we report a case of a occupationally acquired sensitivity to isopropyl alcohol in which , on testing with gas chromatographically purified material , positive patch test reactions were found to 1-propanol , 1-butanol , 2-propanol , 2-butanol and methanal ( formaldehyde ) but not to the primary alcohols methanol , ethanol and amyl alcohol ;
C0022237
2-propanol
C0001962
ethanol