Sodium Bromide

Sodium Bromide
intro:


molecular formula：NaBr

molecular weight：102.9

H.S. CODE：2827.5100

Usage:：This product is used for making sensitive emulsion of photographic film and for making medicinal intermediates in medico-industries, e.g. diuretic , sedative etc. It is also used as bromide making complex material and complex dyes.

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 value
5.5-8.5
5.5-8.5


Properties: This product is white cubic crystal or white fine grain, belongs to regular system, white specific gravity 3.203 and melting point of 755℃, it is free of small and tastes salty and slightly bitter. It absorb water easily and agglomerates in the air, but does not deliquesce. It dissolves easily in water but slightly in alcohol. Its water solution is neutral and has electoconductibility.It should be stored in ventilated and dry storehouses. It must be noted that the product guards against damp and keeps in dark place, the fire can be put out by water in case of fire.

Package:25kg, 50kg, 500kg, 1000kg. Each by knitting bag with plastic inside.