... sweet smell; won't burn or explode when mixed with air; in normal condition, it is not irritative to ... basic conditions. Property of chloride :Molecular Weight85.47Boiling Point, °C-40.8Critical Temperature, °C96.2Critical Pressure, Mpa4.99Specific Heat of Liquid, 30°C, ... and rain; shock, pull, falling or direct insolation of containers are strictly prohibited. R22 Refrigerant with 99.99% purity