Chemistry:Ammonium dihydrogen arsenate

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Ammonium dihydrogen arsenate
Names
IUPAC name
arsoric acid;azane
Other names
Ammonium hydrogen arsenate
Identifiers
3D model (JSmol)
ChemSpider
EC Number
  • 236-667-1
UNII
Properties
AsH6NO4
Molar mass 158.973 g·mol−1
Appearance colorless crystals
Density 2.34 g/mL
Melting point 300
soluble
Hazards
GHS Signal word Danger[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Ammonium dihydrogen arsenate is an inorganic chemical compound with the chemical formula NH
4
H
2
AsO
4
.[2][3]

Synthesis

The effect of ammonia on a concentrated solution of arsenic acid:

NH
3
+ H
3
AsO
4
→ NH
4
H
2
AsO
4

Physical properties

The compound forms colorless crystals, soluble in water.[4]

Uses

The compound is used as a pharmaceutical intermediate.[5]

Ferroelectric, a material of nonlinear optics.[6]

References

  1. "Ammonium Dihydrogen Arsenate" (in en). American Elements. https://www.americanelements.com/ammonium-dihydrogen-arsenate-13462-93-6. 
  2. "Ammonium dihydrogen arsenate | CAS 13462-93-6 | SCBT - Santa Cruz Biotechnology" (in en). scbt.com. https://www.scbt.com/p/ammonium-dihydrogen-arsenate-13462-93-6. 
  3. Perrino, Charles T.; Van de ven, Jamie (1 February 1977). "An electrolysis and conductivity study on ammonium dihydrogen arsenate". Journal of Solid State Chemistry 20 (2): 201–203. doi:10.1016/0022-4596(77)90068-8. ISSN 0022-4596. Bibcode1977JSSCh..20..201P. https://www.sciencedirect.com/science/article/abs/pii/0022459677900688. Retrieved 4 November 2024. 
  4. Martienssen, Werner; Warlimont, Hans (21 September 2006) (in en). Springer Handbook of Condensed Matter and Materials Data. Springer Science & Business Media. p. 1096. ISBN 978-3-540-30437-1. https://books.google.com/books?id=TnHJX79b3RwC&dq=Ammonium+dihydrogen+arsenate&pg=PA1096. Retrieved 4 November 2024. 
  5. "Ammonium dihydrogen arsenate, 98%, Thermo Scientific Chemicals - Chemicals, Salts and Inorganics" (in en). Fisher Scientific. https://www.fishersci.se/shop/products/ammonium-dihydrogen-arsenate-98-2/p-7049934. 
  6. Milek, J. T.; Neuberger, M. (1972). "Ammonium Dihydrogen Arsenate (ADA)" (in en). Linear Electrooptic Modular Materials (Springer US): 15–22. doi:10.1007/978-1-4684-6168-8_3. ISBN 978-1-4684-6170-1. https://link.springer.com/chapter/10.1007/978-1-4684-6168-8_3. Retrieved 4 November 2024. 

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