) or E(Cinaphora), — White, erasticeat. masses or acres Of 4 tough con- | 
_M. p. 174 to 177°; d25 about 0.990; [@]pss0-+ 41 to + 42° (in a 10 per cent. 
; ion of alcohol of about 95 per cent. by volume). Slightly soluble in water, freely 
luble in ‘alcohol, chloroform, ether, carbon disulphide, petroleum. benzine, or in fixed 
; volatile oils. On gradually heating about 2 gm. of camphor, it sublimes without 
ca jonization and without leaving more than 0.05 per cent. of ash. Tests for absence 
Te) f moisture (a solution in petroleum benzine b oi must be ee) and of chlorinated 
pl roducts (Beilstein’ S test). ° 
Ate 
a 
| Oil of Caraway (Oleum Cari). — Ciotauvinee or ale yellow; dizo 0.900 to 0.910; 
B70 to + 80°; soluble in 8 vols. of 80 per cent. on carvone content, not 
“tess than 50 per cent. by volume (sulphite method). 
z 3a oy Oil of | caraway. 1s soluble in 2 to 10 vols. of 80 pee cent. alcohol. 
- on of Chenauods uh ft Olewm Chenopodii i “—. Colourless or pale Wowie 
bi Bee joss: to 0.980%); &p — 4. fo — 109; soluble. in 8 vols.. of 70 per cent. alcohol’). 
* tr 7) The figures give a for the aoe do not exclude Ds oils; ie limits of 0. 958 to 0. 985 would have 
Ri ee more correct. ’ 
ee =) For =) Aig 3 to 10 vols. of 70 per cent. alcohol are required. Ape © oa 
Pe Oil of Cinnamon, rectified hens Cassie). eS Vediowish. or Brawhish, becoming 
arker and thicker by age and exposure to the air. d=> 1.045 to 1.003; «+1 to—1°; | 
Beidehyde- content not less than 80 per cenit. _ (sulphite, method); tests for absence of 
, heavy metals and of rosin. . . 
= ah ‘a : 
Oil of Clove (Oleum Caryophylli). - — Caipilass to pe yellow, eccrine darker 
and thisker by age and exposure to the air. d=> 1.38 to 1.060; ap not exceeding — 1°10’); 
~ soluble in 2 vols. of 70 per cent. alcohol; cugenol content not less than 82 per cent. 
aa volume (assayed with potash solution of 4.5 per cent. strength); when shaking 1 c.c. 
the oil with 20 c. c. of hot distilled water, the latter must not show more than a 
oe: perceptible acid r see with litmus. Test for absence of paeror 
a j { 
é sg 1) aye own distillates, we have observed rotations up to — 1935/. 
~, 
ee. Oil of Coriander (Olewm coma” —Colourless or pale yellow; apse 0.863 to 
“085; ay +8 to + 13°; soluble in 3 vols. of 70 per cent. alcohol. 
OW of Cubeb (Oleum Cubebee). — Colourless or pale green to yellowish-green’); 
heen to 0.9259; ap — 20 to 40°); the ‘alcoholic solution is s neutral to litmus. 
. 1) Its colour is sometimes also bluish-green. ss 
ae A wy) An upper limit of 43° would be more correct. 
/ ae i 
Oi of- Dwarf ‘Pine (Oleum Pini Pumilionis). — ‘oto tiricas! or faintly pein 
ews to 0.869; no portion of the oil must distil below 170°). 
1) This requirement is too stringent; the initial boiling point required must be 165°, in order to make 
a Ben for the facts. 
Pa 
x 
_ Eucalyptole (Euealyptol). Rese foes b. p. 174 to 477°; Cuisedling point: not 
be clow 0°... ds 0.921 to 0.923; «)+0°; very slightly soluble in water, miscible with 
_ alcc o|, Pies ttotin: ether, glacial acetic acid, or fixed or volatile oils; identity reaction 
with phosphoric acid; tests for absence of saponifiable oils and ohenols, 
x Me y _ Nothing is stated as to the refractive index, missing also with pr Benealchyde it amounts, at 20°, to 1.454 
0 148, Epes ° our Bi recgetsy remarks. — 
