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UNK04.TXT
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1994-03-20
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210 lines
The unknown dissolved only in concentrated sulfuric acid.
1348
Suggests an unsaturated hydrocarbon or a neutral oxygen containing compound.
Solvent is deuterochloroform.
σσσσσσσΣΣΣΣΣΣΓß▀▌▌▌┌╫╙╛¼ÿì¡╞▄▀ßßΓΓßß▐╫╒╙═╩╦╠┼╛¼Åsd2 ê«└╖▒«▒├┼╟╚╞─╠╜¡ûÿ╝╛├║╢║╛┼├╚┐╒█╪┘┌▄▐▐▀▀αßßßΓπΣΣΣΓΓππππΣΣΣσσσσσσσσσσσσσσσσµµµµµτµµµµµµµµµµµµµσσσσσµµµµµσσµµµµµµµµµµσσσσσµµµµµµµµµµµµτττττττττττττΦτΦΦΦΦττΦΦΦΦΦΦΦΦΦττττττττττττµµµµµµµµµµµµµµµµµµµµµµµµµµµτττ
ττττττττττττττττττµµµµµµµµτττττττττττττττττττττττµµττττττττµµµµµτττττττττττττττττττττττττττττττττττΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦττττττττττττττττττττττττττττττττττττττττττττττττττττττττττττττµµµµµµµµµµµµµµµµµµµµµµµµµµµµµτττττττττττττΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦ
ΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦττΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦττΦΦΦΦΦΦΦΦΦΦΦτττττττΦΦΦΦΦΦΦΦµσσππΓΓππσπµµµτΦΦΦΦ'ë!5u&╜1!
ΦΦΦΦτττττµµµτΦΦΦΦΦΦΦττττΦΦΦτττττττττττττττττττττµττττττΦΦΦΦΦΦΦτττττττΣσßµµ┘╨╟┤êp╫▀σµµΦΦΦΦΦΦΦΦΦΦΦΦΦΦΦττττττττττττµµττττµµµµµµµµσσσσσσσσσσσµµµµµµσσµµµµσσµµµµµµµσσσσσσσσΣΣΣΣΣΣΣπΣΣσσσσR
132023303334383941424344454648495154
The unknown is an aromatic aldehyde (ratio of 1 aldehyde to 7 aromatic H's).
#
dummy ms
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None of the extra elements were detected.
212531353941424349264048
Only carbon, hydrogen and possibly oxygen are present.
Burnt with a sooty flame leaving no residue.
#
The compound is unsaturated or aromatic (high C/H ratio).
57 to 60 degrees
#
A low melting solid, not very polar or ionic.
Nujol mull
"!!!! !"""!!!!"""!!! !! !! !""!"#""###$$#$%%%%&&'''((()7))).2-+**********+,,..////12347<MQJHMTcâñ╘╪▀Φß╒═└╣╟╒└¥çmZOHA94857?@=8210.-,+*)))'&&&%%%%%%$$%&&&&&&&&%%&''''''''&&&%&&&&%%%%%%%&%%%%%%%%&&%&)*))))+)'&&&%%%&&&&()(('&%%&'''''((&$"!!!!###"!%)+-T¿▐▄╙╡
öì|keaf]UWuq`ZMQcdUNMSCBB@?>??>?ABDJHGILTvÜ╛╢¡¢ÄÇiXMDA@UJR_üqnkd]ÿÆ|cOJEEEECAAMW__`nZRFCA?IRIC>:88;Säöq^V]dMArq{\IC?>>>>=<<<<<<<<AJ\bA<=F@A]XHC@;98878G_G>:<aù₧rTJ@SòÆkSSJB<;<=CQnTH£═Ñ_QNQE>:<93/-+*)))(()/M<,+,7:2-*('%#"%%%&'(&%(&,*OäiE522478=@JQScf
132023303334383941424344454648495154
The unknown is an aromatic carbonyl compound.
Decomposed before distilling.
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Typical of most organic solids.
Optically inactive.
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Not a chiral molecule.
Not easily measured for a solid.
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Usually measured only for liquids.
Not available for a solid.
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Usually only measured for a liquid.
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dummy cmr
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A dense yellow coloured precipitate formed.
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A carbonyl group is present (either an aldehyde or ketone).
No observable reaction at room temperature.
3344454651
No reactive groups like alcohols or acids are present.
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A pink colour slowly formed but could be due to exposure to air.
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Probably an aldehyde but aromatic ones are slow to react.
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No change could be seen.
14
The compound is not an ester.
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No observable change was seen.
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No methyl ketone group is present.
No change appeared to take place.
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Possibly not an aldehyde but the test is mainly for aliphatic aldehydes.
Rapid formation of a silver mirror was observed.
#
Aldehyde group present (a reliable test for aromatic & aliphatic aldehydes).
No reaction was seen.
3344454651
Compounds like alcohols, phenols, prim. amines and sec. amines are absent.
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A reaction ocurred giving a brown precipitate.
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An oxidisable group is present.
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No apparent reaction.
23
The unknown is not a carbohydrate.
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No reaction took place.
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Unsaturation is absent.
No reaction.
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No cleavable group is present e.g. esters or ethers.
No change was seen.
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The compound is not a phenol.
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A vigorous reaction occurred.
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Not a saturated aliphatic hydrocarbon.
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No observable reaction.
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Suggests that an aldehyde is absent but test is unreliable for aromatic comps.
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No reaction.
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Not an unsaturated compound nor a phenol.
No reaction could be observed.
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No hydrolysable groups like esters are present.
No reaction.
3344454651
Compounds like alcohols, phenols, prim. amines and sec. amines are absent.
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colourless solid
01050729
0
618385939697
Colourless solid having a m.p. of 182-184 degrees.
Solid with m.p 228-230.
Crystalline solid m.p. 244-247 degrees.
Solid with m.p. 205 to 206 degrees.
Yellow crystalline solid m.p. 269-272 degrees.
Solid with melting range 154-156 degrees.
3
ê¥┤▒░░t¿│iê»ñ║╡╖
ê¥┤▒░░t¿│ië╕íñ▓─_ª╡^Ö¿╩«ó
ñ▒╢╕┤░a¼╖këùÄÄ┤│oº¬fÿÑ╣├í«
solid aldehyde
5
1-hydroxy-2-naphthaldehyde
2-naphthaldehyde
3-ethoxy-3-methoxybenzaldehyde
4-phenylbenzaldehyde
3-methoxy-1-naphthaldehyde