Sodium Sulfite, Sodium Sulphite, Na2SO3

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$330.00 - $350.00 / Metric Tons | 1 Metric Ton/Metric Tons (Min. Order)
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Overview
Quick Details
Classification:
Sulphate
Type:
Sodium Sulfite
CAS No.:
7757-83-7, 7757-83-7
Other Names:
Sodium Sulphite
MF:
Na2SO3
EINECS No.:
231-821-4
Place of Origin:
Hunan, China (Mainland)
Grade Standard:
Agriculture Grade, Food Grade, Industrial Grade, Reagent Grade
Purity:
96%
Appearance:
white solid
Application:
Lignin removal agent ;Oxygen scavenger agent;etc.
Brand Name:
ChoiceChem
Model Number:
Andyrous
Name:
Sodium Sulfite, Sodium Sulphite, Na2SO3
Product Name:
Sodium Sulphite
Chemical Name:
Sodium Sulphite
Chemical Formula:
Na2SO3
Solubility in water:
67.8 g/100 mL (18 °C, heptahydrate)
Solubility:
soluble in glycerol
Acidity (pKa):
~9 (heptahydrate)
Refractive index (nD):
1.565
Crystal structure:
hexagonal (anhydrous)
Supply Ability
Supply Ability:
5000 Metric Ton/Metric Tons per Month
Packaging & Delivery
Packaging Details
- In 25kg bags
- 25MT/20'FCL.
Port
Changsha / Yueyang, China
Lead Time :
in 7 woking days
Video Description

Sodium Sulfite, Sodium Sulphite, Na2SO3

 is a soluble sodium salt of sulfurous acid (sulfite) 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

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

lfroth flotation of ores

loil recovery

lfood preservatives

lmaking dyes

lIt 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

 

(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

lIn 25kg bags

l25MT/20’FCL.

 

 

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