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substituent |
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substituent [səb′stich·ə·wənt] (organic chemistry) An atom or functional group substituted for another in a chemical structure. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Norbloc 7966 benzotriazole uv stabilizer has a methacrylate ester substituent, which will copolymerize efficiently with various vinyl monomers. The silica-silane reaction proceeds via the ethoxy substituent on the Si-unit. It can be noted, however, that the PBDE congeners with the shortest half-lives within each group of isomers have a hydrogen substituent in one of the phenyl rings and the other ring fully brominated. |
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