Molybdic acid
SIGALD/232084 - ≥85.0% MoO3 basis, ACS reagent
CAS Number: 7782-91-4
EC Number: 231-970-5
MDL Number: MFCD00036287
Product Type: Chemical
anion traces | AsO43-, PO43- and SiO2: ≤0.001% |
chloride (Cl-): ≤0.002% | |
phosphate (PO43-): ≤5 ppm | |
sulfate (SO42-): ≤0.2% | |
assay | ≥85.0% MoO3 basis |
cation traces | heavy metals: ≤0.003% |
density | 3.1 g/mL at 25 °C (lit.) |
form | powder |
grade | ACS reagent |
impurities | ≤0.01% insol. dil. NH4OH |
InChI | 1S/Mo.2H2O.2O/h;2*1H2;;/q |
InChI key | VLAPMBHFAWRUQP-UHFFFAOYSA |
Quality Level | 200 ![]() |
reaction suitability | reagent type: catalyst core: molybdenum |
SMILES string | O[Mo](O)(=O)=O |
solubility | water: insoluble |
vapor density | 6.2 (vs air) |
Application: | Molybdic acid can be used: • In the preparation of silica-supported molybdic acid catalyst for the synthesis of pyrano [2,3-c] chromene derivatives by condensation of aldehydes, malononitrile, and 4-hydroxycoumarin. • In the synthesis of Froehde reagent for the presumptive identification of alkaloids like opioids. • As a molybdenum source in the preparation of MoSe2. |
General description: | Molybdic acid is the hydrated form of molybdenum trioxide. It is used in the synthesis Froehde reagent. |
Other Notes: | Consists largely of an ammonium molybdate |
Packaging: | 100, 500 g in poly bottle |
Hazard Codes | Xn |
Risk Statements | 36/37-48/20/22 |
Safety Statements | 22-26 |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 3 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Purity | ≥85.0% MoO3 basis |
Density | 3.1 g/mL at 25 °C (lit.) |
UNSPSC | 12352300 |