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


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



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%



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