FEKBIC CHLORIDE 195 



ferri perchloridum, sesquichloride (perchloride) of iron, E.; 

 perchlorure de fer, clilomre ferriqup, Fr. ; eisenchlorid, G. 



Derivation. — Iron, 15 gm.; hydrocliloric acid, nitric acid 

 and water, of eacli a sufficient quantity. Made by solution 

 with heat. 



Properties. — Orange yellow, crystalline pieces, odorless, 

 or having a faint odor of hydrochloric acid, and a strong 

 styptic taste ; deliquescent ; soluble in water and alcohol ; 

 reaction acid ; not used internally. 



LiQUOB Febei Chloeidi. Solution of Ferric Chloride. 



(U. S. P.) 



Synonym. — Liq. ferri perchloridi, B. P. An aqueous 

 solution of ferric chloride (Fe, Cle) containing not less than 

 29 per cent, of the anhydrous salt, or a,bout 13 per cent, of 

 metallic iron. 



Derivation. — Dissolve iron wire, 125, in hydrochloric 

 acid, 680, nitric acid and water to make 1,000. U. S. P. 



First reaction.— Fe, + 4 HCl = 2 Fe CI, + 2 H,. 



Second reaction.-6 FeCl, + 6 HCl + 2 HNO, = 3 Fe, 

 Cle + 2 NO + 4 H,0. 



Properties. — A reddish-brown liquid, having a faint odor 

 of hydrochloric acid; an acid, strongly styptic taste and an 

 acid reaction. 



i)ose.— H. & C, 3ii.-iv. (8.-15.); Sh. & Sw., 11lx.-xx. 

 (6.-1.3); D., in.ii-^- (-l^-.e). 



PREPARATIONS. 



Tinctura Ferri Chloridi. Tincture of Ferric Chloride. (U. S. P.) 



Solution of ferric chloride, 250; alcohol to make 1,000. 

 Dose.—n.&C, li.-ii. (30.-60.); Sh. &Sw., mxx.-xxx. (1.3-2.); D., 



niv.-2i. (.3-4.) 



Contains 18.6 per cent, of the anhydrous salt, or 4.69 per cent, of 



metallic iron. 



Tinctura Ferri Perchloridi. Tincture of Iron Perchloride. (B. P.) 



Dose.— Same as Tinctura Ferri Chloridi, U. S. P. 



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