Glycerin, or Glycerol, is a trihydric alcohol obtained by hydrolysis of vegetable or animal fats, or fixed oils, and purified by distillation.

Properties:

Appearance .........................................................................................................................................

Effect of exposure to air............................................................

Color .......................................................................................................................

Miscibility and reaction:

Odor ................................................................

H20......................................................................................................

Taste ............................................................................

C2H5OH.........................................................................................

Digitalis In Flower (Digitalis Purpurea)

By permission of Burroughs Wellcome Co.

Digitalis In Flower (Digitalis Purpurea).

Incompatibilities: To some Glycerin add AgN03, T. S....................................................................................... K2MnO4, T. S..............................................................................

Glycerin forms an explosive compound with con. HNO3, or when triturated with any dry, quickly-oxidizing substances.

Aside from its great utility as a solvent, Glycerin is used chiefly for its emollient and extractive properties.

Official preparations are: Glycerinated Gelatin, Glycerin Suppositories, and Gly-cerites of Tannic Acid, Starch, Boroglycerin, Hydrastis, and Phenol.