Hexaammonium molybdate is a high-purity, water-soluble molybdenum compound with the chemical formula (NH4)6Mo7O24??4H2O. It is a crystalline solid that serves as a molybdenum source in various applications, including agriculture as a micronutrient fertilizer and in the industrial production of catalysts and pigments. Known for its stability and reactivity, it is used to enhance the properties of steel and other alloys, promoting their hardness and resistance to wear.
Description
Hexaammonium molybdate CAS#12027-67-7
| Hexaammonium molybdate Chemical Properties |
| Melting point | 190??C |
| density | 2,498 g/cm3 |
| storage temp. | Store at RT. |
| solubility | H2O: soluble |
| form | Liquid |
| Specific Gravity | 2.498 |
| color | Clear light colored |
| Water Solubility | Freely soluble in water. |
| Merck | 14,533 |
| Exposure limits | ACGIH: TWA 0.5 mg/m3 NIOSH: IDLH 1000 mg/m3 |
| Stability: | Stable. |
| CAS DataBase Reference | 12027-67-7(CAS DataBase Reference) |
| EPA Substance Registry System | Molybdate (Mo7O246-), ammonium (1:6) (12027-67-7) |
| Safety Information |
| Hazard Codes | Xi |
| Risk Statements | 22-36/38-52/53-36/37/38 |
| Safety Statements | 26-36 |
| RIDADR | UN 3264 |
| WGK Germany | – |
| RTECS | QA4900000 |
| TSCA | Yes |
| HS Code | 28417010 |
| Hazardous Substances Data | 12027-67-7(Hazardous Substances Data) |
| Toxicity | mic-esc 2 mmol/L MUREAV 31,185,1975 |



