2,4-dinitroaniline

2,4-dinitroaniline

[¦tü ¦fȯr dī¦nī·trō′an·ə‚lēn]
(organic chemistry)
(NO2)C6H3NH2 A compound which crystallizes as yellow needles or greenish-yellow plates, melting at 187.5-188°C; soluble in alcohol; used in the manufacture of azo dyes.
References in periodicals archive ?
Garcia, Photodecomposition of 2,4-dinitroaniline on Li/TiO2 and Rb/TiO2 nanocrystallite sol-gel derived catalysts, J.
The following Hammett indicators were utilized: phenolphthalein ([H.sub.-] = 8.2), thymolphthalein ([H.sub.-] = 10.0), 2,4-dinitroaniline ([H.sub.-] = 15.0), and 4-nitroaniline ([H.sub.-] = 18.4).
By adding Hammett indicators to Razor shell synthesized CaO, the catalyst samples successfully changed the color of phenolphthalein ([H.sub.-] = 8.2) from being colorless to pink, thymolphthalein ([H.sub.-] = 10.0) from being colorless to blue, and 2,4-dinitroaniline ([H.sub.-] = 15.0) from yellow to mauve, respectively.
We found that 20 mM KCI, 1 mM 4-nitroaniline (4-NA), and 100 [mu]M 2,4-dinitroaniline (2,4 DNA) each almost completely prevented the cells from migrating into the lower phase.
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