Notes for students in chemistry : being a syllabus of chemistry compiled mainly from the manuals of Fownes-Watts, Miller, Wurz, and Schorlemmer / by Albert James Bernays.

  • Albert Bernays
Date:
1878
Catalogue details

Licence: Public Domain Mark

Credit: Notes for students in chemistry : being a syllabus of chemistry compiled mainly from the manuals of Fownes-Watts, Miller, Wurz, and Schorlemmer / by Albert James Bernays. Source: Wellcome Collection.

    118/168 (page 106)
    on polarized light. In the grapes of the Vosges, and of the Upper Ehiue. Artiflciall}' bv boiling dibrom-succinic acid C,H„Br„(COOH). with 2Ag(0H). ; it is, however, mixed with inactive tartaric acid. V, Pentacarbon Cj group. Pentane C^Hjo series. Pentane or ethyl propyl C^H,, = CoHs.CjH^. In petroleum. A liquid of sp. gr. 0.6, boiling at 3 7°C. [Also isopentaxe.] No less than eight pentyl alcohols. Butyl carbinol CHo.CHo. CH,CH3CH,0Ii is tbe normal primarv pentj'l alcohol. From normal butyl alcohol, a. into CHo.CH„.CH...CH3.CN; h. into CH,.CH2 CH2.CH3.COOH; c. into valeric aldehyde CH,.CH,. CH0.CH3 COH, a limpid, praigent fluid, of sp. gr. 0.82, boiling at 96° 0.; and d. into the alcohol by nasceut hydrogen. Boils at 135° C. By na.sceut oxvgen into propyl-acetic or normal valeric acid CjHg.COOH, the 'fifth of the fatty acids. Oily liquid, of sp. gr. o.gi7 ; boils at 185° C. Smells like butyric acid. Iso- butyl carbinol CH.(CH3)„.(C.>HjOH) is the common amylic alcohol of fermentation, known as fousel-oil. Oily, colorless, mobile liquid, of peculiar odor, and burning acrid taste; sp. gr. 0.825 ; boils at 130° C. Little soluble in water; veiy soluble ill alcohol and ether. Exerts rotntoiy action on polarized light. Burns with blue flame. By platinum black or nasceut Oxygen into iso-valeric acid CIIo.OH(CH3)..COOH, or common valerianic acid. In root of Valerian, Angelica, the berries of Viburnum Opulus, &c. Colorless liquiil, of sp. gr. 0.947, boiling at 175° C. Odor of valerian. Burns when inflamed. Iso-valcrates of zinc and bisnuitli used in medicine. Iso-pentyl chloride is an inflammalile liquid. Iso-pentyl iodide CH.((JH3)2.CoH.,I, hesited to 290° C. in sealed tubes, yields decane or diamyl CsHn.CjH,,. Zixc-amtlide (CsH,,)™ Zn formed at same time, changed by OH^ into OZu + 2 mols. of pentane. Amyl-ether O5H,,.0.0,11,,; colorless oily liquid. Amyl acetate, fragrant liquid, with odor of Jargonelle pcnrs. Iso-pentene or amylene 0,11,„, is a colorles.s. mobile liquid, obtained from the i.so-butyl alcohol l_iy distilling with CLZn, or PjOj. Iso-pentene glycol CJ-I|„(OH).,. is the only amylene glycol known. Prepai'cd from the acetate, like the other glycols (p'. 96), by distilling with Ba(OH).,,. Iso-pentenyl alcohol is amyl glycerin (C,,H,,)(OH).. Dense, colorless liipiid, of aromatic taste. Soluble in water. [PyRo-TAUTAiuc ACID or niethyl-succinic acid CH3.CH. COOH.CH..COOH, by dry distillation of tartaric acid, and by nasceut H._, upon itaconic, citraconic, and mesaconic acids. Small, rhonibic pri.sms, by loss of wat-er into tartaric anhydride (p. icO- Uric acid and its derivatives. Uric acid C^H^NjOj, a white