74543-18-3Cc1c([N+](=O)[O-])cc(S(=O)(=O)O)cc1[N+](=O)[O-]SWBCSBNHMVLMKP-UHFFFAOYSA-N74543-18-3、88-90-4安全情報は参考情報です。供給元の安全データシート(SDS)、適用法令、専門家による評価に代わるものではありません。
2-Nitrotoluene is sulfonated to form 2-nitrotoluene-4-sulfonic acid; the reaction mixture is diluted with 90 % sulfuric acid, and sodium nitrate is added over 6 h at 80 ℃. After a further 1 h at this temperature the reaction mass is poured into water and the sodium salt of the product is salted out by addition of sodium sulfate. After being washed acid-free with brine, the yield of 2,6-Dinitrotoluene-4-sulfonic Acid is ca. 80 %.
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