I'm in my high school's theatre crew and of course we build a lot of props and such. However I just opened (yesterday) an old drawer of screwdrivers and they smelled like puke! I know that the chemical responsible for that smell is butyric acid, so the rubber must have been a butyl rubber. Could someone point out the chemical equation that shows the reaction for this?

  • 1
    $\begingroup$ If ever, it would be rather isobutyric or isovaleric acid, as butyl rubber is copolymer of isobutene with few percents of isoprene. $\endgroup$
    – Poutnik
    Nov 2, 2023 at 5:14
  • $\begingroup$ One really does not know much until a chemical analysis is done. $\endgroup$
    – jimchmst
    Nov 2, 2023 at 16:20


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