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Home » Product Directory » Chemicals » Chemical Auxiliary & Catalyst » Chemical Auxiliary » Ammonium Bromide

Ammonium Bromide

Ammonium Bromide
Ammonium Bromide
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Product Description

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 542temperature(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 temperature): 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

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

   
Company: Hangzhou Edo Import&Export Co., Ltd.

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