China (Mainland)
high quality with best price Sodium Sulfite Anhyrous CAS NO.7757-83-7
- Min.Order: 25 Metric Ton
- Payment Terms: L/C,D/P,T/T,
- Product Details
Keywords
- Sodium Sulfite Anhyrous
- high purity 93%-99%
- water treatment
Quick Details
- ProName: high quality with best price Sodium Su...
- CasNo: 7757-83-7
- Molecular Formula: Na2SO3
- Appearance: white crystals powder
- Application: paper pulps, waste water treatment, le...
- DeliveryTime: 7-12days
- PackAge: 25kg/50kg woven bag or as customers' r...
- Port: Changsha, Wuhan, Qingdao, Guangzhou
- ProductionCapacity: 5000 Metric Ton/Day
- Purity: 96% 93%
- Storage: dry
- LimitNum: 25 Metric Ton
- Heavy metal: great
- Grade: Industrial Grade,Food Grade,Electron G...
- Mol wt: 126.04
Superiority
high quality Sodium Sulfite Anhyrous made in China with lowest price
Details
Specification 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 |
Sodium Sulfite features:
1.Purity: 96%,98%
2.CAS no.: 7757-83-7
3.MF: Na2SO3
4.Appearance: White crytal powder
5.Usage
(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.