Dissolved in both water and ether (no change in pH of water)
1348
Low molecular weight, neutral, oxygen or nitrogen containing compound.
Solvent is deuterochloroform.
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132023303334383941424344454648495154
The unknown is a saturated aliphatic aldehyde. A propyl group may be present.
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dummy ms
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No extra elements were detected.
212531353941424349264048
Nitrogen, sulfur and halogen containing compounds are absent.
Burnt with a clear flame leaving no residue.
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Probably a saturated aliphatic compound.
Below room temperature.
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A typical organic liquid.
Neat liquid film
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gUIA>;87653/,*)((''&&&&&'((**+--.1229@GWv�����ykiv��������������~paQHGDEC@ACDJMLTLHFCBCGJMRPKGEFIJKMQZdnvxurw��jeaZVSNLMNRY_a[OKHGN\kwpjeksy{shghi]L>310..,)())-15:=:752247<IazsgZNC;93.--+,.014;FNPHFC?<6/,(#$%!  !!!#"!#%&(-1<L]k]PF9==@=@=?DJGMX^a]]s�� 
132023303334383941424344454648495154
A strong C=O (aldehyde ?) and aliphatic vibrations can be seen.
73-76 degrees.
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A low boiling (volatile) organic liquid.
Optically inactive.
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Unknown 9 is not chiral.
0.8168
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A typical value for a liquid.
1.3844
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Typical value.
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dummy cmr
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A yellow precipitate formed immediately.
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The unknown is an aldehyde or ketone (carbonyl containing) compound.
No positive result.
3344454651
The compound is not an alcohol, acid or phenol.
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Rapid formation of a pink colour was seen.
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Unknown 9 is an aldehyde.
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No change could be seen.
14
This unknown is not an ester.
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No precipitation or other changes were observed.
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The unknown is not a methyl ketone (and can't be oxidised to one).
A red precipitate formed.
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This test shows that the unknown is an aldehyde.
Rapid formation of a silver mirror.
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Unknown 9 is an aldehyde.
No positive result.
3344454651
Functional groups like alcohols and amines are absent.
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The purple colour was discharged and a brown precipitate formed.
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The unknown can be oxidised. 
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No colour change was observed.
23
The compound is not a carbohydrate.
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No change could be seen.
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No reaction means that this unknown is not unsaturated nor is it a phenol.
No positive result.
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Unknown 9 is not an ether.
No change in colour was noted.
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The compound is not a phenol.
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## Danger ## exothermic reaction.
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A typical reaction of an oxygen or nitrogen containing compound.
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A red precipitate formed quickly.
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This tests reveals that unknown 9 is an aldehyde.
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No reaction was observed.
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The compound is saturated and not a phenol.
No positive result.
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Functional groups like esters, acetals, amides etc. are absent.
No positive result.
3344454651
The unknown is not an alcohol, phenol or primary or secondary amine.
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nasty smelling liquid
01050919
22282950
83859396
Solid m.p. 85-88 degrees.
Colourless crystals m.p. 104-106 degrees.
Solid with meltimg range of 92 to 94 degrees.
Yellow crystals m.p. 122-123 degrees.
3
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liquid aliphatic aldehyde
2
n-butyraldehyde
trimethylacetaldehyde