Ammonium molybdate tetrahydrate CAS 12054-85-2 is an inorganic substance with the molecular formula (NH4) 6Mo7O24 · 4H2O. have

Soluble in water, strong acids, and strong alkaline solutions, insoluble in ethanol.

Chinese name: ammonium molybdate tetrahydrate

Foreign name: Ammonium molybdate tetrahydroate

Nickname: ammonium molybdate tetrahydrate

Molecular formula: (NH4) 6Mo7O24 · 4H2O

Molecular weight: 1235.8575

CAS login number: 12054-85-2

EINECS login number: 234-320-9

Melting point: 190 ℃

Physical and chemical properties

Melting point: 190 ℃

Solubility: 400 g/L (20 ℃)

Its appearance is colorless or light yellow green monoclinic crystalline. Relative density 2.498. Soluble in water, acid, and alkali, insoluble in alcohol.

When heated to 90 ℃, one crystal water is lost, and it decomposes into ammonia, water, and molybdenum trioxide at 190 ℃. Weathering in the air and losing some ammonia.

Purpose

This product can mainly be used as a catalyst in the petroleum industry, and in the metallurgical industry, it is used to produce molybdenum. It is a raw material for manufacturing ceramic glazes, pigments, and other molybdenum compounds. In addition, it can be used to prepare molybdenum oxides.

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