Sodium Sulfite 96% (CAS No.: 7681-57-4)

Specification

1. Molecular Formula: NA2SO3.7H2O

2. Molecule Weight: 126.04
Na2CO3 100% 0.800
S 98% 0.305
NaOH 100% 0.111

3. Properties: Colorless monoclinic crystal. Density 1.561


7. Appearance: White or slightly yellow crystal powder

8. Odor: Strong sulfur dioxide odor

9. Package: PE liner plastic woven bags or compound woven bags outside, 25kg or 50kg net.


Application:


Industrial grade:

1. Used as deoxidizer and bleaching agent in the scouring of cotton fabrics;

2. Used as developer in photosensitive industry;

3. Used as reductant in the production of m-phenylenediamine, 2, 5 dichloropyrazolone, anthraquinone-1-sulfonate, 1-aminoanthraquinone and Aminosalicylic acid, sodium salt;

4. Used as removing agent of lignin, stabilizer of artificial fiber,

5. Used in light dependent resistors, the treatment of plating sewage and drink water.




3. Transportation Information:

DOT Classification:
Not a DOT controlled material
U. N.
Not applicable.
Packing Group:
Not applicable.

4. Storage & Handing

(1). Precautions:
Keep locked up.
Do not ingest.
Do not breathe dust.
Avoid contact with skin.
Wear suitable protective clothing.
In case of insufficient ventilation, wear suitable respiratory equipment.
If ingested, seek medical advice immediately and show the container or the labels.
Keep away from incompatibles such as oxidizing agents, acids.

(2). Storage:
Not allowed in room with any oxidant or strong acid, and keep away from an oxidation by air or humidity.
Sodium Metabisulphite should NOT store for long time. DO NOT mix with inflammable substances, gasoline and oxidants.
During transportation, keep away from direct sunlight and humidity.

5. Packing
In net 25kg / 1000kg / 1100kg / 1200kg / 1250kg pp bags
Packing with pallets ( per customer's requirements )
25MT/20'FCL