14 



ALCOHOL. 



ALUMEN EXSICCATUM. 



ALCOHOL. 



Alcohol (C2HsOH) is obtained by the distillation of a fermented amylaceous 

 substance. The official Alcohol contains less than 8% by weight of water. 



Properties: 

 Appearance .. 



Color .. 



Odor 

 Taste 



Volatility 



Inflammability 



Miscibility, H 2 O 



Incompatibilities: Mix Alcohol with 



Albumin, T. S .............................................. HgCl 2 , T. S .................................................... K 2 MnO 4 , T. S ........................................... 



Alcohol is an excellent preservative, a good antiferment, and a fair antiseptic. 

 Its use internally has been largely abandoned, owing to its toxicity, and to its possess- 

 ing no definite physiological indications. 



Two other alcohols are official : 



Alcohol Dehydratum, containing not more than \% H 2 O by weight. 



Alcohol Dilutum, containing about 51% H^O by volume. 



ALOE. 



Aloes is the inspissated juice obtained from the leaves of several species of Aloe, 

 a West Indies plant of the family Liliacece. Three varieties are found in commerce: 

 the Socatrine, the Curagao, and the Cape. 



Properties of the ............................................................. -variety : 



Appearance 



Color 



Odor .. 



Taste _ 



Solubility, H 2 O 



Color of Solution 



Consult U. S. P. IX. to determine source of. your sample. 



Aloinum is an active principle derived from Aloes. Dose, 0.015 



Aloes is a rather sharp purgative, acting chiefly on the distal portion of the large 

 bowel. Average dose, 0.25 Gm. ; this will cause severe griping in a susceptible 

 individual. 



Aloes is an ingredient in each of the following official preparations: Piluhe 

 Aloes, Pilulse Rhei Composite, Tinctura Aloes, and Tinctura Benzoini Composita. 



ALUMEN EXSICCATUM. 



Burnt Alum is prepared by subjecting ammonium alum or potassium alum to a 

 temperature not exceeding 200 C, until the water of crystallization has been expelled. 

 When recently prepared it should contain not less than 96.5% A1NH 4 (or K) (504)2. 



Properties: 



Appearance 

 Color .. 



Odor 



Taste .. 



Solubility : 



Cold H 2 O 

 Hot H 2 O 



C 2 H r ,OH 



