China (Mainland)
Sodium sulfite anhydrous 96% 97% sodium sulphite CAS NO.7757-83-7
- FOB Price: USD: 460.00-470.00 /Metric Ton Get Latest Price
- Min.Order: 5 Metric Ton
- Payment Terms: L/C,D/A,D/P,T/T
- Available Specifications:
food grade(5-25)Metric Tonfood grade(10-50)Metric Ton
- Product Details
Keywords
- sodium sulphite
- sodium sulfite
- Na2SO3
Quick Details
- ProName: Sodium sulfite anhydrous 96% 97% sodiu...
- CasNo: 7757-83-7
- Molecular Formula: Na2SO3
- Appearance: White powder or small crystalline part...
- Application: 1>Bleaching agent for paper pulps ; ...
- DeliveryTime: Within two weeks
- PackAge: packed in 20,50 kgs net plastic woven ...
- Port: Huangpu/Shanghai
- ProductionCapacity: 20000 Metric Ton/Year
- Purity: 97%min
- Storage: Not allowed in room with any oxidant o...
- Transportation: By Sea.
- LimitNum: 5 Metric Ton
- Water Content: 0.03%
- Grade: Industrial Grade,Food Grade
- Na2SO3: >97%
- FREE ALKALI: <0.1%
- IRON: <0.002%
- WATERINSOLUBLE MATTER: <0.02%
- SODIUM SULFATE(Na2SO4): <2.5%
- NACL: <0.1%
Superiority
1.Rich export experience over 10years.
2.Has own factory
3.Familar different country rules
4.Free sample can be provied before place
Details
Sodium sulfite anhydrous 96% 97%sodium sulphite
is a soluble sodium salt of sulfurous acid (sulphite) with the chemical formula Na2SO3.It is a white crystal powder or granule that tastes salty with sulphur odor.
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CAS No.: |
7757-83-7 |
|
EINECS: |
231-821-4 |
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H.S.CODE: |
2832.1000.00 |
1. Chemical Analysis
|
Component |
Range |
Typical |
|
Na2SO3 % |
≥ 97.0 % |
97.37% |
|
Fe % |
≤ 0.003% |
0.003% |
|
Water insoluble matter |
≤ 0.02% |
0.02% |
|
Na2CO3 |
≤ 0.10% |
0.10% |
|
Na2SO4 |
≤ 2.5% |
2.5% |
2. Application
|
Pulp and paper industry |
Lignin removal agent |
|
Water treatment |
Oxygen scavenger agent. |
|
Photographic industry |
To protect developer solutions from oxidation and (as hypo clear solution) to wash fixer (sodium thiosulfate) from film and photo-paper emulsions. |
|
Textile industry |
Bleaching, desulfurizing and dechlorinating agent |
|
Chemical manufacturing |
Sulfonation and sulfomethylation agent. It is used in the production of sodium thiosulfate. |
|
Leather trade |
The sulfitization of tanning extracts |
|
Other applications |
l froth flotation of ores l oil recovery l food preservatives l making dyes l It is used in the purification of TNT for military use. |
3. Transportation Information:
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DOT Classification: |
Not a DOT controlled material |
|
U.N. |
Not applicable |
|
Packing Group: |
Not applicable |
4. Handing & Storage
(1).Precautions:Do not ingest. Do not breathe dust. Wear suitable protective clothing. If ingested, seek medical advice immediately and show the container or the label. Keep away from incompatibles such as oxidizing agents, combustible materials, organic materials, acids.
(2).Storage: Air sensitive. Moisture sensitive. Keep container tightly closed. Keep container in a cool, well-ventilated area.
5. Packing
l In 25/50/1250kg bags
l 25-27MT/20’FCL.
