Talk:Methyl isobutyl ketone

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Evil pollutant!

A pollutant that the government wants added to ethanol alcohol to prevent it from being used as a beverage, but only as a vehicle fuel instead. In the event of ground water contamination, as in the case of MTBE added to gasoline by government order, the State and Federal governments reject all responsibility for the future ground water contamination by Methyl isobutyl ketone and insist that it is the fault of ethanol fuel corporations. Even though these corporations do not want to add Methyl isobutyl ketone to ethanol fuel, but are being forced by the State and Federal government on threat of fine or jail time. The tv news media says they will not inform the American people of these criminal actions by the State and Federal government politicians and government employees. Posted by User:65.148.10.93 Note: This first entry on the Talk Page was originally the entire article created by User:65.148.10.93 on 23:38, 17 July 2005, and moved to Talk Page‎ by User:Walkerma 04:22, 20 July 2005 — JohnFromPinckney (talk) 15:02, 30 January 2017 (UTC)[reply]

Yes, I can see that all Governments and their employees are criminals. Your comment smacks as typical paranoia fromt the anti-Government brigade. Have you got any real evidence of this? If so, present it rather than ranting. And perhaps you may wish to note that other countries have State and Federal governments and not just the USA. So your rant is even more incomprehensible. Aussie Alchemist 03:54, 30 January 2006 (UTC)[reply]

From PNA/Chemicals

Note: This section (two entries from 2005) copied or moved from WP:PNA/Chemicals by User:Alba 12:27, 8 April 2006‎‎ — JohnFromPinckney (talk) 15:02, 30 January 2017 (UTC)[reply]

Methyl isobutyl ketone NPOV as well as numerous factual errors. Could use someone with experience in formatting chemical pages to give it a proper treatment. Probably needs to be rewritten from scratch. Sbard 21:43, 18 July 2005 (UTC)[reply]
- Done, thanks to User:Walkerma. Physchim62 10:42, 24 July 2005 (UTC)[reply]

Carbon numbering incorrect

After seeing the erroneous systematic name "2-methylpentan-4-one", I do have to agree with Sbard. Carbon chain is numbered with lowest number(s) closest to highest priority functional group (the ketone carbonyl, in this instance); methyl substituents are subordinate groups.

As for the "evil pollutant" rant herein, MIBK has been and continues to be widely used as a paint solvent, and no "evil" effects have been forthcoming, or else we'd all be dropping dead from the poisoning thereof. Leave the alarmist rhetoric where it belongs, please—in utter silence. Irishchieftain 01:34, 3 June 2007 (UTC)[reply]

Actually, the name WAS correct when I did the rewrite, (see [this version), but someone had switched it without me noticing. Regarding the alarmist rhetoric, are you referring to the CS gas reference? (Believe me, the article was much worse when Sbard commented!). I think I will add this article to my ToDo list, and I'll try and add some plain old content to this. Can you help with this, too? Thanks, Walkerma 04:09, 3 June 2007 (UTC)[reply]

Rite Aid Ethyl Rubbing Alcohol

I bought a bottle of that stuff, and can you believe they had acetone, denatonium benzoate, AND methyl isobutyl ketone? You only need one of those to make it undrinkable, yet they loaded it with all three. Is that even safe to put on the skin? I usually put salicylic acid in a bottle of alcohol and use it as an astringent, but this stuff was like the ultimate solvent for it. Was much more acidic than normal, as if all the acid powder become totally dissolved. Way too strong. Is that normal for ketone and acetone? Are they far better solvents than isopropyl alcohol or diluted ethanol? Is this a common chemical to spike rubbing alcohol with, now? 66.178.144.154 (talk) 06:47, 18 April 2011 (UTC)[reply]

It's likely that acetone and methyl isobutyl ketone are added not to make it undrinkable, but rather to make it better at doing things people commonly use it for, such as removing nail polish. -- Ed (Edgar181) 11:44, 18 April 2011 (UTC)[reply]

Polarity statement is incorrect

The "Solvent and niche applications" states that "It has a similar polarity to ethyl acetate,..." which is not correct.

This article states for MIBK Dipole Moment 4.2 Debye.

The Wikipedia article on ethyl acetate (which is linked) gives a value of 1.78 D.

On a scale of ~0-11, these values are not similar.

Since neither value has a reference listed, I will have to wait until I can cross-check a chemistry textbook before making changes to the value or the statement, unless someone else can do this before me.

ScottHW (talk) 17:36, 7 August 2012 (UTC)[reply]

Great catch and I look forward to your updating the article. I probably wrote the offending comment. Polarity is not the same as dipole moment, at least to bench chemists, so maybe we should explain/correct the comment/context or just delete the offending statement. --Smokefoot (talk) 18:28, 7 August 2012 (UTC)[reply]

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