ACID 



26 



ACID 



A., Chamber, crude dilute sulfuric acid found in the 

 lead chambers in the formation of sulfuric acid from 

 sulfur. A. -characteristic, the replaceable hydro- 

 gen and the elements immediately bound to it in the 

 molecule of an acid, as the CO. OH of organic acids. 

 A., ChelidarrAc. Same as A., Chelidonamic. A., 

 Chelidonamic, C 7 H.N0 6 , an acid derived from chel- 

 idonic acid by heating with ammonia. Syn., Cheli- 

 damic acid; Ammonclielidonic acid. A., Chelidoninic, 

 an acid isolated from Chelidonium majus by Zwenger, 

 but believed to be identical with succinic acid. A., 

 Chenocholalic, A., Chenocholic, C 27 H 44 4 , a yellow- 

 ish powder or amorphous mass, soluble in alcohol and 

 ether, obtained from taurochenocholic acid of goose-bile 

 by boiling with baryta-water. A., Chenotaurocholic, 

 C 29 H 49 NS0 6 , an indistinctly crystalline acid found in 

 goose-bile, of which it is the most important biliary 

 acid ; it is soluble in water and alcohol. Syn., Tauro- 

 chenocholic acid. A., Chinic. See A., Quinic (Illus. 

 Diet.). A., Chinovic. See A., Quinovic. A., Chloro- 

 phenic. See Chlorophenol (Illus. Diet.). A., Chloro- 

 phenisic. See Trichlorphenol (Illus. Diet.). A.,Chlor- 

 ophenylic, A., Chlorphenylic. See Chlorphaiol 

 (Illus. Diet.). A., Chlorrhodic, A., Chlorrhodinic, 

 a compound of rhodium sesquioxid with chlorin ; it is 

 said to be formed in the decomposition of pus. A., 

 Choleic, C 24 H 40 O 41 (Lassar-Cohn), a cholalic acid 

 named by Latschinoff which always occurs in small 

 amount in ox-bile, and is probably identical with des- 

 oxycholalic acid. On oxidation choleic acid first yields 

 dehydrocholeic acid, C 24 H 34 4 , and afterward cholanic 

 acid. A., Choleinic, I. C. 25 H 42 4 , an acid found 

 by Latschinoff in small amount in ox-bile, forming 

 needles or tablets. 2. Taurocholic acid. A., Cho- 

 lesteric, C 12 H 16 7 , an acid obtained by Tappeiner 

 from the oxidation of cholalic acid with potassium bi- 

 chromate and sulfuric acid. This must not be con- 

 founded with cholesterinic acid. A., Cholesterinic, 

 C 8 H 10 O 5 , a dibasic acid obtained from cholesterin and 

 from cholalic acid by action of nitric acid ; it occurs as a 

 gum-like, yellow, hygroscopic body with an acrid taste. 

 A., Cholic. (See Illus. Diet.) 2. See A., Glycocholic 

 (Illus. Diet.). A., Cholodinic, C 24 H 38 4 , obtained 

 from the dehydration of cholic acid ; it occurs as a resi- 

 nous mass, devoid of color, soluble in alcohol, insoluble 

 in water. A., Choloidanic, C 16 H 24 7 , obtained from 

 cholalic acid by action of nitric acid with heat ; it forms 

 filiform prisms almost insoluble in cold water. A., 

 Choloidic, C 24 H 38 4 . See A., Choloidinic (Illus. 

 Diet.). A., Chondroidinsulfuric. See A., Chon- 

 droitinsulfuric. A., Chondroitic. See A., Chon- 

 droitinsulfuric. A., Chondroitinsulfuric, C 18 H 27 - 

 NSO n (Schmiedeberg), occurs, according to Morner, 

 in all varieties of cartilage and in the inner coats of 

 the arteries ; it has also been found in amyloid livers. 

 It appears as a white amorphous powder, easily solu- 

 ble in water, forming an acid solution. Syn., Chon- 

 droitic acid ; Ckondroitinsulfuric acid ; Chondrose ; 

 Chondroglycose ; Ckondroglucose. A., Chrysinic. See 

 Chrysin (Illus. Diet.). A., Chrysophanic, Medi- 

 cinal. See Chrysarobin (Illus. Diet.). A., Cilianic, 

 C 20 H 30 O 10 , an oxidation product of cholalic acid. A., 

 Cimicic, C,.II„O r a monobasic acid forming yellow 

 crystals obtained from a fetid oil produced from the bug 

 Rkaphigastes punctipennis, Lap. A., Cobric, Myth's 

 name for a very poisonous crystalline substance he 

 claims to have separated from oobm venom. A., 

 Colombic. See A., Calumbic. A., Colopholic, A., 

 Colophonic, an acid obtained from turpentine ; it is 

 used in plasters. A., Columbic. See A., Or/uw/i/e. 

