Catalogue of the collections / Comp. by E.M. Holmes.

  • Pharmaceutical Society of Great Britain. Museum
Date:
1878
Catalogue details

Licence: Public Domain Mark

Credit: Catalogue of the collections / Comp. by E.M. Holmes. Source: Wellcome Collection.

Provider: This material has been provided by The University of Leeds Library. The original may be consulted at The University of Leeds Library.

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    Hydrocarbons. 401. Cymene. C10 H14. (Cymol, Camphogen, Hydride of Thymyi, Hydride of Cymyl.) a. Prepared from the volatile of oil of cummin. b. Prepared from coal tar. CINNAMENE SERIES. OH2ll-s. 402. Cinnamene. 08 H8. (Styrolene, Cinnamol, Styrol.) a. Colourless oily liquid. b. Colourless refractive solid. Note.—Specimen b was prepared from liquid storax; it has assumed the solid appearance of meta-cinnamexie. NAPHTHALENE SERIES. CaH2n_i8. 403. Naphthalene. C10 H8. a. Micaceous crystalline plates. Note.—This specimen was obtained from coal tar, 404. Naphthalene bichloride. C10 Ha Cl3. a. Crystallized. ANTHRACENE SERIES. C]1H2n,_i8 405. Anthracene. C14 H10. a. Crude, of a brownish colour, b. Purified, in white pearly scales. Note.—Specimen 6 has become tinged with purple from exposure to light. 406. Anthraquinone. C14 H8 02. a. In yellowish acicular crystals. b. In slender crystals. Note.—Speeimen b was prepared in the laboratory of the Soeiety by Mr. E. Kichardson. MONATOMIC ALCOHOLS AND ETHERS. ETHYLIC SERIES. C Ha,-i. 407. Methyl Hydrate. CHs(HO). a. Crude. b. Purified (Dr. Hasting's pyroxylic spirit). c. Ditto, by Eschwege's process. d. Methylated ethylic alcohol. Note.—For manufacture of pyroxylic spirit, see P. J. [1], vol. x., pp. 31, G9,135,196, 300 ; vol. ix., p. 455 ; [2] , vol. iv., p. 233 ; for Eschwege's process, see P. J. [2], vol. vii., p. 175. 408. Methyl Iodide. C H31. a. Reddish volatile liquid.