Chemical Name: Ammonium Bromide
Molecular Formula:NH4Br
Molecular Weight:97.94
CAS No: 12124-97-9
1. Grades & Specifications
Items | Photo grade | Industry grade |
Appearance | WHITE CRYSTAL | WHITE CRYSTAL |
Assay(%)≥ | 99.5 | 99 |
Weight Loss on Drying(%)≤ | 0.2 | 0.5 |
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 |
Heavy Metals(as Pb)PPM≤ | 3 | 10 |
Non-Volatiles Materials %≤ | 0.01 | -- |
Water In-solubles %≤ | 0.005 | -- |
Arsenic(as As)PPM≤ | -- | 3 |
2. Applications
2.1 Used for making sensitive emulsion of photographic film;
2.2 Used as pharmaceutical preparations;
2.3 Used as a wood preservative;
2.4 Used as forwater treatment;
2.5 Used as a flame retardant additive.
3. other properties
3.1 This product is white cubic crystal, Specific gravity 2.429 and melting point 542℃ (decomposed);
3.2 It is free of smell and tastes salty and slightly bitter;
3.3 It absorbs water and alcohol;
3.4 Store in adry,cool,well ventilated storehouse.
4. Packages
25kg, 50kg, 500kg, 1000kg Paper or Plastic Bags with plastic film inside.