Title: p,a-Dimethylbenzyl Alcohol
CAS Registry Number: 536-50-5
CAS Name: a,4-Dimethylbenzenemethanol
Synonyms: 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°