
Our Advantages:
Fast shipment by reputed shipping line
Packing with pallet as buyer's special request
Best service after shipment with e mail
Cargoes photo before and after loading into container
Raw materials from chinese origine and after loading into container
Quality standard : Q/320124JM02-2003
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
Specification:
| Quality Standard(GB2967-2000) | |
| Items | Company Standard |
| Sodium sulfite(Na2SO3) %≥ | 97 |
| Fe %≤ | 0.003 |
| Water insoluble material %≤ | 0.02 |
| Free alkali(Na2SO3) %≤ | 0.1 |
| Na2SO4 %≤ | 2.5 |
| NaCl %≤ | 0.1 |
Storage:
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
Harm:
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
sodium sulphite/ sodium sulfite
Product Description
Specification of Sodium sulfite for Industry Grade and Food Grade:
| Item | Quality Index | |
| 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 |
Description of Sodium Sulfite:
1. Purity: 96%,98%
2. CAS no.: 7757-83-7
3. MF: Na2SO3
4. Appearance: White crytal powder
5. Usages:
(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.
6. Storage
Sodium sulfite should be stored in a dry and cool place.
7. Package
Sodium sulfite is packed in net weight 25kg plastic woven bag with plastic inner bag.
25tons/20'FCL.
anhydrous sodium sulfite 96%minNa2SO3
Contact Person: Mrs. Kim Xie
Tel: +8613975090964
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