熔点-154°C (119 K); Early prepns, described as brown gas, red liq and orange solid (mp -163.5°), probably contained other fluorine-oxygen compounds as impurities: Goetschel et al., loc. cit
沸点-56.12°C (estimate)
密度3.071g/L [LID94]
形态气体，仅在低温下稳定
颜色red-orange solid,
unstable gas
