British pharmacopoeia / published under the direction of the General Council of Medical Education and Registration of the United Kingdom, pursuant to the Medical Act, 1858.

Date:
1867
Catalogue details

Licence: Public Domain Mark

Credit: British pharmacopoeia / published under the direction of the General Council of Medical Education and Registration of the United Kingdom, pursuant to the Medical Act, 1858. Source: Wellcome Collection.

Provider: This material has been provided by King’s College London. The original may be consulted at King’s College London.

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    ACIDUM BENZOICUM. Benzoic Acid. HO,CuHs03 or HC71I502. A crystalline acid obtained from benzoin, and prepared by sublimation. Characters and Tests.—In light feathery crystalline plates and needles, which are flexible, nearly colourless, and have an agreeable aromatic odour, resembling that of benzoin. It is sparingly soluble in water, but is readily dissolved by rectified spirit; soluble also in solutions of the caustic alkalies and of lime, and it is precipitated from these on the addition of hydrochloric acid unless the solution be very dilute. It melts at 248°, and boils at 462°. When heated to the last-named temperature, it passes off in vapour leaving only a slight residue. Dose.—10 to 15 grains. Preparations. Ammonite Benzoas Tinctura Camphorte composita . 2 grains in 1 fluid ounce „ Opii Ammoniata . . 9 grains in 1 fluid ounce ACIDUM CABBOLICUM. Carbolic Acid. Synonym.—Phenic Acid. HO,C12H50 or HC6Hr,0. An acid obtained from coal-tar oil by fractional dis • tillation and subsequent purification. Characters and Tests.—In colourless aeicular crystals, which at a temperature of 95° become an oily liquid, having a strong odour and taste, resembling those of creasote, which it also resembles in many of its characters and properties. Its specific