Potassium Bromide
  • Product Name: : Potassium Bromide
  • Chemical Formula: : KBr
  • CAS No.: : 7758-02-3
  • Molecular Weight : : 119
  • Appearance: : Appearance:
  • H.S. CODE/HS: : 28275100
  • Prodcution Capacity: : 10000 MT

Potassium Bromide Specifications:

Item Specification
  Export Grade Photo Grade
Appearance White Crystal White Crystal
Assay(as KBr)% ≥ 99.0 99.5
Moisture% ≤ 0.5 0.3
Sulphate(as SO4)% ≤ 0.01 0.003
Chloride(as Cl)% ≤ 0.3 0.1
Iodide(as I)% ≤ passed 0.01
Bromate(as BrO3)% ≤ 0.003 0.001
Heavy metal(as Pb)% ≤ 0.0005 0.0005
Iron(as Fe)% ≤   0.0002
degree of Clearance passed passed
PH(10% solution at 25 degree C) 5-8 5-8
Transmittance 5% at410nm   93.0-100.00
Deoxidize experience(to KMnO4)   the red unchanged above half hour

Potassium Bromide Application:

  • This product is used as sensitive emulsion of cinema film and photographic film, or for formulating developer and used as sedative etc. In medication.

Shape and Properties:

  • This product is white crystal. It is free of smell and tastes salty and slightly bitter, with specific gravity 2.75(25℃),melting point of 734℃,and boiling point of 1435℃,It can dissolve water and glycerine, hardly dissolves in alcohol and ether with slightly deliquescence and under sunlight it will become yellow easily.

Notification:

  • The product should be completely packed and stored in ventilated and dry storehouses, and guard against damp and keep in dark place, in case of fire it can be put out by water.

Potassium Bromide Packing:

  • 25kg each by knitting bag with plastic inside.