重鉻酸銫是一種無機化合物,化學式為Cs2Cr2O7。
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重鉻酸銫可由重鉻酸鈉和氯化銫或硫酸銫在70~80 °C混合,冷卻後過濾沉澱,洗滌、重結晶得到。[2]它也可由碳酸銫和三氧化鉻反應製得:[3]
- Cs2CO3 + 2 CrO3 → Cs2Cr2O7 + CO2↑
重鉻酸銫可以和疊氮化鋇反應,得到疊氮化銫。[4]它和三氟化溴反應,可以得到CsCrOF4。[5]它和五氧化二釩在430-550 °C反應,可以得到CsCrV2O7:[6]
- 2 Cs2Cr2O7 + 4 V2O5 → 4 CsCrV2O7 + 3 O2↑
它和草酸、草酸銫在溶液中混合,緩慢揮發溶劑可以結晶出暗藍色的Cs3[Cr(C2O4)3]·2H2O。[7]
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Yonggang Wang, Jie Liang, Ting Wen, Kuo Li, Yingxia Wang, Guobao Li, Fuhui Liao, Jianhua Lin. Syntheses and properties of a series of chromium vanadates ACrV2O7 (A=Na, K, Rb, Cs) with layered structure. Journal of Solid State Chemistry. 2012-08, 192: 1–6 [2020-12-11]. doi:10.1016/j.jssc.2012.03.025. (原始內容存檔於2018-07-03) (英語).