Melting Point -248.67 °C(lit.)
Boiling Point −246 °C(lit.)
Water Solubility 10.5mL/100g H2O (20°C, 101.32kPa) [KIR78]; Henry’s law constants, k×10?4: 13.023 (70.0°C), 12.022 (124.5°C), 9.805 (174.5°C), 7.166 (226.4°C), 4.160 (283.7°C) [POT78]
Density 0.7 (21 °C, vs air)
Storage Temp 库房通风低温干燥,轻装轻卸
Flash Point none
Stability Stable. Very unreactive.
Appearance colorless colorless gas
Refractive Index -