CAS No.: | 7647-15-6 |
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Formula: | C10h14n2na2o8 |
EINECS: | 232-475-7 |
Classification: | Metal |
Specific Usage: | For Biological Purpose |
Content: | Standard |
Samples: |
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Sodium bromide is an inorganic compound with the chemical formula of NaBr. It is colorless cubic crystal or white granular powder, odorless, salty and slightly bitter.
It is not easily absorbed by brom ine in the air. Sodium bromide is easily soluble in water and the aqueous solution is neutral. Sodium bromide is slightly soluble in alcohol and can react with dilute sulfuric acid to produce hydrogen bro mide. Under acidic conditions, sodium bromide can be oxidized to free bromi ne.
item | unit | index | ||
photo grade | pharmaceutical grade | technical grade | ||
appearance | / | white crystalline granule or crystalline powder | white crystalline granule or crystalline powder | white crystalline granule or crystalline powder |
main content( dry basis) | % | 99.5min | 99.0min | 98.5min |
moisure | % | 0.3max | 0.5max | 1.0max |
chloride | % | 0.3max | 0.6max | 1.5max |
bromate | % | 0.003max | 0.003max | --- |
iodide | % | 0.005max | 0.01max | --- |
sulphate | % | 0.01max | 0.02max | 0.1max |
PH value | / | 5.5-8.0 | 5.5-8.0 | 5.5-10.5 |
plumbum | ppm | 0.5max | 4max | --- |
iron | ppm | 1max | 4max | --- |
copper | ppm | 1max | --- | --- |
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