Potassium 2,5-dihydroxybenzenesulfonate

 

[Molecular formula]: C₆H₅KO₅S

[Molecular weight]: 228.25

[Structural formula]:

             

[Properties]: white crystalline powder, easily soluble in water, soluble in alcohols, Melting point249 - 251℃.

[Quality index]:

Index name	Index
Assay %	≥98.0
Melting point ℃	249 ~ 251
Sulfate (as SO4) %	≤0.5
Iron (Fe) ppm	≤0.001
Heavy Metals (as Pb) %	≤0.001
Loss on drying   %	≤0.2

[Uses]:  Widely used in pharmaceutical and organic synthesis industry.

[Packaging, storage & transportation]: 25KG composite bag, lined with double-layer plastic bag or cardboard drum. It is non-toxic, harmless, treated as common chemicals.