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China Potassium bromide - China Supplier
China Potassium bromide - China Supplier

Potassium bromide

Price:Negotiable
Industry Category: Chemicals/Inorganic Salts/Bromides
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Description
Additional Information

Product Name: Potassium Bromide English Name: Potassium bromide CAS No.: 7758-02-3 Molecular Formula: KBr Molecular Weight: 119 Properties: White crystals, odorless, salty taste, slightly bitter, slightly hygroscopic, specific gravity 2.75 (25/4°C), melting point 734°C, boiling point 1435°C, soluble in water and glycerol, slightly soluble in ethanol, turns yellow upon exposure to light, aqueous solution is neutral. Quality Specifications: (SPECIFICATIONS)

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  
Chloride (as Cl)% ≤ 0.2 0.5 0.5 1.0
Sulfate (as SO4)% ≤ 0.005 0.005 0.005  
Iron (Fe)% ≤ 0.0002 0.0002 0.0002 0.005
Bromate (as BrO3)% ≤ 0.005 0.003 0.003  
Iodide (as I)% ≤ Qualified passed 0.01 0.01  
Heavy Metals (as Pb)% ≤ 0.0002 0.0001 0.0005  
Arsenic (as As) ≤ 0.0005      
Loss on Drying% ≤ Loss on 0.5 0.5 0.5 1.0
Water Insoluble Matter% ≤ Qualified 0.01 0.01  
Reference Standard China Pharmacopeia 1995-CHINA Pharmacopeia ZBG85001-88 GB1277-77 GB1277-77

Uses: Industrial grade is used for engraving and lithography; pharmaceutical grade is used as a sedative; photographic grade is used in the production of photographic films, developers, negative additives, toners, and color photo bleaches. Packaging and Storage: Composite bags, cardboard drums Φ30×37(cm) lined with two layers of plastic bags, 25 kg per package. Store in a ventilated, dry place, protect from moisture and light. In case of fire, extinguish with water.

Industry Category Chemicals/Inorganic Salts/Bromides
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