Phenols Flashcards
soluble; clear dark brown to black solution
Phenol in 5% NaOH
%1 Phenol in FeCl3
Purple solution
%1 Cathecol in FeCl3
Clear colorless solution
%1 Thymol in FeCl3
Clear pale green solution
%1 a-naphthol in FeCl3
Dark red solution
Positive result: colored complexes
FeCl3 Test
Identify solubility of phenols
Solubility test
Detect phenolic compounds
FeCl3
1% phenol in Bromine Water test
Clear colorless solution with white prescription
Salicylic acid in Bromine water Test
Clear colorless solution with white prescription
Positive result: Clear colorless solution with white prescription
Bromine water test
Identify phenolics
Bromine water test
5% HCl in phenolphthalein
Clear colorless solution
5% NaOH in phenolphthalein
Pink solution
1% phenol in million’s test
Clear golden brown solution
5% albumin in Millon’s test
Clear yellowish solution with red precipitation
Positive result: red precipitation
Millon’s test
Ddetermine phenolic compounds in amino acids
Millon’s test
Test for carbonyl group
2,4 DNPH (Brady’s) Test
NaHSO3 Test
Acetone in Brady’s Test
Clear orange solution
Acetophenone in Brady’s Test
Yellow-Orange precipitation
Benzaldehyde in Brady’s Test
Orange solution
Formaldehyde in Brady’s Test
Reddish Orange Precipitation
Positive result:
yellow to orange=
red to orange=
Brady’s test
Who’s behind Brady’s test
Oscar Brady
Acetone in NaHSO3
White precipitation
Acetyldehyde in NaHSO3
White precipitation
Positive result: white precipitation
NaHSO3 Test
Determine if compound is an aldehyde or an aliphatic methyl ketone
NaHSO3 Test