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Ammonium Bromide Powder

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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

Specifications:

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

 

Packaging:
Ammonium Bromide is supplied in 25 kg valve bags

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.