2-Hydroxydiphenylmethane Property

Melting point:

49-51 °C (lit.) 49-51 °C

Boiling point:

312 °C (lit.)

Density 

1.0120 (rough estimate)

refractive index 

nD20 1.59945

Flash point:

>230 °F

storage temp. 

Inert atmosphere,Room Temperature

solubility 

practically insoluble

form 

powder to crystal

pka

10.39±0.30(Predicted)

color 

White to Brown

Water Solubility 

practically insoluble

Merck 

14,1142

BRN 

2045725

CAS DataBase Reference

28994-41-4(CAS DataBase Reference)

NIST Chemistry Reference

Phenol, 2-(phenylmethyl)-(28994-41-4)

EPA Substance Registry System

Phenol, 2-(phenylmethyl)- (28994-41-4)

Safety

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-36-37/39

WGK Germany 

3

TSCA 

Yes

HS Code 

29071990

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

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

P302+P352IF ON SKIN: wash with plenty of soap and water.

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

2-Hydroxydiphenylmethane Chemical Properties,Usage,Production

Chemical Properties

colorless to red-pink crystals

Uses

2-Benzylphenol was used as starting reagent in the synthesis of 2-benzylacetate. It was also used in the the synthesis of 6- and 8-benzyl derivatives of 2-(dialkylamino)chromones.

Synthesis Reference(s)

Synthesis, p. 803, 1977 DOI: 10.1055/s-1977-24589

Purification Methods

Distil 2-benzylphenol in a vacuum and recrystallise it from EtOH. It has a stable form with m ~52o and an unstable form with m 21o. [Beilstein 6 H 675, 6 IV 4628.]