Amm. Bromide Powder

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Amm. Bromide Powder

Chemical Name:
Ammonium Bromide Powder
Formula:

NH4Br

CAS Number:
12124-97-9
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 CRYSTALLINE SOLID 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 Il-) %
<0.006

Sulfates (as SOl4) Wt%
>10

Heavy Metals (as Pb) ppm
<3

Iron (Fe) ppm
<2

Non-Volatiles %
<0.01

Alkal Earth Metals (as Ca) %
<0.005

Insoluble in Water %
<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, in 91 kg net fiber drums with inner polyethylene bag, in 25 kg valve bags or in 855.4 kg triwall holding 94 polyethylene bags of 9.1 net each.

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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