ChemicalBook--->CAS DataBase List--->140675-42-9

140675-42-9

140675-42-9 Structure

140675-42-9 Structure
IdentificationMore
[Name]

3',5'-DIFLUORO-2'-HYDROXYACETOPHENONE
[CAS]

140675-42-9
[Synonyms]

1-(3,5-DIFLUORO-2-HYDROXYPHENYL)ETHAN-1-ONE
3',5'-DIFLUORO-2'-HYDROXYACETOPHENONE
3,5-DIFLUORO-2-HYDROXYACETOPHENONE
3,5-DIFLUOROSALICYLALDEHYDE
3',5'-Difluoro-2'-hydroxyacetophenone 98%
3',5'-Difluoro-2'-hydroxyacetophenone98%
1-(3,5-Difluoro-2-hydroxyphenyl)ethanone
[Molecular Formula]

C8H6F2O2
[MDL Number]

MFCD00042476
[Molecular Weight]

172.13
[MOL File]

140675-42-9.mol
Chemical PropertiesBack Directory
[Melting point ]

53-55°C
[Boiling point ]

220.8±35.0 °C(Predicted)
[density ]

1.346±0.06 g/cm3(Predicted)
[storage temp. ]

Sealed in dry,Room Temperature
[pka]

8.93±0.23(Predicted)
[CAS DataBase Reference]

140675-42-9(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
[Hazard Note ]

Irritant
Hazard InformationBack Directory
[Preparation]

This compound can be easily obtained by Fries rearrangement of 2,4-difluorophenyl acetate with aluminium chloride without solvent at 150°, and purified by recrystallization from ethanol (80–90%) ; the 2,4-difluorophenyl acetate is prepared by reaction of acetic anhydride on 2,4-difluorophenol.
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

1-(3,5-difluoro-2-hydroxyphenyl)ethan-1-one(140675-42-9)
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