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China Ammonium bromide - China Supplier
China Ammonium bromide - China Supplier

Ammonium bromide

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Industry Category: Chemicals/Quaternary Ammonium Salts/Alkyl Quaternary Ammonium Salts
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Product Name: Ammonium Bromide
English Name: Ammonium bromide
CAS Number: 12124-97-9
Molecular Formula: NH4Br
Molecular Weight: 97.94
Properties: Colorless crystals or white crystalline powder, salty taste, specific gravity 2.429, sublimates at 452°C, soluble in water and alcohol, slightly soluble in ether, slightly hygroscopic in air with slight decomposition, turns yellow due to the release of a small amount of bromine, aqueous solution is neutral or weakly acidic.
Quality Specifications: (SPECIFICATION)
Item
Pharmaceutical Grade
Photographic Grade
Reagent Grade III
Industrial Grade
Content% ≥ 99.0 99.0 98.0 98.0
Aqueous Solution Reaction Qualified passed Qualified passed Qualified passed  
Water Insolubles% ≤ 0.01 0.01 0.01  
Ignition Residue% ≤ 0.1 0.1 0.1  
Chlorides (as Cl)% ≤ 0.2 0.5 0.5 1.0
Sulfates (as SO4) ≤ 0.01 0.01 0.01  
Iron (Fe)% ≤ 0.002 0.0002 0.0005 0.005
Copper (as Cu)% ≤   0.0001    
Iodides (as I)% ≤ Qualified passed 0.01 0.05  
Heavy Metals (as Pb)% ≤ 0.0002 0.0001 0.0005  
Loss on Drying% ≤ 0.5 0.5 0.5 1.0
Reference Standard China Pharmacopeia 1995-CHINA Pharmacopeia ZBG85002-88 GB1277-77 GB1277-77
Uses: Mainly used as a sedative for oral medications such as neurasthenia and epilepsy, photographic films and papers, also used in lithographic printing, wood fire retardants, and chemical analysis reagents.
Packaging and Storage: Composite bags, cardboard drums 30cm×37cm, lined with two layers of plastic bags, 25kg per drum. Should be stored in a cool, dry place. Isolate from acids, store sealed and protected from light.

 

Industry Category Chemicals/Quaternary Ammonium Salts/Alkyl Quaternary Ammonium Salts
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