- Synonyms: Ammonium molybdate, Hexammonium heptamolybdate 4-hydrate
- (NH4)6Mo7O24·4H2O
- M = 1235,86 g/mol
- CAS [12054-85-2]
- EINECS-No.: 234-722-4
- Solub. in water: (20 ºC): 400 g/l
- Melting point: 90 ºC (release of crystalline water)
- LD 50 (oral, rat): 3883 mg/kg
- Tariff number: 2841 70 00 90
- Applications: photography, in porcelain industry, analytical chemistry.
SPECIFICATIONS
assay [(NH4)6Mo7O24·4H2O]: min. 99 %
assay (as MoO3): 81,0 - 83,0 %
insoluble matter: max. 0,005 %
arseniates, phosphates, and silicates (as SiO2): max. 0,001 %
chlorides (Cl): max. 0,002 %
nitrates (NO3): passes test
phosphates (as PO4): max. 5 ppm
sulfates (SO4): max. 0,02 %:
heavy metals: max. 0,001 %
lead (Pb): max. 0,001 %
magnesium (Mg): max. 0,005 %
potassium (K): max. 0,01 %:
sodium (Na): max. 0,01 %