ACID 



is 2 atoms of replaceable hydrogen. A., Dibrom- 

 gallic, A., Dibromogallic, A., Dibromotrioxyben- 

 zoic. Same as Gallobromol. A., Dichloracetic, CH- 

 . COjH, produced when chloral is heated with CNK 

 or potassium ferrocyanid and water. It occurs as a caus- 

 , colorless liquid at ordinary temperature, but crystal- 

 s at a low temperature. Sp. gr. 1. 522 at 15 C; 

 Is at 189 — 191° C. ; soluble in water and alcohol, 

 used as an escharotic in skin diseases. A., 

 _ talic, a fixed acid obtained by Morin from the 

 ves of Digitalis purpurea, L., occurring as white 

 es of acid taste and reaction and peculiar insipid 

 e, very easily soluble in alcohol and water, less 

 uble in ether. A., Dihydrated, one which is corn- 

 el with 2 molecules of water. A., Dihydric. 

 e as A., Diatomic. A., Dihydroxy, A., Dioxy, 

 ds formed by replacing 2 of the hydrogen atoms of 

 acid radicle by 2 molecules of hydroxyl. A., 

 -iodosalicylic, C 7 H 4 I. 2 3 , a white crystalline 

 wder, soluble in alcohol and ether, slightly soluble 

 water, and melting at 220°-230° C. It is antipy- 

 ic, analgesic, and antiseptic, and is used in rheuma- 

 and gout. Dose, 8-20 grains three or four times 

 ily in wafers. Maximum dose, 30 grains. A., 

 iiodparaphenolsulfonic. See Sozoiodol (Illus. 

 t.). A., Dimethylarsenic, As(CH 3 ) 2 OOH, a 

 stance formed by the oxidation of cacodyl, occur- 

 in large permanent prisms, odorless and slightly 

 It is soluble in water and alcohol and melts at 

 ' C. It is considered not to be toxic, and because 

 its solubility is easily absorbed. Syn. , Cacodylic acid ; 

 kodylic acid. A., Dimethylprotocatechuic. See 

 , Veratric( Illus. Diet. ). A., Dioxybenzoic. See ,4., 

 ■otocatechuic (Illus. Diet.). A., Dioxyphenylacetic. 

 A., Homogentisinic. A., Ditartaric. SeeA.,Tar- 

 ■alic. A., Ditartrylic. SeeA.,Tartralic. A., Dithi- 

 lorsalicylic, SC 6 H . CI. OH . COOH, a reddish- 

 low powder obtained by heating a mixture of salicylic 

 " and sulfur chlorid to 140 C. It is recommended 

 an antiseptic. A., Dithiosalicylic, C u H 10 SjO 6 , 

 ined from salicylic acid and sulfur chlorid heated 

 150° C, and existing in two modifications differing 

 the solubility of their salts. It is an antiseptic, an- 

 esic, antipyretic yellowish-gray powder, partly solu- 

 in water. Its lithium and sodium salts only are 

 in medicine as substitutes for salicylic acid. A., 

 acic, A., Draconic, A., Draconylic. See A., 

 isic (Illus. Diet.). A., Elaic. See A., Elaidic 

 lus. Diet.). A., Elaiodic. See A., Ricinoleic{ Illus. 

 (BL). A., Eleodic, A., Elaeodic. See A.,Ricinoleic 

 lus. Diet.). A., Ergotic or Ergotinic, a volatile 

 principle obtained from ergot of rye, occurring as a 

 yellowish-brown, hygroscopic powder, soluble in water 

 and dilute alcohol. It is oxytocic. A., Erythric. 1. 

 Same as Erythrin (Illus. Diet.). 2. Brugnatelli's 



Kime for alloxan. A., Ethanethiolic. See A., Thio- 

 A., Ethidenelactic. See A., Lactic (Illus. 

 let). A., Ethmethacetic. See A., Methylethvlacetic. 

 A., Ethylacetic. See A., Butyric (Illus. Diet.). A., 

 Ethylenelactic, CH 2 (OH) . CH 2 . CO ? H = C,H 6 ? , 

 an acid isomeric with ethidene lactic acid or the lactic 

 acid of fermentation, is obtained from acrylic acid by 

 heating with aqueous sodium hydroxid to ioo° C. and 

 in various other ways. It is a thick uncrystallizable 

 p ; on heating it loses water and is converted into 

 lie acid. Syn., Hydr acrylic acid; 3-Oxypropionic 

 *w; 3-Hydroxypropionic acid. A., Ethylene- 

 phenylhydrazinsuccinic, C 20 H 22 N t O 6 , an acid ob- 

 i from an alcoholic solution of ethylenephenyl- 



£1 and succinic anhydrid by boiling. It occurs 

 ar crystals soluble in water. It is used as an 



ACID 



antipyretic. A., Ethylidenelactic, lactic acid. A., 

 Excretolic, Marcet's name for an oily body found 

 in human feces. A. of Fat, CrelTs name for an acid 

 distilled from fat, and subsequently proved to be acetic 

 acid. A., Fellanic, C^H^Og -f 3H 2 0, an acid ob- 

 tained by Berzelius from putrescent bile by action of 

 hydrochloric acid. A., Fellic, C^H^C^, a crystalline 

 cholalic acid obtained by Schotten from human bile ; it is 

 due to admixture with this acid that cholalic acid from 

 human bile differs in appearance from that obtained 

 from other sources. A., Fellinic. Same as A., Fellic. 

