Detail of "2708-97-6"

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CAS Number:
2708-97-6
Name:
1,2-Diiodotetrafluorobenzene
Molecular Structure:
Formula:
C₆F₄I₂
Molecular Weight:
401.8668
Synonyms:
1,2,3,4-Tetrafluoro-5,6-diiodobenzene;1,2,3,4-tetrafluoro-5,6-diiodo-benzene;Benzene, 1,2,3,4-tetrafluoro-5,6-diiodo-;
EINECS:
220-303-3
Density:
2.671 g/cm³
Melting Point:
49-50 °C(lit.)
Boiling Point:
232.6 °C at 760 mmHg
Flash Point:
93.2 °C
Appearance:
white to off-white powder, crystals crystalline powder and/or chunks
Hazard Symbols:
Xi
Risk Codes:
36/37/38
Safety:
26-37/39 Details

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The Raman and infrared spectra and normal coordinate analysis for 1,2-diiodotetrafluorobenzene: The Raman and infrared spectra and normal coordinate analysis for 1,2-diiodotetrafluorobenzene. Yadav, R. A.; Singh, I. S.; Sala, O. (Dep. Phys., Banaras Hindu Univ., Varansi 221005, India). J. Raman Spectrosc., 14(5), 353-7 (English) 1983. CODEN: JRSPAF. ISSN: 0377-0486. DOCUMENT TYPE: Journal CA Section: 73 (Optical, Electron, and Mass Spectroscopy and Other Related Properties) The Raman spectrum of 1,2-diiodotetrafluorobenzene was recorded at 50-2000 cm-1 on a Jarrell-Ash Model 25-300 double monochromator spectrometer using 5145 ? radiation from an Ar-ion laser. The depolarization ratios of the Raman lines were measured in CS2 and CHCl3 solns. 2708-97-6 is also in the experiment. The IR spectrum was recorded in CS2 and CHCl3 solns. at 180-200 cm-1 on a Perkin-Elmer 180 spectrometer using a CsI cell. The fundamental vibrations were assigned on the basis of the frequencies and relative intensities of the bands obsd. in the Raman and IR spectra and the depolarization ratios of the Raman lines. A normal coordinate anal. was also performed to check the vibrational assignments. .

Partial Fluorination Overcomes Herringbone Crystal Packing in Small Polycyclic Aromatics: Some chemicals with cas registry numbers like 2708-97-6 are also used. Partial Fluorination Overcomes Herringbone Crystal Packing in Small Polycyclic Aromatics. Cho, Don M.; Parkin, Sean R.; Watson, Mark D. (Department of Chemistry, University of Kentucky, Lexington, KY 40506-0055, USA). Organic Letters, 7(6), 1067-1068 (English) 2005 American Chemical Society. CODEN: ORLEF7. ISSN: 1523-7060. DOCUMENT TYPE: Journal CA Section: 22 (Physical Organic Chemistry) Section cross-reference(s): 75 We report the synthesis and characterization of partially fluorinated condensed tetracyclic arom. compds. Typical edge-to-face/herringbone packing of nonfluorinated analogs is replaced here by columnar stacks with disk planes orthogonal to the columnar axes. Enhanced p-overlap results with overlaid electron-poor and -rich regions. .