Acid Caprylic

Pressure, kPa Caproic acid Caprylic acid Cap tic acid Laurie acid Myristic acid Palmitic acid Stearic acid Oleic acid Linoleic acid... 

Caprylic acid, see Octanoic acid Caprylic alcohol, see 1-Octanol Carbitol, see Diethylene glycol monoethyl ether Carbolic acid, see Phenol Carbon disulphide Carbon monoxide Carbon oxysulphide, see Carbonyl sulphide... 

Raney nickel desulfurization has been applied especially to the synthesis of different kinds of amino acids. a-Amino acids have been prepared by the Strecker synthesis of substituted thiophenealdehydes, followed by desulfurization of the thiophene a-amino acids. a-Amino-n-enantic acid, a-amino-n-caprylic acid, and norleucin have been obtained in about 50% yield from the appropriate thiophene aldehydes. From the desulfurization of thiophene -amino acids, obtained from the reaction of thiophenealdehydes with malonic acid in ammonia, aliphatic j8-amino acids, isolated as acetates, have been obtained in high yields. The desulfurization of 3-nitrothiophenes, such as (232), in ammonia leads to y-substituted amino acids (233). ... 

Capron fett, n, caproin. sSure /. caproie acid. Caprylsaure, /. caprylic acid. 

Octanal has been prepared by the reduction of caprylonitrile with hydrogen chloride and stannous chloride,2 by the passage of a mixture of caprylic acid and formic acid over titanium dioxide3 or manganous oxide,4 by dehydrogenation of 1-octanol over copper,6 and by oxidation of 1-octanol.6... 

Calcium hydride (CaH2), 12 Caprylic acid, 4,7-dioxo-, methyl ester [Octanoic acid, 4,7-dioxo-, methyl... 

Barsky also used as a plasticizer, a compn prepd by heating a mixt of pelargonic acid 80, caprylic acid 15, and heptoic acid 5%, with a mixt of diethyleneglycol and triethyleneglycol in equal proportions... 

A mixture of methyl orthosilicate 58 (15.2 g, 0.1 mol) and caprylic acid (18.8 g) is heated under reflux for 4 h. The temperature of the boiling mixture drops grad-... 

Based on a study of the reaction of diethylstannyl dicaprylate with some carboxylic acids (oleic, caprylic, caproic add, etc.) it was suggested that oleic acid tends to displace caprylic acid from the inner sphere of a carboxylate-type complex forming a sufficiently stable complex with tin. The spectrum of the initial diethylstannyl dicaprylate revealed a band at 1600 cm-1 which is intermediate between 1570 and 1720 cm-1. The latter bands are associated with vibrations of bonds... 

Soaps are composed of sodium salts of various fatty acids. These acids include those with the general structure CH3-(CH2) -COOH where n = 6 (caprylic acid), 8 (capric acid), 10 (lauric acid), 12 (myristic acid), 14 (palmitic acid), and 16 (stearic acid). Oleic acid (CH3-(CH2)7-CH=CH-(CH2)7-COOH) and linoleic acid (CH3-(CH2)4-CH=CH- H2-CH=CH-(CH2)7-COOH) are also common soap ingredients. These sodium salts readily dissolve in water, but other metal ions such as Ca2+ and Mg2+ form precipitates with the fatty acid anions. For example, the dissolution of the sodium salt of lauric acid and the subsequent formation of a precipitate of the lauric acid anion with calcium ion is given by... 

Psoralen Cell cultures, roots, stems, leaves Caprylic acid ... 

Caproleic acid, physical properties, 5 3 It Caprylaldehyde. See Octanal Caprylic acid... 

Data on the adsorption of caprylic acid on a hydrophobic (mercury) surface in terms of a double logarithmic plot of Eq. (4.13) Panel a) compares the experimental values with a theoretical Langmuir isotherm, using the same values for the adsorption constant B for both curves. Panel b) shows that the adsorption process can be described by introducing the parameter a, which accounts for lateral interaction in the adsorption layer. Eq. (4.13) postulates a linear relation between the ordinate [= log [0/ 1 - 0)] - 2a 0 / (In 10)] and the abscissa (log c). If the correct value for a is inserted, a straight line results. For caprylic acid at pH 4, a value of a = 1.5 gives the best fit. 

Fig. 4.8 compares data on the adsorption of lauric acid (C12) and caprylic acid (Cs) at a hydrophobic surface (mercury) as a function of the total bulk concentration for different pH-values. As is to be expected the molecular species becomes adsorbed at much lower concentrations than the carboxylate anions. The latter cannot penetrate into the adsorption layer without being accompanied by positively charged counterions (Na+). As was shown in Fig. 4.4, the adsorption data of pH = 4 can be plotted in the form of a Frumkin (FFG) equation. Fig. 4.9 compares the adsorption of fatty acids on a hydrophobic model surface (Hg) with that of the adsorption on Y-AI2O3. 

Comparison of the adsorption of lauric and caprylic acid as a function of the total bulk concentration. At pH 4, this concentration is made up predominantly of fatty add molecules and at pH 9 predominantly by their conjugate bases. ( ) Points at equilibrium (d6/dt = 0). ( ) Points at which the equilibrium is not yet attained. 

Caprylic acid Oleic acid 2.0 Malic acid... 

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