This section is from the book "Materia Medica Pharmacy, Pharmacology And Therapeutics", by W. Hale White. Also available from Amazon: Materia Medica Pharmacy, Pharmacology And Therapeutics..
In tropical countries.
In cakes, balls, or hollow, bottle-shaped pieces, externally brown to brownish-black, internally brownish or of lighter tint; very elastic.
Insoluble in water, diluted acids, or diluted solutions of alkalies; soluble in Chloroform, Carbon Disulphide, Oil of Turpentine, Benzin, and Benzol. When heated to about 257o F.; 125o C, it melts, remaining soft and adhesive after cooling. Odor faint, peculiar; nearly tasteless.
1) A solid Hydrocarbon, C20H32. (2) Fat. (3) Volatile oil. (4) Coloring matters. On combining it with 10 per cent. of Sulphur, Vulcanized Rubber is obtained; with 50 per cent., and hardening by pressure Vulcanite or Ebonite is produced.
Uses of India-Rubber.
India-rubber is used for making plasters, bougies, pessaries, and syringes.