Ammonium tetrathioarsenate

Ammonium tetrathioarsenate

Names
Other names Ammonium tetrathioarsenate(V)
Identifiers
Properties
Chemical formula	AsH12N3S4
Molar mass	257.28 g·mol−1
Appearance	colorless crystals
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Ammonium tetrathioarsenate is a chemical compound with the chemical formula (NH₄)₃AsS₄. ^{[1] [2]}

Synthesis

Reaction of arsenic trisulfide with yellow ammonium sulphide: ^[3]

As₂S₃ + 3(NH₄)₂S + 2S → 2(NH₄)₃AsS₄

Physical properties

Ammonium tetrathioarsenate forms cololess crystals of orthorhombic system, spatial group Pcmn. ^[4]

References

1. Structure Reports. A. Oosthoek. 1993. p. 352. ISBN   978-0-7923-2310-5 . Retrieved 26 February 2025.
2. Structure Reports for ... International Union of Crystallography. 1963. p. 153. ISBN   978-90-313-0042-6 . Retrieved 26 February 2025.
3. Prakash, Satya (October 2000). Advanced Inorganic Chemistry - Volume II. S. Chand Publishing. p. 42. ISBN   978-81-219-1787-2 . Retrieved 26 February 2025.
4. Donnay, Joseph Désiré Hubert (1973). Crystal Data: Inorganic compounds. National Bureau of Standards. p. O-199. Retrieved 26 February 2025.