| IUPAC name
|Molar mass||302.45 g·mol−1|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|(what is ?)|
Californium oxychloride (CfOCl) is a radioactive compound first discovered in measurable quantities in 1960. It is composed of a single californium cation and one oxychloride anion. It was the first californium compound ever isolated.