3,5-dichloro-4-hydroxybenzophenone

3,5-dichloro-4-hydroxybenzophenone Property

Melting point:

148 °C

Boiling point:

408.4±45.0 °C(Predicted)

Density 

1.406±0.06 g/cm3(Predicted)

pka

5.26±0.23(Predicted)

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

P280Wear protective gloves/protective clothing/eye protection/face protection.

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

3,5-dichloro-4-hydroxybenzophenone Chemical Properties,Usage,Production

Preparation

Preparation by Fries rearrangement of 2,6-dichlorophenyl benzoate with aluminium chloride,
without solvent at 154° for 2.5 h (71%);
in chlorobenzene at 140–150° for 20 min;
in nitrobenzene at 75° for 24 h.