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The difference between Quinoline and E104 needs to be properly defined; these compounds are completely different. When I've had a bit of practice here I'll make the adjustments myself.

EDIT: Sorted out the mess a bit. Now... when E104 is searched can it redirect to the Quinoline yellow article rather than this one?

-Matt Lacey

Interesting. Benzo[b]pyridine, quinoline just a few years ago was DEFINITIVELY linked to causing lung cancer as a carcinogenic component of cigarette smoke. No sign of anything like that now. THANK YOU FOR SMOKING!! 03:06, 8 January 2007 (UTC)

Need help[edit]

Wow, there's a set of articles here that really needs some work. Looking through several different articles relating to Quinoline (including tryptophan, the biochemical precursor) I failed to find any information regarding several important subject areas with concern to quinoline. Namely the role of quinolinic acid in neurotransmission or as an excitoneurotoxin. I also found no information regarding the role of increased levels of quinolinates in the brains of AIDS patients and the resulting dementia. In fact there's only a passing mention of dementia (no causes explained) in the AIDS article. There's a lot of information missing here. I would appreciate any and all help. --Jmcclare (talk) 18:37, 7 February 2008 (UTC)

Quinoline is also used in the poisoned Lindlar's catalyst for oxidizing alkynes to alkenes. (talk) 03:36, 27 January 2009 (UTC)

Uses in colognes?[edit]

I saw on the ifraorg (international fragrance organization) that quinoline was prohibitted in fragrances now? Was it in there before? Why was it prohibited? Is there a problem caused with inhalation or application to skin? I'm no chemistry whiz, but if more folks look for info on this matter I think it might be helpful. Right now if you go to amazon you'll see that some perfumes are prohibted for shipment to catalina island because of some of these chemicals. The ifraorg document is here: —Preceding unsigned comment added by (talk) 01:44, 24 November 2010 (UTC)