| Hazard Information | Back Directory | [Purification Methods]
Crystallise the sulfonic acid from EtOH/H2O. The sulfonyl chloride has m 120o(dec). [Vollmann et al. Justus Liebigs Ann Chem 531 32 1937 and Justus Liebigs Ann Chem 540 189 1939, Beilstein 11 H 198, 11 III 448.] |
|
|