Shandong Brother Sci.&Tech. Co.,Ltd

Potassium Bromide

• Category :

  Organic chemicals and Derivatives

• CAS NO :

  7758-02-3

• EC NO :

  231-830-3

• Molecular Formula :

  BrK

• Molecular Weight :

  119.0023

• Main Specifications :

• InChI :

  InChI=1/BrH.K/h1H;/q;+1/p-1

• Product description :

  Molecular formula: KBr
  CAS No.: 7758-02-3

  Items	Photo First Grade	Photo Second Grade	Medical Grade
  Main content	99.5% min	99.5% min	99.0% min
  Loss on drying	0.3% max	0.3% max	0.5% max
  Chloride	0.2% max	0.2% max	0.5% max
  Bromate	0.001% max	0.003% max	0.005% max
  Iodide	0.001%max	0.005% max	0.005% max
  Sulphate	0.005%max	0.005% max	0.01% max
  PH Value(5％)	6.0—7.5	5.5—7.5	5.5—7.5
  As	—	—	≤0.0004％
  Pb	0.2ppm max	4ppm max	10ppm max
  Fe	0.5ppm max	4ppm max	5ppm max
  Cu	0.5ppm max	1.0ppm max	1ppm max
  Bi	0.2ppm max	0.5ppm max	—
  Peroxide solution penetrability(250g/l)	93～100 (410nm)	85～100(410nm)	—
  Transparency test	Qualified	Qualified	—
  Ammonia	15.0ppm max	—	—
  Peroxide solution chromaticity(250g/l)	(15.0 Black once)max	—	—
  Packing	PP bag with PE inner bag/fibre drum,25kgs per bag/drum

• Molecular Structure :