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Ammonium Bromide

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Ammonium Bromide

Molecular formula: NH₄Br
molecular weight: 97.94
CAS number: 12124-97-9
1.Uses: 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.
2. Specifications:

	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

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.
4. Storage and Handling: Store in adry,cool,well ventilated storehouse.Avoid inhalation,ingestion and contact with eyes and skin.
5. Packing: Ammonium Bromide in 25Kg net each net fiber drums with inner polyethylene bag or in knitting bag with inner polyethylene bag.
6.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 Fe 2 O 3 )PPM ≤	2
Clarity(as NTU) ≤	1.5
Chlorides(as Cl)% ≤	0.2
Sulfides(as S)PPM ≤	2
Iodides(as I)PPM ≤	40

7.Packaging:Ammonium Bromide is supplied in 1000L(1150kg)IBC or in 200L(235kg)plastic drum.


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