Sodium Bromide
Molecular formula: NaBr Molecular weight : 102.90
Uses: Medicine as diuretics, sedatives, and strengthen the cerebral cortex to inhibit the process. As a brominating agent in thesynthesis of spices, medicine and dyes industry, but also as achemical reagent and the Photographic Industry.
Property:No color cubic crystals or White granular powder one is equiaxed, No. olfactory, taste salty and slightly bitter. Easy to absorb moisture in the air and caking, but not deliquescent. Specific gravity 3.203 (25℃), Melting point 755℃, Boiling point 1390℃, easily soluble in water, slightly soluble in alcohol, water on solvent neutral conductivity.
CAS#: 7647-15-6 Customs No.: 2827510000 MSDS: YB0404-01 Risk No.: Non-dangerous
Product specification |
Photographic grade |
Reagent grade |
Industrial grade |
Standard |
Yotech Standard |
GB/1265-2003 |
GB/1265-2003 |
Assay ％ |
≥99.5 |
≥99.0 |
≥98.5 |
Chloride (Cl) ％ |
≤0.1 |
≤0.2 |
≤0.5 |
Heavy metal
(Pb) ％ |
≤0.0003 |
≤0.001 |
≤0.002 |
Water insoluble ％ |
≤0.0002 |
≤0.005 |
≤0.005 |
Bromate (BrO3) ％ |
≤0.001 |
≤0.002 |
≤0.005 |
Iodide (I) ％ |
≤0.01 |
≤0.02 |
≤0.03 |
Sulfate (SO4) ％ |
≤0.002 |
≤0.003 |
≤0.005 |
Nitrogen Compounds (N) ％ |
≤0.0005 |
≤0.001 |
≤0.002 |
Mg ％ |
≤0.0002 |
≤0.0005 |
≤0.001 |
Ca ％ |
≤0.0002 |
≤0.003 |
≤0.005 |
Fe ％ |
≤0.0002 |
≤0.0003 |
≤0.0005 |
Ba ％ |
≤0.001 |
≤0.002 |
≤0.005 |
Hg ％ |
≤0.001 |
≤0.002 |
≤0.005 |
Free base (NaOH) ％ |
≤0.01 |
≤0.01 |
≤0.01 |
Free acid (HCl) ％ |
≤0.005 |
≤0.005 |
≤0.005 |
PH value |
6.0-8.0 |
6.0-8.0 |
5.5-8.5 |
Intermediate inspection |
Appearance Identification |
colorless cubic crystal or white powder |
colorless cubic crystal or white powder |
colorless cubic crystal or white powder |
Loss on dry (105℃/3H) ％ |
≤0.1 |
≤0.2 |
≤0.5 |
Whiteness (70-90umGranularity) ％ |
≥95 |
≥90 |
≥85 |
Transmission (15％ solution) ％ |
≥99 |
≥99 |
≥98 |
Foreign substance detection |
≤1mm/10 |
≤1mm/10 |
≤1mm/10 |
Granularity (U.S.SCREEN) mesh |
90％ pass 20-110 mesh |
90％ pass 20-110 mesh |
90％ pass 20-110 mesh |
Shelf life year |
Two years |
Two years |
Two years |
Supply reference |
Production process |
Recrystallization refined |
Electrolysis |
Electrolysis |
Packing |
25KG plastic paper bag four-layer /22T/(20')FCL |
25KG Plastic paper membrane four-layer /22T/(20')FCL |
25KG Plastic paper membrane three layers/22T/(20')FCL |
Specification of price |
FCL |
FCL |
FCL |
Price CNY/T |
|
|
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Validity period of quoted price |
3 months |
3 months |
3 months |
Note: special requirements are negotiable for customers with specific specifications. |
