p-Chlorobenzotrifluoride
Title: p-Chlorobenzotrifluoride
CAS Registry Number: 98-56-6
CAS Name: 1-Chloro-4-(trifluoromethyl)benzene
Additional Names: (4-chlorophenyl)trifluoromethane; 4-chloro-a,a,a-trifluorotoluene; PCBTF
Trademarks: Oxsol 100 (Occidental Chemical)
Molecular Formula: C7H4ClF3
Molecular Weight: 180.55
Percent Composition: C 46.57%, H 2.23%, Cl 19.64%, F 31.57%
Literature References: Environmentally friendly solvent. Prepn: H. S. Booth et al., J. Am. Chem. Soc. 57, 2066 (1935). Mass spectrum: F. Belsito et al., Ann. Chim. 69, 259 (1979). Photochemical reactivity: M. Khan et al., Atmos. Environ. 33, 1085 (1999). Use as chemical intermediate: E. R. Lavagnino et al., Org. Prep. Proced. Int. 11, 23 (1979); M. Beller, A. Zapf, Synlett 1998, 792. GLC/MS determn in fish: M. P. Yurawecz, J. Assoc. Off. Anal. Chem. 62, 36 (1979). Toxicology: P. E. Newton et al., Inhalation Toxicol. 10, 33 (1998). Review: C. H. Hare, Mod. Paint Coat. 88, 30-36 (1998).
Properties: Liquid, strong though not unpleasant aromatic odor. bp 139°. Freezing pt: -36°. mp -34°. Flash point (closed cup): 109°F (43°C). d20 1.34. d425 1.334. nD21 1.4469. Vapor pressure (20°): 5.3 mm Hg. Soly in water (25°): 29 ppm.
Melting point: Freezing pt: -36°; mp -34°
Boiling point: bp 139°
Flash point: Flash point (closed cup): 109°F (43°C)
Index of refraction: nD21 1.4469
Density: d20 1.34; d425 1.334
Use: Chemical intermediate for dinitroaniline herbicides, dyes. As dielectric fluid and as solvent.

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