Reactivity of 2-ethyl-1-hexanol in the atmosphere

Literature Information

Publication Date 2010-02-19
DOI 10.1039/B923899A
Impact Factor 3.676
Authors

María Paz Gallego-Iniesta García, Alberto Moreno Sanroma, María Pilar Martín Porrero, Araceli Tapia Valle, Beatriz Cabañas Galán, María Sagrario Salgado Muñoz


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Abstract

Rate coefficients at room temperature for the reaction of 2-ethyl-1-hexanol with OH and NO3 radicals and with Cl atoms have been determined in a 150 L PTFE chamber using GC-FID/SPME and FTIR as detection systems. The rate coefficients k (in units of cm3 molecule−1 s−1) obtained were: (1.13 ± 0.31) 10−11 for the OH reaction, (2.93 ± 0.92) 10−15 for the NO3 reaction and (1.88 ± 0.25) 10−10 for the Cl reaction. Despite the high concentrations of 2-ethyl-1-hexanol, especially in indoor air, this is the first kinetic study carried out to date for these reactions. The results are consistent with the expected reactivity given the chemical structure of 2-ethyl-1-hexanol. Calculated atmospheric lifetimes reveal that the dominant loss process for 2-ethyl-1-hexanol is clearly the daytime reaction with the hydroxyl radical.

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Source Journal

Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
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Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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