Detail of "2257-85-4"

CAS Number:
2257-85-4
Name:
1H-Isoindole-1,3(2H)-dione,4-amino-2-methyl-
Superlist Name:
4-Amino-n-methylphthalimide
Molecular Structure:
Formula:
C₉H₈N₂O₂
Molecular Weight:
176.17
Synonyms:
Phthalimide,3-amino-N-methyl- (6CI,7CI,8CI);3-Amino-N-methylphthalimide;4-Amino-2-methyl-1H-isoindole-1,3(2H)-dione;
Density:
1.411 g/cm³
Melting Point:
246-248 °C(lit.)
Boiling Point:
346.803 °C at 760 mmHg
Flash Point:
163.541 °C
Hazard Symbols:
Xi
Risk Codes:
36/37/38
Safety:
26-37/39 Details

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Reactive field saturation and features of electronic spectra broadening of polar solutions of complex molecules: Reactive field saturation and features of electronic spectra broadening of polar solutions of complex molecules. Gorbatsevich, S. K.; Gulis, I.In this study，2257-85-4 is also used. M.; Komyak, A. I. (USSR). Zh. Prikl. Spektrosk., 40(4), 583-8 (Russian) 1984. CODEN: ZPSBAX. ISSN: 0514-7506. DOCUMENT TYPE: Journal CA Section: 73 (Optical, Electron, and Mass Spectroscopy and Other Related Properties) The temp. dependences of the dispersion of the mol. 0-0-transition frequency distribution function was investigated theor. and exptl. The exptl. results obtained cannot be explained by traditionally assuming the proportionality of the reactive field value to the activator dipole moment, but are easily described on the basis of the model which takes into account the reactive field satn. A substantial difference between the broadening function dispersions for absorption and emission in liq. solns. of phthalimides is shown exptl. which is also due to the reactive field satn. .

Selective nonspecific solvation under dielectric saturation and fluorescence spectra of dye solutions in binary solvents: Selective nonspecific solvation under dielectric saturation and fluorescence spectra of dye solutions in binary solvents. Bakhshiev, N. G.; Kiselev, M. B. (S. I. Vavilov State Optical Inst.Some commonly used reagents like 2257-85-4 and 2307-01-9 are used in this experiment., Leningrad 199034, USSR). J. Fluoresc., 1(3), 177-81 (English) 1991. CODEN: JOFLEN. ISSN: 1053-0509. DOCUMENT TYPE: Journal CA Section: 73 (Optical, Electron, and Mass Spectroscopy and Other Related Properties) The influence of selective nonspecific solvation on the fluorescence spectra of 3 substituted N-methylphthalimides in a binary solvent system consisting of a nonpolar (n-heptane) and a polar (pyridine) component were studied under conditions close to dielec. satn. The substantial nonlinearity of the effect is confirmation that the spectral shifts of fluorescence bands depend on the no. of polar solvent mols. involved in solvating the dye mol. The measured fluorescence spectral shifts detd. by substituting one nonpolar solvent mol. with a polar one in the proximity of the dye mol. agree quant. with the forecasts of the previously proposed semiempirical theory which describes this nonlinear solvation phenomenon. .