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Molecular formula: NH4BrCAS No.: 12124-97-9

Items	Photo First Grade	PhotoSecond Grade	Medical Grade
Main content	99.5% min	99.5% min	99.0% min
Loss on drying	0.5% max	0.5% max	0.5% max
Water Insoluable	0.005% max	0.01% max
Chloride	0.2% max	0.2% max	0.5% max
Iodide	0.001%max
Sulphate	0.005%max	0.005% max	0.01% max
PH Value(5%)	4.56.0	4.56.0	4.56.0
As			≤0.0004
Pb	0.2ppm max	5ppm max	5ppm max
Fe	0.5ppm max	1ppm max
Cu	0.5ppm max	1.0ppm max
Bi	0.2ppm max	0.5ppm max
Peroxide solution penetrability(250g/l)	93100(410nm)	85100(410nm)
Transparency  test	Qualified	Qualified
Peroxide solution chromaticity(250g/l)	(15.0 Black once)max
Packing	PP bag with PE inner bag/fibre drum,25kgs per bag/drum

Our main products are oilfield chemicals-Calcium Bromide Zinc BromideSodium Bromide Pharmaceutical and Photographic Grade Potassium Bromide Ammonium BromideHydrobromic Acid Lithium Bromide as well as organic bromine flame retardants including Tetrabromobisphenol A and so on.

Ammonium Bromide