9925. Vanadyl Dichloride

Nomenclature

CAS number: 10213-09-9
Vanadium oxydichloride.
Cl2OV; mol wt 137.85.
Cl 51.44%, O 11.61%, V 36.95%.
VOCl2.

Description and references

Usually contains some water. Prepd according to the eq V2O5 + 3VCl3 + VOCl3 → 6VOCl2: Funk, Weiss, Z. Anorg. Allg. Chem. 295, 327 (1958); Oppermann, ibid. 351, 113 (1967).

Properties

Green, very deliquesc tabular crystals. d 2.88. Disproportionates at 384° to VOCl and VOCl3. Slowly dec by water. Sol in abs alcohol, glacial acetic acid. Keep tightly closed.

Use

Has been used as mordant in printing fabrics.