Ammonium arsenate

Ammonium arsenate is the inorganic compound with the formula (NH4)3AsO4. It is prepared by treating a concentrated solution of arsenic acid with ammonia, resulting in precipitation of colorless crystals of the trihydrate.[1] Upon heating, it releases ammonia.

Ammonium arsenate
Names
Other names
Ammonium orthoarsenate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.029.152
EC Number
  • 246-428-3
Properties
(NH4)3AsO4 . 3 H2O
Molar mass 247.1 (trihydrate)
Soluble
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is YN ?)
Infobox references

Like other compounds of arsenic, it is classified as an IARC Group 1 carcinogen, i.e. carcinogenic to humans.[2]

Acid salts are also known, including diammonium arsenate and ammonium dihydrogen arsenate.

References

  1. "Ammonium Orthoarsenate" in Handbook of Preparative Inorganic Chemistry, 2nd Ed. Edited by G. Brauer, Academic Press, 1963, NY. Vol. 1. p. 602.
  2. "Group 1: Carcinogenic to humans". IARC Monographs on the Evaluation of Carcinogenic Risks to Humans. IARC. Archived from the original on 2010-07-01. Retrieved 2010-05-04.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.