1.01182

Ammonium heptamolybdate tetrahydrate

GR for analysis ACS,ISO,Reag. Ph Eur

• Synonym(s): Ammonium heptamolybdate tetrahydrate, Ammonium molybdate, Hexammonium heptamolybdate 4-hydrate
• Linear Formula: (NH₄)₆Mo₇O₂₄ · 4 H₂O
• CAS Number: 12054-85-2
• Molecular Weight: 1235.86
• MDL number: MFCD00167059
• EC Index Number: 234-722-4

Properties

• grade: ACS reagent
• Quality Level: 100
• Agency: reag. ISO; reag. Ph. Eur.
• form: solid
• specific analyte(s): phosphate
• technique(s): photometry: suitable
• pH: 5.3 (20 °C, 50 g/L in H₂O)
• mp: 90 °C (Elimination of water of crystallisation)
• solubility: 400 g/L
• density: 2.498 g/cm³ at 20 °C
• bulk density: 800 kg/m³
• storage temp.: 2-30°C
• InChI: 1S/Mo.H3N.H2O.O/h;1H3;1H2;/q;;;-2/p+1
• InChI key: XCOMAVCHADVANQ-UHFFFAOYSA-O

Description

Packaging

250 , 250 g

1 , 5 kg in Plastic bottle

25 kg in Steel drum

Analysis Note

Assay (as MoO₃): 81.0 - 83.0 %
Assay ((NH₄)₆Mo₇O₂₄ x 4 H₂O): ≥ 99.0 %
Insoluble matter: ≤ 0.005 %
Chloride (Cl): ≤ 0.0005 %
Nitrate (NO₃): passes test
Phosphate (PO₄): ≤ 0.0005 %
Phosphate, Arsenate, Silicate (as PO₄): ≤ 0.0005 %
Sulfate (SO₄): ≤ 0.005 %
Heavy metals (ACS): ≤ 0.001 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.0005 %
Mg (Magnesium): ≤ 0.005 %
K (Potassium): ≤ 0.002 %
Na (Sodium): ≤ 0.01 %
Pb (Lead): ≤ 0.001 %
Corresponds to ACS,ISO,Reag. Ph Eur

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable