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CAS NO.7803-55-6
Ammoniun metavanabate CAS 7803-55-6
Chemical Name | Ammoniun metavanabate |
CAS No. | 7803-55-6 |
Molecular formula | H4NO3V |
Molecular weight: | 116.98 |
Specification
Appearance | white or slightly yellow powder or crystals |
Melting point | 200 °C |
density | 2.32 g/cm3 at 25 °C(lit.) |
storage temp. | Store at RT. |
solubility | H2O: soluble |
form | Solid |
color | White to yellow |
PH | 7 (5.1g/l, H2O, 20℃) |
Water Solubility | 5.1 g/L (20 ºC) |
Stability | Stable. Incompatible with strong acids, strong oxidizing agents. Protect from moisture - hygroscopic. |
Application
1.Used in combustion analysis of carbon, hydrogen, and nitrogen
2.Uses in dyeing and printing on woolens; staining wood black; manufacture of vanadium black and "indelible ink"; producing vanadium luster on pottery; as photographic developer; in hematoxylin staining in microscopy;
3.As reagent in analytical chemistry,vanadium is often purified from aqueous extracts of slags and ore by selective precipitation of ammonium metavanadate. The material is then roasted to give vanadium pentoxide
4.Vanadates can behave as structural mimics of phosphates, and in this way they exhibit biological activity
5.Ammonium metavanadate is used to prepare Mandelin reagent, a qualitative test for alkaloids.
Packaging
25kg/bag,25kg/drum