Diosphenol

Title: Diosphenol
CAS Registry Number: 490-03-9
CAS Name: 2-Hydroxy-3-methyl-6-(1-methylethyl)-2-cyclohexen-1-one
Additional Names: 1-methyl-4-isopropyl-1-cyclohexen-2-ol-3-one; 2-hydroxypiperitone; 1-p-menthen-2-ol-3-one; Buchu camphor; Barosma camphor
Molecular Formula: C10H16O2
Molecular Weight: 168.23
Percent Composition: C 71.39%, H 9.59%, O 19.02%
Literature References: The crystalline portion of an oil obtained from Buchu leaves which come from various species of Barosma, such as B. betulina Bartl. & Wendl., B. serratifolia (Curt.) Willd. and B. crenulata (L.) Hook., Rutaceae: Flückiger, Pharm. J. 11, 174, 219 (1880); Spica, Gazz. Chim. Ital. 15, 195 (1885); Shimoyama, Arch. Pharm. 226, 403 (1888); Kondakov et al., J. Prakt. Chem. [II] 54, 433 (1896); [II] 63, 49 (1901). Structure: Semmler, McKenzie, Ber. 39, 1160 (1906).
Properties: Crystals, mp 83°. Sublimes. bp760 233° (dec); bp10 109°. d499.2 0.9542. nD99.8 1.4607. Absorption spectrum: Lowry, Lishmund, J. Chem. Soc. 1935, 1313; Gillan et al., ibid. 1941, 62. Sparingly sol in water; moderately sol in alcohol; sol in ether, chloroform, carbon disulfide.
Melting point: mp 83°
Boiling point: bp760 233° (dec); bp10 109°
Index of refraction: nD99.8 1.4607
Density: d499.2 0.9542
Dioxadrol Dioxane Dioxaphetyl Butyrate Dioxethedrine Dioxybenzone