46 ORGANIC MEDICINAL CHEMICALS 



ERYTHROL TETRANITRATE. Tetranitrol. C 4 H 6 . Vasodilator similar to nitro- 

 glycerin. Action slower and more lasting. Dose, % to I gr. (0.03 to 0.06 

 Gm.). 



ETHYL BROMIDE. C2H 5 Br. Colorless, very volatile, non-inflammable liquid of a 

 chloroformic taste and odor. Employed in minor surgery for general 

 anaesthesia. 



ETHYL CHLORIDE (JEthylis Chloridum U. S.). C 2 H 6 C1. Local anaesthetic, pro- 

 ducing no shock, vomiting, or nausea. 



ETHYLENE DIAMINE. Said to be an albumen solvent, non-corrosive, for the 

 solution of diphtheritic membrane, etc. 



EUCAINE HYDROCHLORATE B. (Benzoyl-vinyl-diaceton-alkamine.) CisHjiNOj- 

 HC1. A white crystalline powder. Less toxic than cocaine, does not pro- 

 duce mydriasis or corneal disturbances. In ophthalmic practice used in 

 2 per cent., in genito-urinary diseases, 0.5 to 2 per cent., for infiltration 

 anaesthetic o.i to I per cent., solutions. 



Eucalyptol (U. S.). (Cineol). C 10 Hi 8 O. In eucalyptus oil. Dose, STIJ (0.3 Cc.). 



Eugeuol (U. S.). CH 3 (OH)(OCH,).C,H 6 . Synthetic clove oil. 



EUPHORIN. Phenyl-urethane. CH 5 NH CO OC2H B . Colorless crystalline 

 powder. Antipyretic, analgesic, etc. Dose, 0.13 to 0.5 Gm. (2 to 8 gr.). 



EUQUININE; EUCHININ. C z H 6 O.CO.OCjoHj 3 NjO. Carbonic acid ester deriva- 

 tive of quinine. White crystals, devoid of bitterness, tasteless quinine 

 compound. Given to children in' mucilaginous vehicle. 



EUROPHEN. C 4 H9(OCH 3 )CjH 3 .C6H,.C 4 H 9 (CH 3 )OI. A cresol derivative con- 

 taining 22 per cent, of iodine. A yellow powder insoluble in water. Antiseptic 

 as a 3 per cent, ointment for burns, scalds, and ulcers; as antisyphilitic, in 

 solution in a fixed oil hypodermically. Dose, 24 to I gr. (%Q to ^5 Gm.). 

 Must not be confounded with euphorin. 



EXALGIN. CH s N(CHj)(CHjCO)? Analgesic, dose, 3 to 6 gr. (0.2 to 0.4 Gm.); 

 antipyretic, 7^ gr. (0.5 Gm.). 



EXODIN. (Diacetyl-rufigalUc-acid-tetramethyl-ether.) Purgative. Dose, 7^ to 

 12 gr. (0.5 to 0.8 Gm.). 



Formaldehyde. HCOH. A 37 per cent, solution (U. S. P.) of formic aldehyde 

 (HCOH). Antiseptic and disinfectant. A powerful bactericide even when 

 largely diluted. A spray of 2 per cent, solution completely disinfects fabrics; 

 0.5 to I per cent, solution to disinfect rooms, walls, furniture, etc. 



Guaiacol (U. S.). C 8 H 4 OHOCH 3 . The chief constituent of creasote, which 

 contains it in varying proportions of 60 to 90 per cent. A colorless liquid of 

 a strong aromatic odor. Dose, i to 2 drops for children, 3 to 5 drops for 

 adults, dissolved in water with cognac and wine. Must be administered 

 continuously for months. 



Guaiacol Carbonate (U. S.). CO 3 (C6H 4 OCH) 2 . An odorless, tasteless, crystalline 

 powder, insoluble in water. Dose, 0.2 to 0.5 Gm., increased to 6 Gm. per day. 

 More readily borne by the stomach than guaiacol itself. (Synonym, Duotal.) 



CH,CO 



HEROIN. (Morphine di-acetic-ester.) CnHnNOi . White crystals. The 



CH,CO 



hydrochlorate in small doses, from 0.005 to -3 Mgm. (^{2 to % gr-)i in laryn- 

 geal cough, bronchitis, pulmonary tuberculosis; usually associated with 

 other agents terpin hydrate, etc. 

 N C,H 4 OC 2 H 5 



HOLOCAIN. CHjC . Muscular anaesthetic, germicidal (poison). 



N C,H 4 OC 2 H 6 . 

 'HYPNONE. CeH s COCH3. Soporific, hypnotic. Dose, I to 3 TIR. 



ICHTHYOL. C28H 3 gS 3 Oj(NH 4 )2. Ammonium sulphichthyolate and sodium sulph- 

 ichthyolate are both employed under the name ichthyol. The latter, owing 

 to its density, being dispensed when pills are prescribed, the former in oint- 

 ments. Dark-brown semi-liquids of a fetid odor. Employed in a host of 

 maladies, including eczema, bruises, burns, rheumatism, migraine, chilblains, 

 etc. ; also used in form of impregnated cotton, gauze, or soap. 



IODOL (lodolum U. S.). C 4 I 4 NH. Antiseptic and alterative. Dose, 5 to 10 gr. 

 OC 2 H 6 



LACTOPHENIN. CH 4 . Chemically resembling phenacetine. 



NH.CO.CH(OH)CH, 



Antipyretic and antirheumatic. Soluble in 40 parts of water. The daily 

 dose is i o to 40 gr. in divided quantities. 



