212 



Triatomic Alcohols. 



452. GUAIACOL. C 7 H 6 (HO) 2 . 



a. Brownish oily liquid. 



Note. For method of preparation, see P. J. (3) vol. iii., p. 25. This 

 specimen was presented by Messrs. Hopkin and Williams. 



453. CREASOL. C 8 H 8 (H 0) 2 . (Creosote, Oil of Tar.) 



a. Nearly colourless oily liquid. 



TRIATOMIC ALCOHOLS AND ETHERS. 

 METHENYL. SERIES. C n H to t . 



454. METHENTL BROMIDE. C H Br 3 (Bromoform.) 



a. Reddish volatile heav.y liquid. 



455. METHENTL CHLORIDE. C H C1 3 . (Chloroform, Perehloride of 



Formyl.) 

 a. Volatile colourless heavy liquid. 



456. METHENTL IODIDE. CH 3 1. (lodoform.) 



a. Yellow crystalline scales. 



457. PROPENTL HTDRATB. C 3 H 5 (HO) 3 . (Glycerine, Propenyl Alcohol.) 



a. Pure. (Price's Patent Glycerine.) 



b. Ditto. (Crystallized Glycerine.) 



Note. Specimen b was solid when received, but has become fluid by 

 keeping. 



458. PROPENTL TRILAURATE. C 3 H 5 (C 12 H 24 2 ) 3 . (Laurostearin.) 



a. Green semi-solid fat. (Oil of Bay.) 



Note. This substance contains other propenyl compounds besides 

 the trilaurate. 



459. PROPENTL TEIMTRISTICATB. C 3 H 5 (C W H 27 2 ) 3 . (Myristin.) 



a. White crystalline solid. 



Note. This specimen was obtained from the expressed oil of nutmegs. 

 It occurs also in Dika bread, and several vegetable oils and fats. See 

 Catalogue, p. 23, No. 128. 



460. PROPENTL TRIOLEATE. C 3 H 5 (C 18 H 33 2 ) 3 . (Olein.) 



a. Almond Oil. 

 6. Olive oil. 



c. Pure Olein. 



Note. Almond oil consists almost entirely of pure olein ; the fluid 

 part of olive oil at 32 F. is the same, the solid part consisting chiefly 

 of tripalmitin. 



461. PROPENTL TRIPALMITATE. C 3 H 5 (C 16 H 31 2 ) 3 . (Palmitin.) 



a. Japan wax. 



Note. This substance consists chiefly of tripalmitin. See Palmitic 

 Acid. 



