. The Pharmaceutical era . ic acidmay be used, and as a diluent, acetic acid of 90 per cent(Pharm. Post.) ACETYL-LEUCO-METHTLENE-BLUE is a colorlesstJertvatlve of methylene-blue, prepared by G. Cohn (Arch,de Pharm.), having all the important therapeutic proper-ties of the mother substance, without sharing its unpleas-ant secondary effects. The new compound occurs in color-less needles, permanent in the air, and melts at 179 to180° c. It is sparingly soluble in ether and benzol, quitesoluble in hot glacial acetic acid, and in consequence ofIts basic character is readily dissolved by dilute muri
. The Pharmaceutical era . ic acidmay be used, and as a diluent, acetic acid of 90 per cent(Pharm. Post.) ACETYL-LEUCO-METHTLENE-BLUE is a colorlesstJertvatlve of methylene-blue, prepared by G. Cohn (Arch,de Pharm.), having all the important therapeutic proper-ties of the mother substance, without sharing its unpleas-ant secondary effects. The new compound occurs in color-less needles, permanent in the air, and melts at 179 to180° c. It is sparingly soluble in ether and benzol, quitesoluble in hot glacial acetic acid, and in consequence ofIts basic character is readily dissolved by dilute muriaticacid, from which solution it Is again precipitated un-changed in white flakes by the addition of ammonia. Asolution in concentrated sulphuric acid is yellow, assum-ing on warming at first an olive color, which finally be-comes gi-een. Addition of water to this produces a bluecolor. The new compound differs from methylene-blue inbeing but little toxic and giving to the urine only a green-iwi •olor. (Ztsch. f. Pharm.). Marguerite—Weve got scarlet fever and measles atour house. Gladys—Thats nothin. We had six different diseasesto wunst, and the drug store man cured em all. ANTITUSSIN IN WHOOPING COUGH.—Antltussin isan ointment consisting of 5 parts difluor-diphenyl, 10parts petrolatum and 85 parts wool fat. It has been usedby Dr. Heim with good results in treating whoopingcough, applied on the neck, chest and back, between theshoulder blades. Before application the skin is washedoft with warm soap suds and rubbed dry; then a portionof ointment of the size of a walnut is rubbed on energeti-cally with the palm of the hand until It is at>sorl>€d.(Apoth. Ztg.) : AMMONIUM CYANATE.—A peculiar Interest attachesto this substance from the fact that it was the spon-taneous conversion from this salt into urea which firstbridged over the gulf between the inorganic and theorganic, and in the hands of WShler gave the great im-petus to the study of organic chemistry. Owing
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Keywords: ., bookcentury1800, booksubjectdrugs, booksubjectpharmacy, bookyear1
