Products – Anmol Chemicals Private Limited

Ammonium Molybdate USP

Ammonium Heptamolybdate is the inorganic compound whose chemical formula is (NH4)6Mo7O24, normally encountered as the tetrahydrate. It is a colorless solid, often referred to as ammonium paramolybdate or simply as ammonium molybdate


It can be used in the detection of recreational drugs as a component of the froehde reagent. Also used as a dietary supplement.


Molecular Formula: (NH4)6Mo7O24.4H2O
Molecular Weight: 1236.00 g/mol
CAS No.: 12054-85-2


General Specifications

Test Specification
Characters It occurs as colorless or slightly greenish or yellowish crystals.
Identification Specified Test
Solubility Soluble in water, practically insoluble in alcohol.
Insoluble Substances Not more than 0.005%
Chlorides Not more than 20 ppm
Limit of Nitrate Specified Test
Sulfate Not more than 200 ppm
Arsenate, Phosphate & Silicate Not more than 10 ppm
Nitrate Specified test. The blue color is not completely discharged in 5 min.
Phosphate Not more than 5 ppm
Magnesium & alkali salts Not more than 0.02%
Heavy Metals Not more than 10 ppm
Residual Solvents Meets the requirements
Assay Not less than 99.3% and more than 101.8% of (NH4)6Mo7O24.4H2O


Shelf life, Storage and Packing

It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.


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