Ammonium molybdate (VI)

Synonyms

Ammonium heptamolybdate; Ammonium heptamolybdate ((NH4)6Mo7O24); Ammonium molybdate; Ammonium molybdate ((NH4)6(Mo7O24)); Ammonium molybdate(VI) ((NH4)6Mo7O24); Ammonium paramolybdate; Ammonium paramolybdate ((NH4)6Mo7O24); Hexammonium heptamolybdat; Hexammonium tetracosaoxoheptamolybdate; Molybdate (Mo7O24), hexaammonium; Molybdic acid (H6Mo7O24), hexaammonium salt; PM 20; [ChemIDplus]

Category

Metals, Inorganic Compounds

Description

Tetrahydrate: Colorless, slightly greenish, or yellowish solid; [Merck Index] Colorless, white, yellow, or green crystalline powder; Soluble in water; [MSDSonline]

Sources/Uses

Used in photography, ceramics, and fertilizers; Also used for detecting and determining phosphates, arsenates, and lead; as reagent for alkaloids; as a catalyst for dehydrogenation and desulfurization in petroleum and coal technology; for the production of molybdenum metal; as a source of molybdate ions; and as a chemical intermediate for molybdenum pigments and catalysts; [HSDB]

Comments

Emergency treatment: "Molybdenum"; [HSDB] An eye, nose, and throat irritant; [CAMEO] An irritant; [MSDSonline] See "Molybdenum."

Biomedical References

0.5 mg/m3, as Mo, respirable fraction

5 mg/m3, as Mo

1000 mg/m3, as Mo

Processes

Industrial Processes with risk of exposure:

• Metal Extraction and Refining
• Petroleum Production and Refining
• Photographic Processing

Activities

Activities with risk of exposure:

• Ceramics making