_ being recognized as carvacrol. 
| or. phenyliso-cyanate and about 10 cc. of a eee ‘traction®) ee . 
balsam, obtained in Columbia from Copaiba officinalis. It yielded ADS. 5 pe 
-_ volatile oil (d 0.899; a, —21.65°). The balsam itself dissolved in light pe 
a further 2.8 vols. or more; easily soluble in,alcohol 90 per cent., a 
a mixture of equal quantities of sodium Salicylate and water). 
there would have’ been clear mixtures. The same applies to thos 
Half tie oil dissolves in G per cent. ‘Soa ne. the ‘hal recov a ror 
The nitroso punto prepared 
and 200°. After exposure to a low lennon a a white mass of. ee 
with Goldschmidt’s*) indication, but not with that of “So cor i 
its m.p. is 140°. 
origin sokatdibs to hone method as well as oe aia sowie’ a mix Ire 
phenyliso-cyanate and the petroleum fraction to stand in the cold. 
found the m.p. indicated by Goldschmidt. 
Copaiba balsam Oil. The ‘Eubentt Institute?) examined a —_ 
but a small pce and furnished a transparent solution with a 10 pe 
ammonia. The volatile oil boiled between 255 to 270°; npss0 1 A9T. 
4 
— 2°54’; AES Rcs 51352; viscosity 1.508, as oe with water (aber 
i of Enbiers Heeosimnebna). acid v. 1.25; sap. v. 30.9; ‘id. after acetylatio 
geraniol 48.2 per cent.; free alcohols 33.9 per cent. iseciMBIE: in alcohol 0 T cel 
soluble in 1.9 vol. alcohol 70 per cent., there being Hinbiniey. if another 3 vo Wace 
be added; soluble in 0.6 vol. alcohol 80 per cent., there being turbidity, on 
occurring on addition of 6 ve The solutions in ether, acetic acid ester, 
nitrobenzene, amyl alcohol, benzyl alcohol and methyl alcohol are clear, | 
of the oil with light petroleum, benzene, xylene, chloroform, carbon : 
carbon tetrachloride are turbid®). The mixtures with paraffine or fatty 
completely clear. Furthermore, about 90 per cent. of the oil. are solu le in 
Record 10 (1919), 18. 
— ») This is due to the fact that the. oil contained water. aha it 
de Vacadémie Powel de medicine de Belgique of ene, 24ee ida 
