1-(2-hydroxyphenyl)-2-phenylethanone Property

Melting point:

55.0 to 59.0 °C

Boiling point:

165°C/23mmHg(lit.)

Density 

1.178±0.06 g/cm3(Predicted)

pka

8.09±0.30(Predicted)

form 

powder to crystal

color 

Light yellow to Amber to Dark green

Safety

HS Code 

2914500090

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

1-(2-hydroxyphenyl)-2-phenylethanone Chemical Properties,Usage,Production

Preparation

Obtained by Fries rearrangement of phenyl phenylacetate,Also obtained by photo-Fries rearrangement of phenyl phenylacetate, ? in the presence of a- or b-cyclodextrin in organic solvents ; ? included in a Nafion membrane, at r.t. for 7 h (quantitative yield).? with aluminium chloride,
with titanium tetrachloride in chlorobenzene at 50° for 4 h (<5%);
? with polyphosphoric acid at 100° (1%);
? with or without 20% Bleicherde at 200° for 9 h (poor yields).