If you scroll down a little way, to, `Evaluation`-health hazard information, you can read warnings/possible hazards.... http://www.osha.gov/SLTC/healthguideline...ition.html
Other links here http://www.google.ie/search?aq=1&oq=effe...yl+alcohol
I reckon it`s best to avoid breathing in any of this vapour to be on the safe side and probably we all have different `tolerance levels`or sensitivity thresholds.... I always try to `avoid` ANY vapours etc. from ANY source in the home. Hope these are of interest.....