Ammonium metavanadate

Synonyms

Ammonium vanadate(V); Ammonium metavanadate (NH4VO3); Ammonium monovanadate; Ammonium trioxovanadate(1-); Ammonium vanadate; Ammonium vanadate ((NH4)VO3); Ammonium vanadate (VAN); Ammonium vanadium oxide (NH4VO3); Ammonium vanadium trioxide; Vanadate (VO3(1-)), ammonium; Vanadic acid (HVO3), ammonium salt; Vanadic acid, ammonium salt; [ChemIDplus] UN2859

Category

Ammonium Compounds

Description

White or slightly yellow solid; [Merck Index] Tan, pale yellow, off-white, or white powder; [MSDSonline]

Sources/Uses

Used as a drier for paints and inks, in dyeing and printing on woolens, for staining wood black, in the manufacture of vanadium black and "indelible ink," for producing vanadium luster on pottery, as photographic developer, in hematoxylin staining in microscopy, and as a substitute for vanadium pentoxide in the production of yellow ceramic colorants; [HSDB]

Comments

Emergency treatment: "Vanadium compounds"; [HSDB] Causes somnolence and diarrhea after lethal concentration studies; Causes abnormal liver function test results after subcutaneous doses in mice; [RTECS] An irritant; Toxic if swallowed; Very toxic by inhalation; [Alfa Aesar MSDS] See "Vanadium pentoxide."

Biomedical References

LC50 (rat) = 7.8 mg/m3/4h

Yes

Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion

Processes

Industrial Processes with risk of exposure:

• Painting (Pigments, Binders, and Biocides)
• Photographic Processing
• Textiles (Printing, Dyeing, or Finishing)

Activities

Activities with risk of exposure:

• Ceramics making
• Enameling