SPI-Chem Ammonium Molybdate, CAS#13106-76-8
| Chemical Formula: | (NH4)2MoO4 |
| CAS#: | 13106-76-8 |
| Formula Weight: | 196.02 |
| RTECS #: | Not available |
| Apperance: | Crystalline |
| Color: | Yellow-green |
| Odor: | Not available |
| Boiling Point: | Not available |
| Melting Point: | 191° C / 376° F |
| Specific Gravity (H2O = 1): | 2.497 |
| FSC: | 6810 |
| Solubility in Water: | Soluble |
| Materials to Avoid: | Strong oxidizers |
Widely used for the negative staining of viruses for high resolution observation TEM. A more recent application of ammonium molybdate is for the negative staining of liposomes, particularly for the resolution of the lamellar structures present in some vesicles. While there is some latitude, pH in the range of 6.3, at least for liposomes seems to be appropriate. Another popular use, especially for the laboratory that does not have a vacuum evaporator, is for the making of molybdenum trioxide image rotation test specimens.
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