_ benzyl mustard oil did not succeed = testa) the. formation of allyl | 
_ allyl oxalate and potassium thiocyanate. Allyl thiocyanate i is first forme , 
boiling the solution, changes into allyl mustard oil. eee aN, aiee + 
part: O:CO: COOH + K: S-CN = C3Hs:S- CN+COOH- cooK => CHiN S 
Allyl thiocyanate. + Allyl isothiog cyan ite 
From allyl chloride (1 molecule), a solution of phenol (3. molerwlen and s iu 
(1 molecule) in absolute alcohol, over 70 per cent. of phenolallylether C.Hs0- -CH,CH: 5 
(m. p. 190 to 192°) was obtained, which on heating to 200 to 220° rearranged itself into 
o-allylphenol (I)*) (m. p. 213 to 226°; dio 1.0242; m. p. accor to L. -Claisen 220 to 220.5° 
CeH C,H -—> e H | 
eo OCH. CHACH, Aca CH: CH, * : Aan :CH-CH, 
(1) o-Allylphenol. 0- Allylpheny!methylether. E c-Propenylphenyimethylether. 
The methylether of the o-allylphenol heated to 1250" ith alcoholic. foe 
changed into o-propenylphenylmethylether (m. p. 219 to 2219; dj.00.9890), an isomeride 
of anethole. Its constitution was established by oxidising to pee agi eciieney 
(b. p. 98 to 99°), 
With ethylallylether (b. p. 64.5 to 66°; do 0.7618) a alge) of ‘the aly group 
into the-ethyl group on warming was not demonaabic % 
Mustard oil is frequently used as a skin irritant in a 3 per cent. oil acon 
Stronger effects can be obtained if the oil is used as an emulsion in sugar syrup, gum 
mucilage or a 3 per cent. tragacanth mucilage. According to G.E. Ewe”) the last-named 
proved to be especially suitable. The oil can be emulsified with the mucilage with 
the aid of a copper foam-beater. Comparative tests showed that a 2 per cent. oil 
emulsion in tragacanth mucilage has the same effect on the skin as a 3 per cent. 
mustard oil solution in a mixture of paraffin (15 per cent.) and yellow petrolatum 
(85 per cent.). The mustard oil tragacanth emulsion keeps very well, if kept in air- 
tight vessels—tin tubes for example. 
Re estimation of essential oil in mustard seed, see p. 92 of this aks 
Orange Blossom Oil.—The well-known “Société coopérative des propriétair 
d’orangers” have themselves manufactured into orange-blossom oil this year the h ge 
quantities of flowers delivered to it by its members; unfortunately it results from - 
that the price of the pure distillate—about 2000 francs per kilo at. beginning 
harvest—reached 9500 francs by the end of May. There remained nothing further for 
the Grasse firms to do in order to obtain material for distillation but to pay 
prices; and so it came about that the average price of the blossoms for the 19% 
season amounted to 10 francs to 12 francs per kilo, although the harvest was a 
factory one. , Be Oe 
It is quite evident that only eae consumers can invest in orange oe 
at 9500 francs. Indeed the greater part of the oil still obtainable ins-the? 
consists moreover of “well decorated” goods, which can sustain no ompa 
with our artificial orange blossom oil (neroli), which, as a consedupneg: s in 
great demand this year. © 
py F 
ae Ct. Reports April 1918, 144; April 1914, 144; 1919, 165. — W Americ. Tourn. 
