lO-i 



DICTIONAKY or THE ACTIVE PlilNCIPLES OK PLANTS. 



appeiiiiince ; M.P. 238°-240° with decomposition. Greeu fluorescence in 

 sulpliiiric acid solution ; sternutatory. 



Soluble ill alcohol and ether readily, sparingly in petroleum ether. 

 Reactions : 



Alliidine hydrates j 



,, carbonates >• dissolve, but pp. on warming. 

 Ammonia J 



Colour tests : 



Concentrated sulphuric acid, yellow, changing to blood-red, then violet. 

 (Concentrated nitric acid, no colour. 

 (r/-J ) SABADININE A., C.^Hj^NOs (Merck) ; hair-like crystals from ether ; 

 no (letiiiite M.P. ; non-sternutatory. 



Soluble in water, alcohol, chloroform, and difficultly in ether. 

 Reactions : 



Alkaline hydrates ') 



„ carbonates [-as above. 

 Ammonia J 



Concentrated sulphuric acid, persistent blood-red. 

 ((■) SABATRINE A. ; soluble in 40 parts cold water (DragendorfE), and in 

 ether or ehloioform. 



Removed from alkaline solutions by chloroform, and in traces by 

 petroleum ether. 

 Reactions: ) o , ,■,,• 

 Colour tests : i ^'^ S'll'-'i'^'"'"^- 

 (,/■) JERVIC ACID, from Jervine. 



(;/) VERATROIDINE A., C5,H,8N.,0,6 (Bullock) ; or C,,,H,:,XO,, (Pehkschen). 

 Crvstalline ; M.P. about 149° ; salts amorphous ; optically inactive. 



Solubility at 22 'C ; alcohol dissolves in almost all proportions; 1 in 5'9 

 chliiioforra, 11 absolute ether, 13 benzene: not soluble in petroleum ether. 

 Precipitated by mercuric-potassic iodide (cloud at 1 in ,"i,0()0), and by 

 most ulk;iloiil precipitants. 

 Colour tests : 



Concentrated sulphuric acid, yellow, becoming successively orange and 



red, with green Huorescerice. 

 Concentrated sulphuric acid and sugar, brown? (violet, Muter). 



,, „ „ with nitric acid, gradually cherry-red. 



„ nitric acid alone, transient rose colour, then vellow. 



Hydrochloric acid 11 per cent., rose colour. 

 Frilhde's solution, graiually cherry-red. 



(h) COUERBE'S VERATRINE A.. C.,,H,,NO,, ; amor[)houa fvarnish) : M.P. 

 IHO" ; not fluorescent. Salts crystalline. Nitrate insolublo. On saponi- 

 fication, a base Verine, C.,,ITj,,NOs, and Veratric acid (dimetbylproto- 

 catechuic acid) are obtained. 



('oncentrated sulphuric acid, reaction similar to that with (a). 

 (/) VERATRALBINE A., C.jaH,;,NO;i ; amorphous; non-sternutatory. 

 Fluorescent green solntion.s. 



Precipitated by sodium hvdrate and phospho-molybdic acid (cloud at 



1 in 3,5(10). 

 Colours with sulphuric acid as with («)• 



(/) PSEUDOJERVINE A,, C,,j,H,,,XO,.j. Pehkschen (Vemtrum album eave 

 •(KK; per cent, only) ; large rhombic crystals, blackened at 2.J9° C. f.30()'- 

 307 , Salzberger) ; optically inactive. 



Soluble in 184 parts absolute alcohol, 4 chloroform, 372 benzene, 10 

 petroleum ether, 1.021 absoln'e ether. 



Precipitated by phospho-molybdic arid : cloud at 1 in 10,000. 



Mercuric-potassic iodide ; cloud at 1 in li.OOO. 

 Xo colours with acids when jiure, but if admixed with trace of Jervine, 

 colorations due to latter are obtained. 



(/.:) RUBIJERVINE A., C,,H„XO„-|-H,0 (Salzberger) ; M.P. 24()'-246°. 

 (Joneentrated sulphuric acid, red. 



(/) PROTOVERATRINE A., C3.B„X0„ (Salzberger): crystallizes in micro- 

 sconic four-sided plates ; M.P. 24.'j'-250^ ; sternutatory ; very poisonous. 

 Soluble with difficulty in boiling alcohol or in chloroform, slightly in 

 hot ether ; insoluble in cold ether, benzene, petroleum ether. 

 Precipitants : 



Alkaline hydrates. Phospho-molybdic acid. 



Ammonia. ., tungstic acid. 



[Not tannic acid.]* Cadmium-potassic iodide.* 



Picric acid. Mercuric-potassic iodide. 



[Not platinum chloride.] TNot mercuric chloride.] 



(iold chloride. 

 Colour tests : 

 * Concentrated sulphuric acid, dissolves slowly with gradual green, 

 then blue, coloration ; violet after some hours. 

 Concentrated sulphuric acid with sugar, greenish turning to brown. 

 (H() PROTOVERATRIDIflE A., C^eHj^XOs (Salzberger); crystallizes in 

 ■ See Protoveratridine. 



