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Windshield washer solution

Windshield washer solution - Chemistry Forum

Windshield washer solution - Chemistry Forum. Discuss chemical reactions, chemistry.


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  #1  
Old 12-05-2003, 10:13 PM
Michael Moroney
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Default Windshield washer solution



What is the composition of typical "blue" windshield washer solution sold
for car windshields (in the Northeast US)? I believe it is essentially
methanol, but what else is in there? Some water, I guess but not too
much (else it leaves ice crystals in cold weather). Can it be used
to make biodiesel (using NaOH to form esters with fatty acids from oil)?


--
-Mike
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  #2  
Old 12-05-2003, 10:49 PM
Henry Boyter
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Default Windshield washer solution

Go to [Only registered users see links. ] and search on winshield.
The methanol content varies greatly. I saw ~5-55%,
some with ammonia. One had no methanol, but a glycol instead.


--

Henry Boyter, Jr.
PhD Chemist

[Only registered users see links. ]
The opinions expressed are those of Dr. Boyter and
are provided for informational purposes only and
should not be used as advice. No warranty or
expression of professionalism is implied.


"Michael Moroney" <[Only registered users see links. ].spaamtrap.com> wrote in message
news:bqqvuv$jeu$[Only registered users see links. ].com...


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  #3  
Old 12-05-2003, 11:21 PM
Steve Turner
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Default Windshield washer solution

[Only registered users see links. ] (Michael Moroney) wrote:


Typically it's methanol and water with a little dye. If you're
thinking of doing transesterification processes, you'll need dry
methanol, which this stuff definitely is not. But tech grade methanol
is pretty cheap, at least in drum quantities.

Steve Turner

Real address contains worldnet instead of spamnet
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  #4  
Old 12-08-2003, 01:50 PM
John Spevacek
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Default Windshield washer solution

"Henry Boyter" <[Only registered users see links. ]> wrote in message news:<9Y7Ab.83108$[Only registered users see links. ]. com>...

There was an article I read not too long ago that stated the maximum
amount of methanol was 40%. Anything higher than that at the
flashpoint became to much of an issue.

John
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  #5  
Old 12-08-2003, 05:14 PM
Michael Moroney
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Default Windshield washer solution

Steve Turner <[Only registered users see links. ].net> writes:


Last I knew chemical supply companies didn't sell to individuals, and I
would guess this has only gotten worse since 9/11. Anyway, for now I
was looking at small quantities, if all goes well and it seems worthwhile
then maybe I'll be looking at getting a drum at a time.


--
-Mike
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  #6  
Old 12-08-2003, 09:16 PM
Steve Turner
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Default Windshield washer solution

[Only registered users see links. ] (Michael Moroney) wrote:


Buying from chemical companies can be troublesome for individuals,
though not necessarily impossible (yet). A lot depends on what you're
buying -- a drum of ether would likely be much more difficult to
obtain than a drum of methanol.

I have bought gallon quantities of methanol in the form of shellac
thinner. However, this is an exception rather than the rule; shellac
thinner is normally denatured ethanol. It's easy to tell by smell, so
maybe you could visit a number of hardware stores and sniff their
shellac thinners...

Or maybe ethanol would work for your purpose. The ethyl biodiesel
esters would probably be very similar to the methyl esters for fuel
purposes.

Steve Turner

Real address contains worldnet instead of spamnet
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