1. Storage and
Transportation:: Stored in a
cool, well-ventilated area. Relative humidity keep below
*5%. mixed with no oxidant, acids, combustible, edible
chemicals etc. Transit should prevent insolation, rain and high
temperature. in the stopover it should be protected from direct
sunlight, heat. Transportation vehicles, ships must be dry, and
have good rainproof facilities.
2. Usage: used in
printing industry, medicine, dressing and thiourea and sulfides
synthesis, etc
3. Production
technologyCOONa + 2SO2
+ NaOH== Na2S2O4 + CO2 +H2O
