Acidum Aceticum. Acetic Acid. A liquid composed of 36 per cent., by weight, of absolute Acetic Acid (Hc2h3o2=59.86) and 64 per cent. of water.


By distilling Sodium Acetate with Sulphuric Acid, NaC2H3O2 +H2So4=Hc2h3o2+NaHso4. The Acetic Acid distils out, and is obtained by crystallization.


A clear, colorless liquid, having a strong, vinegar-like odor, a purely acid taste, and a strongly acid reaction. Sp. gr., about 1.048.


Lead and copper, sulphuric, sulphurous and hydrochloric acids.

Acetic Acid is used to make the Aceta, and in several preparations.


Acidum Aceticum Dilutum

Diluted Acetic Acid. Acetic Acid, 100; distilled water, 500. Sp. gr., about 1.008. It contains 6 per cent., by weight, of absolute Acetic Acid.

Dose, 1 to 4 fl. dr.; 4. to 15. c.c.