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sodium salt anhydrous sodium sulfite price
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.
CAS RN.: |
7757-83-7 |
EINECS: |
231-821-4 |
H.S.CODE: |
2832.1000.00 |
1. Chemical Analysis sodium salt anhydrous sodium sulfite price
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 sodium salt anhydrous sodium sulfite price
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:
DOT Classification: |
Not a DOT controlled material |
U.N. |
Not applicable |
Packing Group: |
Not applicable |
4. Handing & Storage sodium salt anhydrous sodium sulfite price
(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. Packaging sodium salt anhydrous sodium sulfite price
l In 25kg bags
l 25MT/20’FCL.
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