industrial grade 99% NaBr price Sodium bromide
Price Sodium Bromide
Supplier:Lubon Industry Co., Ltd
molecular formula:NaBr
molecular weight:102.9
Cas No: 7647-15-6
H.S. CODE:2827.5100
Usage:This product is used for making sensitive emulsion of photographic film and for making medicinal intermediates in medico-industries, e.g. diuretic , sedative etc. It is also used as bromide making complex material and complex dyes.
Specifications:
Appearance | White crystallization pellet or crystalline powder | ||
Items | Photo Grade | Medical Grade | Technical Grade |
Main content | 99.5% min | 99.0% min | 98.5% min |
Loss on drying | 0.3% max | 0.5% max | 1.0% max |
Chloride | 0.3% max | 0.6% max | 1.5% max |
Bromate | 0.003% max | 0.003% max | No reaction |
Iodide | 0.005% max | 0.01% max | Qualified |
Sulphate | 0.01% max | 0.02% max | 0.1% max |
PH Value(5%) | 5.5—8.0 | 5.5—8.0 | 5.5—10.5 |
As | 0.5ppm max | 4ppm max | - |
Pb | 0.5ppm max | 4ppm max | - |
Fe | 1ppm max | 4ppm max | - |
Cu | 1ppm max | — | — |
Transparency test | Qualified | — | — |
Properties: This product is white cubic crystal or white fine grain, belongs to regular system, white specific gravity 3.203 and melting point of 755°C, it is free of small and tastes salty and slightly bitter. It absorb water easily and agglomerates in the air, but does not deliquesce. It dissolves easily in water but slightly in alcohol. Its water solution is neutral and has electoconductibility.It should be stored in ventilated and dry storehouses. It must be noted that the product guards against damp and keeps in dark place, the fire can be put out by water in case of fire.
Package:25kg, 50kg, 500kg, 1000kg. Each by knitting bag with plastic inside.
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