Molecular Formula:NaBr
CAS No.:7647-15-6
CAS No.:7647-15-6
1. Grades & Specifications
|
item
|
Specification
|
|
|
Industry Grade
|
Photo Grade
|
|
|
Appearance
|
White Crystal
|
White Crystal
|
|
Assay(as NaBr)% ≥
|
99
|
99.5
|
|
Chloride(as Cl)%≤
|
0.1
|
0.1
|
|
Sulphates(as SO4)%≤
|
0.01
|
0.005
|
|
Bromates(as BrO3)%≤
|
0.003
|
0.001
|
|
PH(10% solution at 25 degree C)
|
5-8
|
5-8
|
|
Moisture%
|
0.5
|
0.3
|
|
Lead(as Pb) %≤
|
0.0005
|
0.0003
|
|
Iodide(as I)%≤
|
|
0.006
|
|
Iron(as Fe)%≤
|
|
0.0002
|
|
Transmittance 5% at 410nm
|
|
93.0-100.0
|
2. Applications
2.1 Used for making sensitive emulsion of photographic film;
2.2 Used for making medicinal intermediates in medico-industries, e.g. diuretic , sedative etc;
2.3 Used as operational fluids for offshore oil wells.
3. other properties
3.1 This product is white cubic crystal or white fine grain with specific gravity 3.203 and melting point of 755oC;
3.2 It absorbs water easily and agglomerates in the air, but does not deliquesce.
3.3 It dissolves easily in water but slightly in alcohol.
3.4 Its water solution is neutral and has electoconductibility
4. Packages:25kg, 50kg, 500kg, 1000kg Paper or Plastic Bags with plastic film inside.