Title: p,a-Dimethylbenzyl Alcohol

CAS Registry Number: 536-50-5

CAS Name: a,4-Dimethylbenzenemethanol

Additional Names: p-tolylmethylcarbinol; methyl-p-tolylcarbinol; 4-(a-hydroxyethyl)toluene; 4-methyl-a-phenethyl alcohol; 1-p-tolyl-1-ethanol

Molecular Formula: C9H12O

Molecular Weight: 136.19

Percent Composition: C 79.37%, H 8.88%, O 11.75%

Literature References: Constituent of the essential oil from Curcuma longa L., Zingiberaceae and related plants: Dieterle, Kaiser, Arch. Pharm. 271, 337 (1933). Prepd from p-tolylmagnesium bromide and acetaldehyde in ether: v. Auwers, Kolligs, Ber. 55, 42 (1922); Eisenlohr, Schulz, Ber. 57, 1816 (1924); from 4-methylacetophenone: Gastaldi, Cherchi, Gazz. Chim. Ital. 45, II, 274 (1915).

Properties: Viscous liq. Odor somewhat like that of menthol. The natural product is probably levorotatory. Constants for the synthetic dl-form: d415.5 0.9668. bp756 219°; bp14 134°; bp11 115-116°. Very sparingly sol in water. Miscible with abs alcohol, ether. Also sol in isopropanol, liq petrolatum.

Boiling point: bp756 219°; bp14 134°; bp11 115-116°

Density: d415.5 0.9668

 

Derivative Type: Phenylurethan

Molecular Formula: C16H17NO2

Molecular Weight: 255.31

Percent Composition: C 75.27%, H 6.71%, N 5.49%, O 12.53%

Properties: Crystals, mp 97.5°.

Melting point: mp 97.5°