5'-BROMO-2'-HYDROXYPROPIOPHENONE 97 Chemical Properties

Melting point:

78-79°C

Boiling point:

156°C/21mmHg(lit.)

Density 

1.506±0.06 g/cm3(Predicted)

pka

7.68±0.48(Predicted)

form 

powder to crystal

color 

White to Light yellow to Light orange

Safety Information

Hazard Codes 

Xn

Risk Statements 

22

RIDADR 

UN 2811 6.1/PG 3

WGK Germany 

3

HS Code 

2914500090

5'-BROMO-2'-HYDROXYPROPIOPHENONE 97 Usage And Synthesis

Preparation

Preparation by Fries rearrangement of 4-bromophenyl propionate with aluminium chloride at 165° for 1 h (97%), at 150–160° for 30 min or at 120° for 30–40 min (80%)
Preparation by bromination of o-hydroxypropiophenone with bromine in 80% aqueous acetic acid at r.t. (66%)
Also obtained by acylation of p-bromophenol with propionic acid in the presence of boron trifluoride in a sealed tube at 120° for 1 h (59%).

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