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ChemicalBook--->CAS DataBase List--->3669-47-4

3669-47-4

3669-47-4 Structure

3669-47-4 Structure
IdentificationBack Directory
[Name]

1,2-bis(4-hydroxyphenyl)ethan-1-one
[CAS]

3669-47-4
[Synonyms]

1,2-bis(4-hydroxyphenyl)ethan-1-one
Ethanone, 1,2-bis(4-hydroxyphenyl)-
[Molecular Formula]

C14H12O3
[MDL Number]

MFCD01102874
[MOL File]

3669-47-4.mol
[Molecular Weight]

228.24
Chemical PropertiesBack Directory
[Melting point ]

215–219°C
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H335
[Precautionary statements ]

P261-P264-P270-P271-P280-P301+P312+P330-P302+P352-P304+P340+P312-P305+P351+P338-P332+P313-P337+P313-P362-P403+P233-P405-P501
Hazard InformationBack Directory
[Preparation]

Preparation by total demethylation of 4-methoxyphenyl 4-methoxybenzyl ketone (4,4′-dimethoxydeoxybenzoin),
? with refluxing pyridinium chloride (4 equiv) for 1 h (80–85%);
? with boiling a mixture of 50% aqueous hydriodic acid and phenol for 30 min (94%);
? with hydriodic acid (d = 1.7) in acetic acid at 135–140° for 10 min (quantitative yield);
? with aluminium chloride in refluxing benzene for 1.5 h (25%).
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