potassium Bromide

potassium Bromide
intro:


molecular formula：KBr

molecular weight：119

H.S.CODE：2827.5100

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

Specifications：


Medical grade
Photo grade

Content
99% min
99.5% min

Loss on drying
0.5% max
0.3% max

Chloride
0.5% max
0.2% max

Sulphate
0.2% max

Bromate
100ppm max
100ppm max

Heavy metal(Pb)
/
10ppm max

As
/
4ppm max

Mercury
/
3ppm max

Iodide
/
50ppm max

Microelement
/
0.5ppm max

PH
5.5-8.5
5.5-8.5


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.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.

Packing:25Kg PP+PE bag or HDPE bag