 A., Comosic, an acid obtained from the bulbs of Mus- 

 cart comosum and believed to have physiologic prop- 



erties similar to saponin. A., Copahuvic. See A.. 

 Copaivic. A., Copaivic, C 20 H 30 O 2 , an almost color 

 less, coarsely crystalline powder, obtained from co- 

 paiba ; it is soluble in alcohol, ether, and benzene. 

 A., Comic. See Cornin (Illus. Diet. ). A., Cotar- 

 nic, C u H 12 5 , a dibasic acid derived from cotarnin bv 

 action of dilute nitric acid. A., Cresotic, A., 

 Cresotinic, C 8 H 8 3 , an aromatic hydroxy acid 

 of which 3 isomeric compounds may be formed 

 by the action of sodium and carbonic anhydrid on 

 the 3 modifications of cresol. They all occur in 

 acicular crystals. The para compound, melting at 151° 

 C, is used as an antipyretic in the form of sodium cre- 

 solate. Dose, 2-20 gr. ; max. dose, 60 gr. Syn. 

 luic acid ; Homosalicylic acid. A., Cresylsalicylic 

 found in the mother liquor accompanying salicylic 

 acid when prepared by Kolbe's process. A., Crith- 

 mic, an oxidation product of the volatile oil of Crith 

 mum maritimum, L. A., Crocic. See A., 

 (Illus. Diet. ). A., Crotonic, CH 3 . CH : CI 1 

 a monobasic acid forming monoclinic crystals or trimet 

 ric plates soluble in water and ligroin, melting at 72 

 C. and boiling at 185 C. It is obtained from crud' 

 wood-vinegar, or produced by the oxidation of croton 

 aldehyd. A., Crotonoleic. Same as A., 

 A., Crotonolic. See A., Tiglic. A., Cryptophanic 

 C 10 H 18 N 2 O 10 , an acid found by Thudichum to exist 1 

 small quantities in human urine. A., Cubebic, C, 1 

 H 14 7 (?), a white waxy mass, turning brown on eij 

 posure, obtained from cubeb berries, the unripe frul 

 of Piper cubeba, soluble in alcohol and ether and alk;! 

 line solutions, and used as a diuretic. Dose, 5-1 1 

 gr. in pills several times daily. A., Cumaric. Sd 

 A., Coumdric (Illus. Diet.); A., Cuminuric, a ni 

 trogenous acid found in urine and produced in tl 

 body by the conjugation of glycocoll with cumi 

 acid. A., Cyanilic. See A., Tricyanic (Illus. Diet, j 

 A., Cyanurmonamic. See Ammelid (Illus. Diet ! 

 A., Cynurenic, C, H.NO 3 , a decomposition pnxiu; 

 of proteids, found by Liebig in dogs' urine ; it is 

 dibasic crystalline acid, soluble in alcohol and melts : 

 253°C. Syn., Kyntirenic acid. A., Dammar, C 4([ l I ,,' 

 a crystalline resinous acid the chief constituent of Auj 

 tralian dammar (kauri gum). A., Dammaric. S 

 A., Dammarylic. A., Dammarylic, C 45 H 3g 3 . : 

 constituent of East Indian dammar, according 

 Huchsohn forming 80% of it ; it is insoluble in we; 

 alcohol, but soluble in absolute alcohol. A.,Damol:, 

 Same as A., Damalic (Illus. Diet.). A., Dehydr.j 

 cholalic, C, 4 H 34 5 -f- 3H 2 0, an oxidation product 

 cholalic acid with permanganate. A., Dehydr 

 choleic. See under A., Choleic. A., Delphin! 

 an acid first obtained in 1817 by Chevreul from t ! 

 oil of the dolphin, identical with A., I'alen 

 Diet.). A., Dephlogisticated Marine. Same 

 Chlorin (Illus. Diet.). A.,Desoxycholalic, C.,11,,, 1 

 a redaction product of cholalic acid occurring duri 

 putrefactive changes. A., Dextrocamphoric, 1 



phoric acid prepared from ordinary camphor, w 



bid 

 dextrorotary. Cf. A., Levocaviphoric. A.. Dc 

 trolactic. See A., Sarcolactic (Illus. Diet.). <' 

 Dextropimaric, one of the three acids found hv \ 

 terberg in pimaric acid; it is dextrorotary, 

 2io°-2ll° C, is insoluble in water, easily soluble 

 hot alcohol and in glacial acetic acid, from which, 

 crystallizes in large plates. A., Dextrotartaric. l| 

 taric acid. A., Dialuric, C 4 II 4 4 N.„ a m 

 acid obtained by the reduction of alloxan with 1 

 and hydrochloric acid, occurring in needles 01 

 shows a very acid reaction, and forms salts with I < • 

 equivalents of the metals. It becomes red 1 

 sure, absorbs oxygen, and is converted into all 