 A., Ferrihydrocyanic, H 3 F.,Cv 6 , lustrous, brownish- 

 green needles, gradually decomposing in the air, 

 formed from the decomposition of lead ferricyanid by- 

 means of dilute sulfuric acid. It is soluble in water 

 and alcohol. Syn., A. , Ferricyanic ; Hydroferricyanic 

 acid ; Hydrogen cyanid ; Hydrofcrricyanhydric acid. 

 A., Ferrohydrocyanic, H 4 F 2 Cy 6 , a white crystalline 

 powder turning blue in moist air ; soluble in water. It is 

 the product of potassium ferrocyanid and dilute hydro- 

 chloric acid. Syn., A. Ferrocyanic ; Hydrogen ferrocy- 

 anid. A., Ferulaic. See A., Fcrulic (Illus. Diet.). 

 A., Formylic, formic acid. A., Frangulic, A., Fran- 

 gulinic, C u H g O i -f- I^H 2 0, obtained from frangulin 

 by boiling with dilute acids. It occurs as yellowish- 

 brown needles or tablets, soluble in alcohol, melting 

 at 252°-254° C. It is used as a laxative. Syn., .,4. 

 Azorniuic. A., Fumaric, C 4 H 4 4 , a dibasic acid ob- 

 tained from Fumaria officinalis, L., several species of 

 fungi and other plants, and also from decomposing 

 malic acid. It forms small needles, or scales, soluble 

 in water, subliming at 200 C. It is a feeble tonic. Syn. , 

 Allomaleic acid ; Boletic acid ; Glaucic acid ; Lichenic 

 acid ; Paramaleic acid ; Pkenaconic acid. A., Fur- 

 furacrylic, C 7 H 6 3 , a crystalline acid obtained by 

 oxidation of furfuracrolein and isomeric with salicylic 

 acid ; it crystallizes from hot water in long brittle 

 needles melting at 135 C. A., Furfuracryluric, an 

 acid excreted in the urine and formed in the body by 

 the conjugation of glycocoll with furfuracrylic acid. 

 A., Gadic, A., Gadinic, C 2g H 58 4 , a peculiar fatty 

 acid obtained by Luck (1857) from turbid cod-liver 

 oil. It forms crystals melting at 6o°-63° C. A., 

 Gaeidic, A., Gaeidinic, C^H^O.,, a monobasic acid 

 isomeric with hypogeic acid and obtained from it by 

 warming with nitric acid, occurring in colorless crys- 

 tals melting at 38 C. Soluble in alcohol and in 

 ether, insoluble in water. A., Gallamic, an acid ob- 

 tained from tannin by the action of a mixture of am- 

 monia and ammonium sulfite. A., Gallotannic, the 

 tannin of nutgalls. A. of Galls, gallic acid. A., 

 Gaultheric. See Methyl Salicylate. A., Gelsemic, 

 a fluorescent acid obtained by v. Wormsley from Getse- 

 mium sempervirens ; it occurs in tasteless, odorless, 

 acicular crystals, soluble in 100 parts of cold water 

 and readily in warm water, ether, and chloroform. A., 

 Glucuronic. See A., Glycuronic (Illus. Diet.). 

 A., Glutamic, A., Glutaminic, CH 2 .CH 2 .CH- 

 (XH 2 ) . (COOH)j, a dibasic acid produced by boiling 

 albuminous substances with dilute mineral acids. It 

 forms small shining crystals soluble with difficulty in 

 cold water, more readily soluble in boiling water, but 

 separating out on cooling, melting at 193 C. Syn., 

 Amidoglutaric acid. A., Glutanic. See A., Glu- 

 tamic. A., Glycerinocarbolic, an antiseptic and 

 disinfectant substance obtained from carbolic acid and 

 glycerin. It is soluble in water and alcohol. A., 

 Glycerinophosphoric, A., Glycerinphosphoric, 

 C,H 9 P0 6 , a dibasic acid in combination with the fatty 

 acids and cholin as lecithin in the yolk of eggs, in 

 bile, in the brain, and in the nervous tissue. It is 

 formed by mixing glycerin with metaphosphoric acid. 



