Potassium Bromide
Potassium Bromide is used in combination with copper complexes as heat stabilizer in polyamide compounds, where high thermal stability during the product’s life cycle is needed. The main applications of such heat stabilized polyamides are materials for the automotive industry (under-the-hood parts) and specialty fibers. In addition, it is used in preparing photographic emulsions, developing solutions and in pharmaceutical preparations.
Formula: KBr
Packaging: 25 Kg Valve Bags.
Flammability and Explosivity: Non flammable and non-explosive. when strongly heated, it may emit bromine fumes.
CAS Number
7758-02-03
Key Benefits
- A bromide source
- Inorganic salt
- Heat stabilized polyamide
Typical Properties
Appearance
White Crystalline Powder
Appearance of 25% solution
Clear, Colorless
Assay (as KBr) %
>99.5
Loss on Drying %
<0.3
Transmittance of 25% Sol 410 nm %
>96
pH of a 5% aqueous solution
6-7.5
pH of a 25% Solution
6-7.5
Chlorides (as Cl–) wt %
<0.1
Iodides (as I–) %
<0.01
Sulfates (as SO4) Wt%
<0.005
Oxidizing Subst (as KBrO3) %
<0.001
Resistance to KMnO4 Minutes
>10
Heavy Metals (as Pb) ppm
<3
Iron (as Fe) ppm
<2
Alkaline Earth Metals (as Ba) %
<0.05
Mercury (as Hg) ppb
<5
Calcium (Ca) ppm
<5
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