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1. Apperance: Black-grey prill or granule crystal
2. Assay: 99.5%-100.5%
3. Usage:
1). Used to make pesticide,feed additives,dye, iodine solution,test and medications.
2). Used to make equivalent solvent, determine iodine value,the content and calibration of sodium solution concentration.
3). Used to be disinfectant , photoengraving for good fittings and thinning liquid preparation.
4.CAS No. : 7553-56-2