Rate Constants for the Gas-Phase Reactions of Ozone and Nitrate Radicals with the Sesquiterpenes: Valencene and Farnesol
ABSTRACT Sesquiterpenes are constituents of a variety of essential oils that are used in flavorings, perfumes, personal care, and cleaning products. Two sesquiterpenes that are commonly used as indoor fragrances are valencene and farnesol. Knowing the reaction rate constants of these chemicals with...
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| Veröffentlicht in: | International journal of chemical kinetics 2013-08, Vol.45 (8), p.508-514 |
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| creator | Ham, Jason E. |
| description | ABSTRACT
Sesquiterpenes are constituents of a variety of essential oils that are used in flavorings, perfumes, personal care, and cleaning products. Two sesquiterpenes that are commonly used as indoor fragrances are valencene and farnesol. Knowing the reaction rate constants of these chemicals with ozone (O3) and nitrate radical ( NO 3•) is an important factor in determining their fate indoors. In this study, the bimolecular rate constants of kO3+ valencene (0.35±0.9)×10−16, kO3+ farnesol (21±5.2)×10−16, k NO 3•+ valencene (7.9±2.0)×10−12, and k NO 3•+ farnesol (44±11)×10−12 cm 3 molecule −1s−1 were measured using the relative rate technique at 297 ± 3 K and 1 atm total pressure. Using the rate constants reported here and measured/modeled indoor concentrations of O3 and NO 3• (20 ppb and 1 ppt, respectively), pseudo–first‐order‐rate lifetimes kO3+ valencene ′(0.06), kO3+ farnesol ′(3.8), k NO 3′+ valencene (0.7), and k NO 3·+ farnesol ′(3.9)h−1 were determined. |
| doi_str_mv | 10.1002/kin.20789 |
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Sesquiterpenes are constituents of a variety of essential oils that are used in flavorings, perfumes, personal care, and cleaning products. Two sesquiterpenes that are commonly used as indoor fragrances are valencene and farnesol. Knowing the reaction rate constants of these chemicals with ozone (O3) and nitrate radical ( NO 3•) is an important factor in determining their fate indoors. In this study, the bimolecular rate constants of kO3+ valencene (0.35±0.9)×10−16, kO3+ farnesol (21±5.2)×10−16, k NO 3•+ valencene (7.9±2.0)×10−12, and k NO 3•+ farnesol (44±11)×10−12 cm 3 molecule −1s−1 were measured using the relative rate technique at 297 ± 3 K and 1 atm total pressure. Using the rate constants reported here and measured/modeled indoor concentrations of O3 and NO 3• (20 ppb and 1 ppt, respectively), pseudo–first‐order‐rate lifetimes kO3+ valencene ′(0.06), kO3+ farnesol ′(3.8), k NO 3′+ valencene (0.7), and k NO 3·+ farnesol ′(3.9)h−1 were determined.</description><identifier>ISSN: 0538-8066</identifier><identifier>EISSN: 1097-4601</identifier><identifier>DOI: 10.1002/kin.20789</identifier><identifier>CODEN: IJCKBO</identifier><language>eng</language><publisher>Hoboken: Blackwell Publishing Ltd</publisher><ispartof>International journal of chemical kinetics, 2013-08, Vol.45 (8), p.508-514</ispartof><rights>2013 Wiley Periodicals, Inc.</rights><rights>Copyright © 2013 Wiley Periodicals, Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3359-9d15a9b40d1df36ee403c7d0a7c40e67a2bd3c77b048a60f4cc8779c38a634463</citedby><cites>FETCH-LOGICAL-c3359-9d15a9b40d1df36ee403c7d0a7c40e67a2bd3c77b048a60f4cc8779c38a634463</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fkin.20789$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fkin.20789$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids></links><search><creatorcontrib>Ham, Jason E.</creatorcontrib><title>Rate Constants for the Gas-Phase Reactions of Ozone and Nitrate Radicals with the Sesquiterpenes: Valencene and Farnesol</title><title>International journal of chemical kinetics</title><addtitle>Int. J. Chem. Kinet</addtitle><description>ABSTRACT
