Very soluble in water; no change in pH. Insoluble in ether.
1348
A neutral, probably polyhydroxy compound.
Solvent is deuterated water with TSP. The peak near 4.8 ppm is HOD.
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Water solubility and spectrum indicates a polar (polyhydroxy ?) compound.
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dummy ms
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None of the 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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A saturated covalent organic compound.
101-104 degrees.
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Typical of many organic compounds.
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1314192224272942
A saturated, aliphatic compound with one or more hydroxy groups.
The compound decomposed before boiling.
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Many organic compounds melt and then decompose before boiling.
Initially -132.2 degrees but after standing it was measured at -92 degrees.
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this unknown is chiral. The change with time suggests mutarotation.
Not usually measured for a solid.
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Density is mainly measured for liquids.
Not usually measured for a solid.
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Usually only determined for a liquid.
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dummy cmr
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A yellow precipitate formed.
222729
The compound reacts as if an aldehyde or ketone group is present.
No reaction at room temperature.
3344454651
Like most solids this compound does not react with sodium at room temperature.
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No positive result.
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The unknown is not an aliphatic aldehyde.
Rapid formation of a red precipitate was observed.
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The unknown is a monosaccharide.
No apparent reaction.
14
The unknown is not an ester.
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No change was noted.
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The methyl ketone group is absent.
A red precipitate formed.
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The compound is a reducing sugar.
A silver mirror was formed.
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An aldehyde or reducing sugar is present.
A vigorous reaction took place.
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Hydroxy or amino (NH) groups must be present.
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The reagent's colour was discharged.
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The compound can be oxidised.
A reaction occurred but no product could be isolated.
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A complex reaction which is suggestive of a polyfunctional compound.
A red ring at the interface formed followed by a violet precipitate.
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The compound is a sugar (carbohydrate).
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No positive result.
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The unknown is saturated and not a phenol.
No apparent reaction.
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The unknown is not an ether.
No colour change was observed.
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The compound is not a phenol.
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The reagent's pink colour disappeared.
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The unknown has several hydroxy groups.
A white precipitate was formed.
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This reaction indicates that at least 2 adjacent OH groups are present.
A rapid reaction took place.
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The compound contains primary and/or secondary hydroxy groups.
** Danger **  Exothermic reaction with much charring was seen.
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A reaction which is typical of an oxygen containing compound.
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A red precipitate formed quickly.
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This reaction is characteristic of reducing sugars and aldehydes.
No reaction appeared to take place.
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The compound is not a simple secondary or tertiary alcohol.
No positive result.
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The unknown is not a phenol nor is it unsaturated.
No reaction was observed.
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Absent are groups like esters, amides and nitriles.
A rapid reaction took place.
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This shows that the unknown contains OH or NH groups.
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colourless crystalline solid
01050734
232850
687380
White solid m.p. 77-79 degrees.
Yellow solid m.p. 205-210 degrees formed within 2 minutes.
Colourless solid melting range either 68-70 or 108-109 degrees.
1
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carbohydrate
3
D-fructose
L-rhamnose
L-lyxose