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So I spilled a chai in my Jeep a few weeks ago, an accidental action that, at the time, seemed rather insignificant. Over the past few days, however, said spill/chai residue has proved to be rather significant, with my Jeep’s interior developing, shall we say, an odor.
I pulled the Jeep’s carpeting out and blasted it with a hose and some dish soap, which didn’t do enough. I left my Jeep’s windows open, but this was only a temporary fix. So earlier today I bought some Febreze, a commercial anti-odor product I have long been suspicious of, because the explanations of how it supposedly works seem like COMPLETE BULLSHIT.

Okay, so the Febreze ads that I've seen have a computer simulation of the product working--there are odoriferous bits embedded in clothing, carpet, etc., at which point Febreze is sprayed on it, w/ little Febreze molecules encircling the reeking molecules... and then popping out of existence. This seems to defy the laws of physics, of which I know a great deal.
Also and while I'm on the topic, I've never liked the word "Febreze." It seems to have dubious etymology, and I do not care for its cadence. Don't even get me started on its spelling/pronunciation.
But anyway, okay, yes, suspicious of the ads, I looked it up on Wikipedia, and, in what I can only assume is an unintentionally hilarious write-up, I was told this:
The product's active ingredient, cyclodextrin, binds or entraps various hydrophobic compounds that cause odors. This mechanism of action is unlike that of ordinary air fresheners, which simply add their own scent on top of the malodorous ones. While Febreze and other products based on cyclodextrin reduce odors successfully, they are not replacements for actual cleaning or fresh air, despite popular belief.
I was taught that matter cannot be randomly destroyed or created--that all energy merely transforms its form or function. Hence me being dubious over the whole "Febreze traps molecules and then--POOF!--vanishes" explanation. This Wikipedia entry, however, dumbfounds me. How does it "bind or entrap" compounds? I picture this on a sub-molecular level, with Febreze atoms wrapping chains around the atoms of curdled chai or whatever, and then escorting them away... to where? Some kind of molecular purgatory? Some cleansing center? Or is the stink merely waiting, trapped and bound, but WAITING, inside my carpet, and inside some sort of Febreze prison? How long can that prison last? And then? What then?
I do not understand any of this. DOES ANYONE?
The cyclodextrin page seems to have much better info. It's still over my head, but there's no reason this has to happen on a sub-molecular level. Think of a hydrogen gas molecule (H_2) encountering an oxygen atom... no more stinky hydrogen, now we have water! (NOTE: I have no idea if hydrogen gas is stinky, but still.)
I have no idea if that's how it actually works because I'm too lazy to do more than skim the Cyclodextrin page (and too chemistry-stupid, too). But read that page and maybe it'll make more sense to you.
Yeah, what PAgent said!
PAgent: I assume by "favorable molecular attraction", you mean that the smelly molecule will form a molecular bond with the cyclodextrin? Or is it something else?
There is almost certainly no actual bond formation, and no chemical reaction. The forces involved are probably Van der Waals forces.
Think of them as the glue on a Post-it Note. Sticky, but not permanent.
I just couldn't get past this part- So I spilled a chai in my Jeep a few weeks ago
Hey - but you never told us - did the Febreeze work?
Whatever it does, it still smells fucking nasty.
It worked. Sort of. Perhaps because of my cynicism about its effectiveness, I'm pretty sure I used way too much. Like, half the bottle. So now my Jeep just reeks of chemically Fabreze. Which is better than curdled milk, I guess. But shit, what now? CAN YOU FABREZE FABREZE?!
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Cyclodextrin is shaped roughly like a molecular Dixie cup. If you have a substance that fits within the cup, and that has a favorable molecular attraction with the cyclodextrin itself (i.e., hydrophobic compounds) then the substance can get 'stuck' in the dixie cup.
If the molecule can't get to your nose, you can't smell it. Nothing is destroyed, nothing is created. It's just sequestered. Waiting to be released. To enact its vengeance.