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Sulfonic acid salts refer to those anions that have the general formula RSO2O? are and are also referred to as sulfonates, wherein R is alkyl, aryl or any other organic moiety. Organic sulfonic salts serve as anionic surface-active agents and are therefore widely used in the detergent industry. Unlike ordinary soaps, soaps containing organic sulfonic salts do not form insoluble salts with calcium and magnesium ions and hence they do not form scum in hard water. In the petroleum industry, they are also employed as emulsion breakers. They also find application as electrolytes in Zinc-cerium and lead-acid flow batteries. They are important intermediates in the preparation of dyes and chemicals for electroplating.

Sulfonic acid salts find utility in drug development. In pharmaceuticals, drug substances presented as sulfonic acid salts ensure that the resultant drug product exhibit less plastic deformation while processing. Unlike other strong acid salts, sulfonate salts do not have the propensity to form hydrates, making them suitable for secondary processing like wet granulation. Moreover, such salts are stable and do not suffer from disproportionation reactions encountered in other salts (Journal of Pharmacy and Pharmacology 2009, 61: 269û278).

They also find utility in photoimaging and as an etching agent for compound semi-conductiors and ceramics.

  • 1,2-Dihydroxybenzene-3,5-disulfonic acid disodium salt monohydrate, 97%
  • 1,2-Ethanedisulfonic acid hydrate, 98%
  • 1,2-Naphthoquinone-4-sulfonic acid sodium salt, 97%
  • 1,3-Propanedisulfonic acid disodium salt, 99% (dry wt.)
  • 1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt, 90+%
  • 2,4,5-Trichlorobenzenesulfonic acid potassium salt, 90+%
  • 2,4-Dinitrobenzenesulfonic acid hydrate, 98%
  • 2,4-Dinitrobenzenesulfonic acid sodium salt, 97%
  • 2,5-Dichlorobenzenesulfonic acid dihydrate, 97%
  • 2,5-Dimethylbenzenesulfonic acid hydrate, 99%
  • 2-Chloro-p-phenylenediamine sulfate, 95%
  • 2-Formylbenzenesulfonic acid sodium salt hydrate, tech. 90%
  • 2-Hydroxy-2-propanesulfonic acid monosodium salt, 97%
  • 2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid hydrate, tech. 85%, may cont. up to 10% 2-propanol
  • 2-Phenylbenzimidazole-5-sulfonic acid monohydrate, 98%
  • 3,5-Dichloro-2-hydroxybenzenesulfonic acid sodium salt, 98%
  • 4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt dihydrate, ACS
  • 4-Aminoazobenzene-4'-sulfonic acid sodium salt, tech. 90%
  • 4-Bromobenzenesulfinic acid sodium salt dihydrate, 97%
  • 4-Chlorobenzenesulfinic acid sodium salt hydrate, 97%
  • 4-Hydrazinobenzenesulfonic acid hydrate, 98%
  • 5,6-Diphenyl-3-(2-pyridyl)-1,2,4-triazine-4,4'-disulfonic acid disodium salt hydrate, 98%
  • 5,6-Diphenyl-3-(2-pyridyl)-1,2,4-triazine-4,4"-disulfonic acid monosodium salt hydrate, 97%
  • 7-Fluorobenzofurazan-4-sulfonic acid ammonium salt, 99%
  • 9,10-Anthraquinone-2-sulfonic acid sodium salt hydrate, 97% (dry wt.), water ca 4-6%
  • Agmatine sulfate, 97%
  • Aminomalononitrile p-toluenesulfonate, 97+%
  • Azomethine-H hydrate
  • Bathocuproin sulfonate disodium salt hydrate, 97%
  • Bathophenanthrolinedisulfonic acid disodium salt hydrate, 98%
  • Benzene-1,3-disulfonic acid disodium salt, 94%
  • Benzenesulfinic acid sodium salt, 98%
  • Benzenesulfonic acid isopropyl ester, 95%
  • Biphenyl-4-sulfonic acid, tech. 85%
  • Bis(trimethylsilyl) sulfate, 97%
  • D-3-Bromocamphor-10-sulfonic acid monohydrate, 99%
  • D-3-Bromocamphor-8-sulfonic acid ammonium salt, 98%
  • Diethyl sulfate, 98%
  • Di-n-butyl sulfate, 95%
  • Dioctyl sulfosuccinate sodium salt, 96%
  • Diphenyliodonium trifluoromethanesulfonate, 99%
  • Ethanesulfonic acid sodium salt, 98%, may cont. ca 2% water
  • Hydroxymethanesulfinic acid sodium salt hydrate, tech 85%, cont. up to 5% sodium sulfite (dry wt.)
  • Isethionic acid ammonium salt, 99%
  • MES hydrate, 99+%
  • Mesitylenesulfonic acid dihydrate, 98+%
  • Mesitylenesulfonic acid sodium salt hemihydrate, 98%
  • Methanesulfinic acid sodium salt, 95%
  • MOPS sodium salt, 98%
  • Naphthalene-1-sulfonic acid hydrate, 98%


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