hat
pwen k ap fonn: -103,15 ℃, bouyi pwen: -26,1 ℃, dansite: 1.206g / cm (25 ℃); anba kondisyon nòmal, li se konprese
eng
melting point :-103.15℃, boiling point ：-26.1℃, density:1.206g/cm (25 ℃);under normal condition, it is compressed