The liquid dissolved only in sulfuric acid.
1348
This is typical of neutral, oxygen containing compounds.
Solvent is deuterochloroform.
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132023303334383941424344454648495154
There are 2 alkene protons, an ethyl group and a 3H doublet.
Molecular ion occurs at 114.
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26
Peaks at 99 & 69 are due to loss of Me and EtO respectively.
Lambda max. 210 nm, log absorbance 4.1. In ethanol.
#
This unknown is conjugated.
No extra elements were detected.
212531353941424349264048
Absent are nitrogen, sulfur and halogens.
The liquid burnt with a somewhat smoky flame.
#
An inconclusive result.
Below room temperature.
#
As expected for a liquid.
Neat liquid.
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132023303334383941424344454648495154
Carbonyl absorption ( ester ? ) and evidence for unsaturation can be seen.
135 to 138 degrees.
#
A reasonably low molecular weight compound.
Optically inactive.
#
The compound is achiral.
0.918
#
A normal value for a liquid.
1.425
#
A typical value for a liquid.
#
#
#
114
#
The molecular weight is 114 or a multiple of it.
Solvent is deuterochloroform.
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#
C=O, disubstituted alkene, methylene, 2 methyls seen. Deshielding-heteroatom?
#
#
#
#
#
#
#
#
#
No precipitate formed.
2227282950
The compound is not an aldehyde or ketone.
No positive result was obtained.
3344454651
The compound contains no active hydrogens ie no OH, NH or SH.
#
#
#
#
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#
#
#
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A purple colour formed.
#
The compound is an ester.
#
#
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#
#
#
#
#
#
#
#
#
#
#
#
No positive result.
3344454651
The compound is not an alcohol, phenol or amine (prim. or sec.).
#
#
#
The reagent's colour was discharged.
#
The compound is unsaturated.
#
#
#
No colour change was observed.
232850
The compound is not a sugar.
#
#
#
A reaction occurred giving a loss of colour.
#
The compound is unsaturated.
A reaction occurred.
#
A functional group like an ester, acetal, amide, nitrile etc is present.
No useful reaction was noted.
#
This compound is not a phenol or enol.
#
#
#
#
#
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** Danger ** A rapid reaction took place.
#
Typical of compounds with O or N.
#
#
#
#
#
#
#
#
#
#
#
#
Discharge of the reagent's colour took place.
#
The compound is unsaturated.
A reaction took place.
#
The unknown is an amide , acetal, ester, nitrile etc.
No positive result.
3344454651
The compound is not an alcohol, phenol or amine (prim. or sec.).
#
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colourless liquid - hurts eyes
01050924
0
71767981
Solid m.p. 130-132 degrees
Solid m.p. 90-93 degrees
Colourless solid m.p. 158 to 161 degrees
Solid m.p. range 69 to 72 degrees
2
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liquid unsaturated ester
3
allyl isobutyrate
ethyl crotonate
allyl n-butyrate