1.01180

Supelco

Ammonium heptamolybdate tetrahydrate

(ammonium molybdate) cryst. extra pure

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

storage conditions

Store at +5°C to +30°C.

Quality Level

specific analyte(s)

phosphate

application(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

Analysis Note

Assay (precipitative titration): 99.3 - 101.8 %
Identity: passes test
Insoluble substances: ≤ 0.005 %
Chloride (Cl): ≤ 0.002 %
Nitrate (NO₃): passes test
Phosphate (PO₄): ≤ 0.0005 %
Phosphate, Arsenate, Silicate (as PO₄): passes test
Sulfate (SO₄): ≤ 0.02 %
Heavy metals (as Pb): ≤ 0.001 %
K (Potassium): ≤ 0.005 %
Mg (Magnesium): ≤ 0.005 %
Na (Sodium): ≤ 0.005 %
Magnesium and alcali salts: ≤ 0.02 %

storage_class_code

13 - Non Combustible Solids

WGK Germany

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

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