<?xml version="1.0" encoding="UTF-8"?>
<term>
  <id>00949</id>
  <title>chain carrier</title>
  <longtitle>IUPAC Gold Book - chain carrier</longtitle>
  <doi>10.1351/goldbook.C00949</doi>
  <code>C00949</code>
  <status>current</status>
  <definitions>
    <item>
      <id>1</id>
      <text>A species, such as an atom or free radical, which is involved in chain-propagating reactions is known as a chain carrier.</text>
      <links>
        <item>
          <term>carrier</term>
          <url>https://goldbook.iupac.org/terms/view/C00859</url>
        </item>
        <item>
          <term>chain-propagating reactions</term>
          <url>https://goldbook.iupac.org/terms/view/C00959</url>
        </item>
        <item>
          <term>free radical</term>
          <url>https://goldbook.iupac.org/terms/view/F02519</url>
        </item>
      </links>
      <sources>
        <item>PAC, 1996, 68, 149. 'A glossary of terms used in chemical kinetics, including reaction dynamics (IUPAC Recommendations 1996)' on page 156 (https://doi.org/10.1351/pac199668010149)</item>
      </sources>
    </item>
  </definitions>
  <altoutputs>
    <html>https://goldbook.iupac.org/terms/view/C00949/html</html>
    <json>https://goldbook.iupac.org/terms/view/C00949/json</json>
    <plain>https://goldbook.iupac.org/terms/view/C00949/plain</plain>
  </altoutputs>
  <citation>Citation: 'chain carrier' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.C00949</citation>
  <license>The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms.</license>
  <collection>If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .</collection>
  <disclaimer>The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.</disclaimer>
  <accessed>2026-08-09T17:00:04+00:00</accessed>
</term>
