Potassium Bromide Powder

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Potassium Bromide Powder

Chemical Name:
Potassium Bromide Powder
Formula:

KBr

CAS Number:
7758-02-3

General & Use:

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 in automotive under-the-hood parts and specialty fibers. It is as well used in preparing photographic emulsions and developing solutions and in pharmaceutical preparations.

Typical Properties:

Property

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) %
<2

Alkaline Earth Metals (as Ba) %
<0.05

Mercury (as Hg) ppb
<5

Calcium (Ca) ppm
<5

 

Flammability and Explosivity:

Non flammable and non-explosive. when strongly heated, it may emit bromine fumes.

 

Toxicity:

LD50 (oral,rat): >5,000 mg/kg.
Potassium bromine is an irritant to eyes.

 

Packaging:

25 Kg Valve Bags.

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