Chloramine B Water treatment Molecular formula:c7h7clno2sna2h2o Cas no.:127-52-6 Appearance:white crystal powder Content:99.5% min Active chlorine:27% min Clarify:lucency Ph:9~11 Iron: 10ppm max Heavy metal:10ppm max Packing:25kg/50kg paper drum Packing:25kg/50kg paper drum 38 x 46