62 Scientific Intelligence. 
was oxidized, and the valeric acid ABE Sian boiled from 
174° to 176° , and i in which a=+-4°4°,—was converted into the eal- 
cium salt, and distilled with an equivalent quantity of calcium 
benzoate. On rectifying the product, it boiled at 225° to 226°, and 
afforded on analysis numbers agreeing with those required by 
butylphenyl ketone. To fix the constitution of the butyl it con- 
tained, the ketone was oxidized. The products consisted of ben- 
zoic acid and iso-but tyric acid, with traces of acetic acid; thus 
proving that this ketone, and also, therefore, the valeric acid and 
the amyl alcohol from which it was derived, — iso-butyl 
and not butyl. Their neene ey Peers ya 
o1°>CH—CH, —COOH and © 2 >CH—CH, —CH, OH, 
a result already confirmed in sides wide by Erlenmeyer, Frank- 
land a8 Duppa, and Butlerow.— Ber. Berl. chem. Ae: aN, oe 
Feb., 1872. B. 
6. On Phenol ee and their Relation to Natural Coloring 
atters.— B. r has continued his researches on gallein and 
fluorescein,” re Sekt 4 coloring matters derived from the ane 
(1.) Phenol colors. Whi 0 part s of feo, 5 aks phthalic 
—— and 4 parts concerns sulphurio acid are heated to 120° 
o 130° for several hours, a red mass is obtained, yee a ye 
Lelekewhite powder on gstareilisn with boiling 
dissolved in potassium hydrate, and precipitated Aes perma ihe 
acid, a granular precipitate is obtained, having the c composition 
C,H, 0... It is the pethe al <- of henol I has probably the ration- 
al constitution C gH,(CO.C,H Olt >, and is isomeric with the 
pisos ether of phenol. ‘When Sheare. ra solution in potassium 
ydrate, with zine-dust, the magnificentl y fuchsine-colored solu- 
tion is decolorized, and hydrochloric acid precipitates therefrom 
the white granular phthalin of phenol, C,,H,,O,. Mellitic and 
pyromellitic acids act similarly upon phenol ; but the most inter: 
* This Journal, III, ii, 203. 
