Although the least toxic of the simple chlorohydrocarbons
it is not without health risks and may be carcinogenic, as it has been linked to cancer of the lungs, liver and pancreas in laboratory animals.
The effect of chronic exposure to formaldehyde, phenol and organic chlorohydrocarbons
on peripheral blood cells and the immune system in humans.
62,63) These products contain chemicals such as acetone, toluene, alcohols, methyl ketones, chlorohydrocarbons
and sometimes benzenes.
3]), N,N-dimethyl formamide (DMF), N-methyl pyrrolidinone (NMP) and chlorohydrocarbons
, which render its solutions castable.
Removal of chlorohydrocarbons
is being investigated with the membrane preferentially transporting the minor component, the hydrocarbon, and producing an environmentally-clean retentate.