Liquor Thymolis Compositus, B.P.C. Compound Solution of Thymol.

Botanical name: 

Format explanation

Synonyms.—Liquor Antisepticus; Antiseptic Solution.

Related entry: Thymol

Boric Acid 2.28 | 200 grains
Benzoic Acid 0.11 | 10 grains
Thymol 0.11 | 10 grains
Eucalyptol 0.03 | 3 minims
Spirit of Peppermint 0.52 | 50 minims
Spirit of Gaultheria 0.52 | 50 minims
Oil of Thyme 0.01 | 1 minim
Alcohol 25.00 | 5 ounces
Purified Talc, or Kaolin, a sufficient quantity.
Distilled Water to 100.00 | to 20 ounces

Dissolve the boric acid in 70 (14 fluid ounces) of the water, and add the benzoic acid previously dissolved in 15 (3 fluid ounces) of the alcohol; then dissolve the thymol, eucalyptol, and volatile oil in the spirits; thoroughly incorporate the kaolin or talc, and add the solution of acids, with constant trituration. Allow the mixture to stand, with occasional agitation, for forty eight hours, then filter, add the remainder of the alcohol to the filtrate, and make up to the required volume with distilled water.

Dose.—2 to 8 mils (½ to 2 fluid drachms).


The British Pharmaceutical Codex, 1911, was published by direction of the Council of the Pharmaceutical Society of Great Britain.