if its something that is pressurized and you open it up, the pressure in the unopened container lowers the point where it will freeze. If you open it while it is between the pressured point of freezeing and the unpressured point, it will immeadiately freeze.

its simular to the fact that water boils at a lower tempature at higher altitudes.

its possible even that the difference in altitude of you and the point the liquid was bottled can cause a differnce in the freeze point.

the more man learns, the more he realises, he really does not know anything.