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Ammonium heptamolybdate tetrahydrate
| Synonym: | Ammonium heptamolybdate tetrahydrate, Molybdic acid ammonium salt tetrahydrate |
| CAS Number: | 12054-85-2 |
| Linear Formula: | (NH4)6Mo7O24 · 4H2O |
| Molecular Weight: | 1235.86 |
| EC Number: | 234-320-9 |
| MDL number: | MFCD00167059 |
| PubChem Substance ID: | 24867009 |
Description
| Features and Benefits | Meets A.C.S. reagent specificatons. |
| Packaging | 50, 250 g in poly btl |
| Application | Applied in the ultrasonic synthesis of phase-pure praseodymium molybdate, Pr2Mo3O12.1 Reagent used for oxidation of sulfides to sulfonyls.2 |
Properties
| assay | 81.0-83.0% MoO3 basis |
| 99.98% trace metals basis | |
| total impurities | ≤0.005% insolubles |
| density | 2.498 g/mL at 25 °C(lit.) |
| anion traces | chloride (Cl–): ≤0.002% |
| nitrate (NO3–): passes test | |
| phosphate (PO43-): ≤5 ppm | |
| sulfate (SO42-): ≤0.02% | |
| cation traces | Mg and allied cations: ≤0.01% |
| heavy metals: ≤0.001% |
Safety
| Symbol | GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US), Eyeshields, Gloves |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26 |
| WGK Germany | 1 |
| RTECS | QA5076000 |
