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Sodium sulfite
Product name:
Sodium sulfite
Alias:
Sodium sulfite anhydrous; Sodium sulphite; anhydrous sodium sulfite; Sodium sulfite ,anhydrous; Sodium Sulfite (Food Grade)
CAS No.:
7757-83-7
EINECS No.:
231-821-4
Molecular Formula:
Na
2
SO
3
Molecular weight:
126.04
Inches:
inch=1/2Na. H2O3S/C;; 1-4(2)3/H;; (H2,1,2,3)/K2*+1;/p-2
Molecular structure:
Density:
2.633
Water solubility:
23 g/100 mL (20℃)
Physicochemical properties:
Property Colorless monoclinic crystal.
The relative density is 1.561
Solubility Soluble in water, its aqueous solution is alkaline reaction, insoluble in ethanol.
Uses:
It is used as a stabilizer for man-made fibers, fabric bleaching agents, photographic developers, dyeing and bleaching deoxidizers, spices and dye reducing agents, and lignin removers for papermaking
Hazard Signs:
SN:
Harmful;
Risk Terminology:
R22: ;
R36/37/38: ;
Security Terminology:
S24/25: ;
Upstream Raw Materials:
Benzene, phenol, soda ash, sulfur dioxide, membrane caustic soda, sodium sulfite, sodium sulfide, sulfuric acid, caustic soda
Downstream Products:
Sodium thiosulfate, cuprous chloride, cuprous cyanide, copper, selenium, 2-naphthol, sodium allyl sulfonate, sodium methacrylenesulfonate, disodium sulfonyl sulfosuccinate, p-methylsulfonyltoluene, 1,3-dinitrobenzene, 3-nitroaniline, 1-amino-2-naphthol-4-sulfonic acid, 1-aminoanthraquinone, 1605 emulsifiable concentrate
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Sodium thiosulfate
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Sodium formate
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