Molecular formula: NA2SO3.7H2O
Molecular weight:126.04
CAS No.:7757-83-7
Structural formula:
Properties: colorless monoclinic crystal. Density 1.561
Quality standard: Industrial Grade:national standard GB/T 9005-88；photo grade :national standard GB/T 10550-89
Consumed quota: adsorption method of Na2CO3 liquid
Na2CO3 100% 0.800
S 98% 0.305
NaOH 100% 0.111
Uses: used as deoxidizer and bleaching agent in the scouring of cotton fabrics; used as developer in photosensitive industry; used as reductant in the production of m-phenylenediamine, 2,5-dichloropyrazolone, anthraquinone-1-sulfonate, 1-aminoanthraquinone and Aminosalicylic acid, sodium salt ; used as removing agent of lignin, stabilizer of artificial fiber, or used in light dependent resistors, the treatment of plating sewage and drink water.
Packing & storage: Net wt 50kg in plastic bag or rubber bag lined with PE plastic bag (double-layer kraft in the middle of packing). The mouth of inner bag is tied and hot-seamed and outer mouth is seamed. Sealed tightly, kept in cool and dry place, no contact with air, or mix with oxidant, strong acid and toxic & harmful substance. It is easy to deliquescence, so it should not be stored for long time. Avoid rain and insolation. If fire, fighting with water and fire extinguisher.
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