二氯氧钒 是一种无机化合物 ,化学式为VOCl2 。它在384±3 °C分解。[ 2]
二氯氧钒可由三氯氧钒 与硫 [ 3] 或硫化氢 [ 4] 的还原反应制得。
2 VOCl3 + 2 S → 2 VOCl2 + S2 Cl2
2 VOCl3 + H2 S → 2 VOCl2 + S + 2 HCl
2 VOCl3 + S2 Cl2 → 2 VCl4 + S + SO2 (副反应)
2 VCl4 + H2 S → 2 VCl3 + S + 2 HCl
它也可通过五氧化二钒 、三氯氧钒、三氯化钒 反应产生:[ 5]
V2 O5 + VOCl3 + 3 VCl3 → 6 VOCl2
^ Bởi Henry Watts. Watts' Dictionary of Chemistry, Tập 4 . [2020-07-15]
^ H. Oppermann. Untersuchungen an Vanadinoxidchloriden und Vanadinchloriden. I. Gleichgewichte mit VOCl3, VO2Cl und VOCl2 . Zeitschrift für anorganische und allgemeine Chemie. 1967-05, 351 (3-4): 113–126 [2020-07-14 ] . ISSN 0044-2313 . doi:10.1002/zaac.19673510302 (德语) .
^ Paul, Ram Chand; Sharma, Naresh C.; Singh, Shamsher; Sharma, Ashok K. Vanadium(IV) oxodichloride. Preparation and a study of its solvolytic reactions. Proceedings of the Indian National Science Academy, Part A: Physical Sciences , 1974. 40 (1): 64-75
^ Yajima, Akimasa; Matsuzaki, Ryoko; Saeki, Yuzo. Reaction between Vanadium Trichloride Oxide and Hydrogen Sulfide . Bulletin of the Chemical Society of Japan. 1978-04-01, 51 (4): 1098–1100. ISSN 0009-2673 . doi:10.1246/bcsj.51.1098 .
^ G. Brauer. Vanadium Oxydichloride. G. Brauer (编). Handbook of Preparative Inorganic Chemistry, 2nd Ed.. NY: Academic Press. 1963: 1263.