science-softCon uv/vis+ photochemistry database;	www.photochemistry.org; (C) science-softCon 2019

Substance: 1,1,1-difluorochloroethane			Other Names: CFC-142b

Formula: C2H3ClF2; CH3CF2Cl				CAS-No.:  75-68-3

Study: uv absorption cross sections


Authors: D. Gillotay, P.C. Simon

Title: Temperature-Dependence of Ultraviolet Absorption Cross-Sections of Alternative Chlorofluoroethanes

Journal/Source: J. Atmos. Chem., 12, 269-285, (1991); DOI:10.1007/BF00048076


Data: diagram, table

Energy/Wavelength range: 170 - 230 nm

Resolution: 

Temperature: 210 K; 230 K; 250 K; 270 K; 295 K

Temperature dependence: yes

Pressure/Concentration: 

Phase: vapor

pH:


Comments: The absorption cross-sections of HCFC-123 (CF3-CHCl2), HCFC-141b (CH3-CFCl2) and HCFC-142b (CH3-CF2Cl) are 
measured between 170 and 250 nm for temperatures ranging from 295 to 210 K with uncertainties between 2 and 4%.

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