Chemistry
Organic Building Blocks
Sulfonic Acids
Organic sulfonic acids, also known as sulphonic acids, are a type of organosulfur compound that can be represented by the general formula R−S(=O)2−OH, where R is an alkyl or aryl group in the organic domain, and the S(=O)2(OH) group is a sulfonyl hydroxide moiety. The sulfo group is another term used to refer to this substituent.
Sulfonic acid, which can also be spelled sulphonic, is a type of organic acid that contains sulfur and can be represented by the general formula RSO3H, where R represents an organic group that combines with sulfur.
Among organosulfur compounds, sulfonic acids are considered to be of great significance. This is because the inclusion of sulfonic acid groups in a compound can significantly increase its solubility in water.
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4-(4-(2-Hydroxyethyl)piperazin-1-yl)butane-1-sulfonic acid
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5-Benzoyl-4-hydroxy-2-methoxybenzenesulfonic acid
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4-Aminobenzene-1,3-disulfonic acid
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4,4'-Diamino-[1,1'-biphenyl]-3,3'-disulfonic acid
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Sodium 5-oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate
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Naphthalene-1,5-disulfonic acid tetrahydrate
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Sodium 3,6-dihydroxynaphthalene-2,7-disulfonate