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

Substance: 1,2 dibromo-tetrafluoroethane		Other Names: Halon-2402

Formula: C2Br2F4; CF2BrCF2Br				CAS-No.: 124-73-2

Study: uv absorption cross sections


Authors: D.K. Papanastasiou, N.R. Carlon, J.A. Neuman, E.L. Fleming, C.H. Jackman, J.B. Burkholder

Title: Revised UV absorption spectra, ozone depletion potentials, and global warming potentials for the ozone-depleting substances CF2Br2, CF2ClBr, and CF2BrCF2Br

Journal/Source: Geophys. Res. Lett., 40 (2), 464-469, (2013); DOI: 10.1002/grl.50121

Data: table, diagram

Energy/Wavelength range: 300 - 350 nm

Resolution: 

Temperature: 210 K; 230 K; 250 K; 270 K; 296 K

Temperature dependence: yes

Pressure/Concentration:

Phase: vapor

pH:


Comments: UV absorption cross-sections of the ozone-depleting substances CF2Br2 (Halon-1202), CF2ClBr (Halon-1211), and CF2BrCF2Br (Halon-2402) 
were measured between 300 and 350 nm over the temperature range 210-296 K using cavity ring-down spectroscopy. 

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