Ammonium Bromide

Molecular formula: NH4Br Molecular weight: 97.94 CAS number: 12124-97-9

Use :

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

Chemical compositions :

Photo grade Medicine grade Appearance WHITE CRYSTAL WHITE CRYSTAL Assay%≥ 99.5 99 Loss on Drying%≤ 0.2 0.5 Transmit of 20% Solution 410 nm%≥ 96 -- PH of 5% aqueous solution 4.5-5.5 4.5-5.5 Chlorides(as Cl)%≤ 0.1 0.5 Iodides(as I)%≤ 0.006 Pass test Sulfates(as SO4)%≤ 0.005 0.01 Resistance to KMnO4 Minutes≥ 10 -- Heavy Metals(as Pb)PPM≤ 3 5 Iron(as Fe2O3)PPM≤ 2 -- Non-Volatiles %≤ 0.01 -- Alkal Earth Meatls(as Ca)%≤ 0.005 Pass test Water Insolubles %≤ 0.005 -- Arsenic(as As)PPM≤ -- 3

Shape and Properties:

This Product is white cubic crystal, Specific gravity 2.429 and melting point 542℃ (decomposed). It is free of smell and tastes salty.It absorbs water and alcohol.

Storage and Handling:

Store in adry,cool,well ventilated storehouse.Avoid inhalation,ingestion and contact with eyes and skin.

Package:

Ammonium Bromide in 25Kg net each net fiber drums with inner polyethylene bag or in knitting bag with inner polyethylene bag.

Solution Specifications

APPEARANCE Clear colorless Ammonium Bromide % 36-38 Density at 20℃ g/ml 1.24-1.27 PH(25℃) 6.3-6.9 Iron(as Fe2O3)PPM≤ 2 Clarity(as NTU)≤ 1.5 Chlorides(as Cl)%≤ 0.2 Sulfides(as S)PPM≤ 2 Iodides(as I)PPM≤ 40