Ammonium heptamolybdate tetrahydrate ACS

Supplier: Thermo Scientific
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Synonyms: Hexaammonium heptamolybdate tetrahydrate, Ammonium molybdate(VI) tetrahydrate, Ammonium molybdate tetrahydrate, Hexammonium heptamolybdate 4-hydrate, Molybdic acid ammonium salt tetrahydrate

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Ammonium heptamolybdate tetrahydrate ACS
Ammonium heptamolybdate tetrahydrate
Formula: (NH₄)₆Mo₇O₂₄·4H₂O
MW: 1235,86 g/mol
Melting Pt: 190 °C
Density: 2,49 g/cm³
Storage Temperature: Ambient
MDL Number: MFCD00167059
CAS Number: 12054-85-2
EINECS: 234-722-4
Merck Index: 13,00536

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Specification Test Results

Appearance White to off-white Crystalline powder or crystals (May have a yellow to light green hue)
Titration Complexometric 81.0 to 83.0 % (as MoO3)
Chloride (Cl) ≤0.002 %
Nitrate (NO3) (Limit about 0.003%) Passes test
Phosphate (PO4) ≤5 ppm
Sulfate (SO4) ≤0.02 %
AsO4, PO4, SiO4 (as SiO2) ≤0.001 %
Magnesium (Mg) ≤0.005 %
Potassium (K) ≤0.01 %
Sodium (Na) ≤0.01 %
Heavy metals (ICP-OES) ≤0.001 %
Insoluble matter ≤0.005 %

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