In organic chemistry, sulfonic acid (or sulphonic acid) refers to a member of the class of organosulfur compounds with the general formula R−S(=O)2−OH...

In organosulfur chemistry, a sulfonate is a salt, anion or ester of a sulfonic acid. Its formula is R−S(=O)2−O−, containing the functional group −S(=O)2−O−...

Naphthalene-2-sulfonic acid is an organic compound with the formula C10H7SO3H. A colorless, water-soluble solid, it is often available as the mono- and...

Naphthalene-1-sulfonic acid is an organic compound with the formula C10H7SO3H. A colorless, water-soluble solid, it is often available as the dihydrate...

organosulfur compound with the formula C6H6O3S. It is the simplest aromatic sulfonic acid. It forms white deliquescent sheet crystals or a white waxy solid...

is a chemical compound having an eight-carbon fluorocarbon chain and a sulfonic acid functional group, and thus it is a perfluorosulfonic acid and a perfluoroalkyl...

capacity of 1 mEq of potassium exchanged per 1 g of resin. Polystyrene sulfonic acid, the acid whose salts are the polystyrene sulfonates, has the idealized...

Hydroxylamine-O-sulfonic acid (HOSA) or aminosulfuric acid is the inorganic compound with molecular formula H3NO4S that is formed by the sulfonation of...

carbon fluorocarbon chain that is both hydrophobic and lipophobic. Its sulfonic acid functional group imparts polarity, and allows it to interact with...

8-Anilinonaphthalene-1-sulfonic acid (ANS), also called 1-anilino-8-naphthalenesulfonate, is an organic compound containing both a sulfonic acid and an amine...

a PFAS chemical compound having a four-carbon fluorocarbon chain and a sulfonic acid functional group. It is stable and unreactive because of the strength...

food dye. It is the disodium salt of 1-(m-sulfophenylazo)-2-naphthol-6-sulfonic acid. In Europe, it was denoted by the E Number E111, but has been forbidden...

sometimes abbreviated CSA or 10-CSA is an organosulfur compound. Like typical sulfonic acids, it is a relatively strong acid that is a colorless solid at room...

Sulfanilic acid Names Preferred IUPAC name 4-Aminobenzene-1-sulfonic acid Other names 4-Aminobenzenesulfonic acid p-Aminobenzenesulfonic acid Sulfanilic...

2-Acrylamido-2-methylpropane sulfonic acid (AMPS) was a Trademark name by The Lubrizol Corporation. It is a reactive, hydrophilic, sulfonic acid acrylic monomer...

larger acid dissociation constant, Ka and a lower pKa than weaker acids. Sulfonic acids, which are organic oxyacids, are a class of strong acids. A common...

C10H6(NH2)(SO3H), being derived from naphthalene (C10H8) substituted by an amino and sulfonic acid groups. These compounds are colorless solids. They are useful precursors...

Sulfonation gives the "alpha" product naphthalene-1-sulfonic acid as the kinetic product but naphthalene-2-sulfonic acid as the thermodynamic product. The 1-isomer...

derivatives) are then sulfonated with sulfur trioxide to give the sulfonic acid. The sulfonic acid is subsequently neutralized with sodium hydroxide. The term...

an arene is replaced by a sulfonic acid (−SO2OH) functional group in an electrophilic aromatic substitution. Aryl sulfonic acids are used as detergents...

liquid water increases the amount of water molecules associated with each sulfonic acid group. The hydrophilic nature of the ionic groups attract water molecules...

hydrogen) is CH3SO2NH2. Any sulfonamide can be considered as derived from a sulfonic acid by replacing a hydroxyl group (−OH) with an amine group. In medicine...

sodium salt of acetic acid, etc.) and sodium salts of inorganic acids (sulfonic acids etc.) In pharmaceutical technology acidic pharmaceutical substances...

(substituted) ammonium groups -NR3+ (R = alkyl or H) –I nitro group -NO2 –I, –M sulfonic acids and sulfonyl groups -SO3H, -SO2R cyano group -C≡N trihalomethyl groups...

2-aminoethanesulfonic acid, is a non-proteinogenic naturally occurred amino sulfonic acid that is widely distributed in animal tissues. It is a major constituent...

Chem. Res. 40 (3): 736–742. doi:10.1021/ie000725b. Kosswig, Kurt (2000). "Sulfonic Acids, Aliphatic". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim:...

tramiprosate (INN), 3-amino-1-propanesulfonic acid, or 3-APS) is a natural sulfonic acid found in seaweed. It is analogous to taurine, but with an extra carbon...

5-amino-4-methoxy-2-toluenesulfonic acid with 6-hydroxy-2-naphthalene sulfonic acid in an azo coupling reaction. Allura Red AC is a popular dye used worldwide...

Ensulizole (INN; also known as phenylbenzimidazole sulfonic acid) is a common sunscreen agent. In 1999, the United States Food and Drug Administration...

functional group found primarily in sulfones, or a substituent obtained from a sulfonic acid by the removal of the hydroxyl group, similarly to acyl groups.: 1470–1476 ...