Amm. Bromide Comp.

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Amm. Bromide Comp.

Chemical Name:
Ammonium Bromide Compacted
Formula:

NH4Br

CAS Number:
12124-97-9
Bromine content (%):
81.6
Molecular Weight:
97.94

General & Use:

Ammonium Bromide is employed in the preparation of photographic emulsions and developers, in pharmaceutical preparations, as a wood preservative, for water treatment and as a flame retardant additive.

Typical Properties:

Property

Melting Point (sublimes), °C
452

Specific gravity, 25°C/25°C
2.429

Solubility g/100 g water, at 25°C
97

Solubility g/100 g water, a100°C
145.6

Specifications:

Property

Appearance
WHITE BRIQUETTES CLEAR COLORLESS

Assay %
>99.5

Loss on Drying %
<0.2

Transmit of 20% Sol 410 nm %
>96

pH of a 5% aqueous solution
4.5-5.5

Chlorides (as Cl-) wt %
<0.1

Iodides (as I-) %
<0.006

Sulfates (as SO4) Wt%
<0.005

Resistance to KMnO4 Minutes
>10

Heavy Metals (as Pb) ppm
<3

Iron (as Fe2O3) ppm
<2

Non-Volatiles %
<0.01

Alkal Earth Metals (as Ca) %
<0.005

Water Insolubles %
<0.005

Flammability and Explosivity:

Non-flammable and non-explosive. On heating to sublimation, dissociates into ammonia and hydrogen bromide.

 

Toxicity:

LD50 (oral, rat): 2714 mg/kg
Ammonium bromide is an irritant to the eyes. It is a non-irritant to intact skin.

 

Packaging:

Ammonium Bromide is supplied in 850 kg net triwalls holding 34 polyethylene bags of 25 kg net each and in 250kg, 400kg, 500kg big bags.

 

The preceding values were correct at the time of publication. To obtain current specifications contact the Sales Office in your area at address herein.

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