Cas No. :7757-83-7
Quantity: 200,000Kilograms
Payment Method: T/T，L/C
Specification:
Item Name: Sodium Sulphite 68%
Other Name: Sodium Sulfite, Sulfur Oxide Powder, Anhydrous Sodium Sulphite.
CAS No.: 7757-83-7
EINECS No.: 231-821-4
MF: Na2SO3 Purity: 97%
Appearance: Colorless Homocline Crystal
Packing: 25Kg per Plastic woven bag, 22MT/20"FCL
Na2SO3 | Fe | Water insoluble matter | Free alkali | | NaCl |
97 | <0.003 | <0.02 | <0.10 | <2.5 | <0.1 |
Applications:
Sodium sulfite is primarily used in the pulp and paper industry. It is used in water treatment as an oxygen scavenger agent, in the photographic industry to protect developer solutions from oxidation and (as hypo clear solution) to wash fixer (sodium thiosulfate) from film and photo-paper emulsions, in the textile industry as a bleaching, desulfurizing and dechlorinating agent and in the leather trade for the sulfitization of tanning extracts. It is used in the purification of TNT for military use. It is used in chemical manufacturing as a sulfonation and sulfomethylation agent. It is used in the production of sodium thiosulfate. It is used in other applications, including froth flotation of ores, oil recovery, food preservatives, making dyes.
Trade Terms:
Payment terms: T/T, L/C
Price terms: Exw, FOB, CFR, CIF
Production capacity: 2000MT/20 Days
Lead time: 10~20 Days
Xn:Harmful;