Dry ice , the flash-frozen form of C dioxide , is wonderfully helpful in a variety of industrial and scientific program thanks to its power to chop-chop chill anything it touch and because , rather than melting , it change into gas pedal once exposed to natural ambient temperature and atmospheric pressures . The latter process , called sublimation , is alsovery cool to search at , which helps explain human beings ’s fascination with the substance .

Yet as a tragical story out of Washington province prompt us , quickly accumulating plumes of CO2gas can be incredibly dangerous . agree to the Pierce County Sheriff ’s Department , a 77 - year - former fair sex has pass and her 51 - year - old girl - in - natural law is in vital condition after the two drove around in a car containing improperly stored dry ice .

tec report that the unidentified survivor was driving the now - deceased woman home on Thursday night in a car belonging to her married man , an ice pick salesman . He had previously rate four coolers of juiceless ice in the vehicle , mean to utilize it to keep an upcoming monastic order freeze .

After waking at 4 am on Friday to see his married woman still gone , the man ventured outside and found his railroad car parked several occlusion aside , his wife and female parent unconscious inside . He apparently break the windowpane open with a rock’n’roll and call 911 . After an ambulance go far , his female parent was pronounced dead at the scene and his wife was taken   to the hospital .

The local aesculapian examiner later ruled that the honest-to-god fair sex died from asphyxiation , potential because the dry ice rapidly converted into gas and displaced the oxygen within the car .

“ Somehow or another , the fumes escaped from the coolers , ” Detective Ed Troyertold KOMO News . “ perhaps because it was so hot alfresco and because he had a newer car . It probably had better sealing and less respiration . ”

“ It was a combination of thing that went awfully faulty , ” Troyer continued . “ Dry ice by itself is n’t pass away to kill anybody . ”

Beginning almost immediately after higher - than - normal concentrations of CO2are inhaled , the body’sautonomic nervous systemis triggered ( by lowering cerebrospinal fluid pH ) to reset the balance by pass off faster and deeper . If CO2continues to work up up in the bloodstream , one will turn a loss consciousness quite rapidly .

Containers of wry methamphetamine hydrochloride typically wear admonition about inhaling the vaporization and keeping it store in well - ventilate areas .