— 23 — 



and does not change on exposure to the air. di 5 o 0,8677; ac id 

 number 3,0; saponification number 4,9; iodine number 288,9. With 

 the exception of petroleum ether, it dissolves in all solvents. On 

 distillation the bulk of the oil passes over between 150 and 160 . 

 When tested for pinene, Kauri oil yields an abundant quantity of 

 crystals of nitrosochloride. It does not yield a solid addition product 

 with bromine. The oil neutralised with semi-normal potash liquor is 

 almost completely volatilisable with steam. Its portions boiling above 

 170 form with bromine in alcohol-ether solution a solid addition 

 product, which points to the presence of limonene-like bodies. 



The Manila oil distils over as a pink liquid which readily becomes 

 cherry-red on exposure to the air, and which has the following pro- 

 perties: diso 0,9069; acid number 28,3; saponification number 45,7; 

 iodine number 230,4. In all usual solvents, excepting petroleum ether, 

 it dissolves completely. As distinguished from Kauri oil, only about 

 2O°/ of the Manila oil distil over up to 160 , about 3O°/ from 

 160 to 185 , and above 250 about 34%. With steam only about 

 one half of the crude oil passes over. The bright yellow distillate has 

 the specific gravity 0,8567; about 65°/ of it boil up to 170 . The 

 author endeavoured without success to separate also from this oil 

 derivatives of pinene and limonene. The distillation water of the 

 Manila oil is rich in acids of which up to the present formic and 

 acetic acids have been detected. 



Coriander Oil. As during this season the Russian seed alone 

 was obtainable, it was only natural that exceptionally high prices had 

 to be asked for this oil, prices such as probably have never ruled 

 before. In order to satisfy all demands addressed to us, we could not 

 afford to let a single parcel of material go past us, yet we believe 

 that our stock of oil will last until the new harvest. 



Oil of Cretian Origanum. For a Sicilian oil, possibly derived 

 from Origanum creticum, Umney and Bennett 1 ) mention the follow- 

 ing constants: d^o 0,920°; «d + o°; phenol-content 44%, chiefly 

 carvacrol; soluble in 2 vol. 80 per cent, alcohol, insoluble in 70 per cent, 

 alcohol. 48 °/ of the oil distilled over below 220°. 



Oil of Cryptomeria japonica. K. Keimazu 2 ) has detected 

 in the essential oil of this conifer a dextro-sesquiterpene closely related 

 to cadinene, which absorbs two molecules hydro-halogen, and contains 

 two ethylene -linkings; he calls this body, whose physical constants 

 differ from those of cadinene, cryptene. The oil contains further 

 a polyatomic phenol, which yields a dibromine-product C 11 H 14 Br 2 3 . 



x ) Pharm. Journal 75 (1905) 860; Chemist and Druggist 67 (1905), 970. 

 2 ) Journ. of the Pharm. Soc. of Japan 1905, 189. According to Pharm. 

 Centralh. 46 (1905) 836. Comp. also Report October 1902, 32. 



