Date: Thu, 6 Oct 2005 14:02:35 -0400
Reply-To: Tom Miller <tmiller@VCMAILS.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Tom Miller <tmiller@VCMAILS.COM>
Subject: Re: acetone
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Could I buy a vowel, please? :))
TEMiller
----- Original Message -----
From: "Alistair Bell" <albell@UVIC.CA>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Thursday, October 06, 2005 1:01 PM
Subject: Re: acetone
> acetone has carbon, hydrogen and oxygen. the oxygen has a double bond
> with one carbon, that carbon is bonded to 2 other carbons in single
> bonds. that defines it (in a very rough descrition) as a ketone. it is
> an organic solvent, it is not "based" on water. but the electric
> charge in the molecule is arranged such that there is a negative region
> on the oxygen, and a positive area on the hydrogens that are bonded to
> the carbon. this makes it a polar molecule, able to hydrogen bond with
> water. thus acetone is quite miscible in water.
>
>
> Organic refers to compounds containing carbon, both gasoline, a
> mixture of aliphatic hydrocarbons (just a chain of carbon atoms with
> hydrogen atoms "stuck on the sides", and yes, the length of the carbon
> chain varies in gas), and acetone are organic compounds.
>
> Aliphatic hydrocarbons are non polar.
> they do differ from ketones in their chemical properties.
>
> but will acetone in the amounts mentioned in this thread destroy seals,
> hoses, and whatever?
>
> i don't know, but one has to wonder if the acetone will form an
> azeotrope with any water in the tank or with the gasoline.
>
> Alistair
>
> '82 westy, diesel converted to gas in '94
> http://www.members.shaw.ca/albell/
> On 6-Oct-05, at 9:27 AM, Don Williams wrote:
>
> An organic solvent is a liquid which is based upon carbon-containing
> compounds, in contrast to an aqueous solvent, which is a liquid based
> upon
> water. Pure acetone is an organic solvent which contains only one type
> of
> molecule, while gasoline is a distillate fraction which contains many
> different types of molecules that have many of the same
> properties. Different organic solvents (petroleum ether, ether
> acetone,
> acetonitrile, and gasoline, for that matter) have different abilities
> to melt or liquify or leach (solubilize) materials with which they
> come in
> contact. Flexible tubing, like gas line) is formulated on the basis of
> which solvents it touches and thus gas additives will have some effect
> on
> the solubilizing (melting) of gas lines. I just think that one should
> be
> very, very, very careful about what one adds to gasoline and the
> refining
> industry has obviously not (MTBE), and now those F*****G people want
> protection for law suits over the matter. IMHO, the only thing good
> that
> can be said about individuals experimenting with acetone is that it is
> kind of an internalized experiment-----you do it and you suffer the
> consequences (except when your Vanagon catches fire while it is parked
> next
> to my Vanagon!!)
> Don
>
> At 08:52 AM 10/6/2005 -0700, you wrote:
> Don,
>
> explain to me the difference between gasoline, an organic solvent, and
> acetone, an organic solvent.
>
>
> alistair
>
>
>
> On 6-Oct-05, at 8:48 AM, Don Williams wrote:
>
> Acetone is an organic solvent and has properties that are very different
> than gasoline. I wouldn't want to even ride in a vehicle whose fuel
> lines
> have been exposed to acetone----you just can't know what the effect of
> small amounts of acetone in gasoline might have on those lines. I'm
> already pissed off about the additive changes that have been made to
> gasoline, and the extent to which the driving populace is a guinea pig
> for
> the trial of these materials.
> Engine fires are not fun events and it seems you should do everything
> possible to prevent one. That should include not experimenting with
> solvents on fuel lines.
> Don
>
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