Sesquiterpenes are constituents of a variety of essential oils that are used in flavorings, perfumes, personal care, and cleaning products. Two sesquiterpenes that are commonly used as indoor fragrances are valencene and farnesol. Knowing the reaction rate constants of these chemicals with ozone (O3) and nitrate radical ( NO 3•) is an important factor in determining their fate indoors. In this study, the bimolecular rate constants of kO3+ valencene (0.35±0.9)×10−16, kO3+ farnesol (21±5.2)×10−16, k NO 3•+ valencene (7.9±2.0)×10−12, and k NO 3•+ farnesol (44±11)×10−12 cm 3 molecule −1s−1 were measured using the relative rate technique at 297 ± 3 K and 1 atm total pressure. Using the rate constants reported here and measured/modeled indoor concentrations of O3 and NO 3• (20 ppb and 1 ppt, respectively), pseudo–first‐order‐rate lifetimes kO3+ valencene ′(0.06), kO3+ farnesol ′(3.8), k NO 3′+ valencene (0.7), and k NO 3·+ farnesol ′(3.9)h−1 were determined.</description><issn>0538-8066</issn><issn>1097-4601</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNp1kE1PAjEQhhujiYge_AdNPHlYndLddtebIYooAYNfiZemdGdDEXehLVH89S4uevM0mTfPM5O8hBwzOGMAnfM3W551QKbZDmkxyGQUC2C7pAUJT6MUhNgnB97PACDLWNIin2MdkHar0gddBk-LytEwRdrTPrqfao90jNoEWwO0KujoqyqR6jKnQxvcRh3r3Bo99_TDhumP-oB-ubIB3QJL9Bf0Wc-xNLj1rrWr02p-SPaKWsOj7WyTp-urx-5NNBj1-t3LQWQ4T7Ioy1mis0kMOcsLLhBj4EbmoKWJAYXUnUleB3ICcaoFFLExqZSZ4fXG41jwNjlp7i5ctVyhD2pWrVxZv1SMS5BJR8gNddpQxlXeOyzUwtl37daKgdoUq-pi1U-xNXvesB92juv_QXXXH_4aUWNYH_Dzz9DuTQnJZaJehj3FXuHxFm6lSvg3BfSJYA</recordid><startdate>201308</startdate><enddate>201308</enddate><creator>Ham, Jason E.</creator><general>Blackwell Publishing Ltd</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>201308</creationdate><title>Rate Constants for the Gas-Phase Reactions of Ozone and Nitrate Radicals with the Sesquiterpenes: Valencene and Farnesol</title><author>Ham, Jason E.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3359-9d15a9b40d1df36ee403c7d0a7c40e67a2bd3c77b048a60f4cc8779c38a634463</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ham, Jason E.</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><jtitle>International journal of chemical kinetics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ham, Jason E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Rate Constants for the Gas-Phase Reactions of Ozone and Nitrate Radicals with the Sesquiterpenes: Valencene and Farnesol</atitle><jtitle>International journal of chemical kinetics</jtitle><addtitle>Int. J. Chem. Kinet</addtitle><date>2013-08</date><risdate>2013</risdate><volume>45</volume><issue>8</issue><spage>508</spage><epage>514</epage><pages>508-514</pages><issn>0538-8066</issn><eissn>1097-4601</eissn><coden>IJCKBO</coden><abstract>ABSTRACT
Sesquiterpenes are constituents of a variety of essential oils that are used in flavorings, perfumes, personal care, and cleaning products. Two sesquiterpenes that are commonly used as indoor fragrances are valencene and farnesol. Knowing the reaction rate constants of these chemicals with ozone (O3) and nitrate radical ( NO 3•) is an important factor in determining their fate indoors. In this study, the bimolecular rate constants of kO3+ valencene (0.35±0.9)×10−16, kO3+ farnesol (21±5.2)×10−16, k NO 3•+ valencene (7.9±2.0)×10−12, and k NO 3•+ farnesol (44±11)×10−12 cm 3 molecule −1s−1 were measured using the relative rate technique at 297 ± 3 K and 1 atm total pressure. Using the rate constants reported here and measured/modeled indoor concentrations of O3 and NO 3• (20 ppb and 1 ppt, respectively), pseudo–first‐order‐rate lifetimes kO3+ valencene ′(0.06), kO3+ farnesol ′(3.8), k NO 3′+ valencene (0.7), and k NO 3·+ farnesol ′(3.9)h−1 were determined.</abstract><cop>Hoboken</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1002/kin.20789</doi><tpages>7</tpages></addata></record> |
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| title | Rate Constants for the Gas-Phase Reactions of Ozone and Nitrate Radicals with the Sesquiterpenes: Valencene and Farnesol |
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