Sciencemadness Discussion Board

P-Xylenol blue

undead_alchemist - 20-1-2009 at 03:56

Looking for info on p-Xylenol blue Synthesis.

Synonyms: Xylenol Blue, p-Xylenolsulfonephthalein
CAS: 125-31-5
Molecular Formula: C23H22O5S
Molecular Weight: 410.48
mp 212 °C (dec.)(lit.)
useful pH range
1.2 - 2.8, red to yellow (acid)
8.0 - 9.8, yellow to violet (alkaline)

not_important - 20-1-2009 at 04:08

How does this look?


Also http://dlib.lib.cas.cz/2033/1/20021779.pdf

Attachment: Xylenol blue.pdf (372kB)
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undead_alchemist - 20-1-2009 at 06:46

Thanks,

Looking over it now.

JohnWW - 20-1-2009 at 18:33

Quote:
Originally posted by not_important
http://dlib.lib.cas.cz/2033/1/20021779.pdf

Please give us the log-in name and password for accessing this site, along with ftp://dlib.lib.cas.cz ! Thanks.

not_important - 20-1-2009 at 19:38

Ah, don't have, it was a recent reference to xylenol blue and other compounds via microwave synth that we I clicked on it dumps me into the abstract , a short form which is here:

http://dlib.lib.cas.cz/2033/

%^&*(*&$#% fancy scripts make it hard to get a useful url sometimes, sorry for that.