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Benzenesulfonic acid (conjugate base benzenesulfonate) is an organosulfur compound with the formula C 6 H 6 O 3 S.It is the simplest aromatic sulfonic acid.It forms white deliquescent sheet crystals or a white waxy solid that is soluble in water and ethanol, slightly soluble in benzene and insoluble in nonpolar solvents like diethyl ether.
Sodium benzenesulfonate is an organic compound with the formula C 6 H 5 SO 3 Na. It is white, water-soluble solid, It is produced by the neutralization benzenesulfonic acid with sodium hydroxide. It is also a common ingredient in some detergents. The compound typically crystallizes from water as the monohydrate. [1]
In the most common route benzene is alkylated by long chain monoalkenes (e.g. dodecene) using hydrogen fluoride as a catalyst. [9] The purified dodecylbenzenes (and related derivatives) are then sulfonated with sulfur trioxide to give the sulfonic acid. [10] The sulfonic acid is subsequently neutralized with sodium hydroxide. [1]
An early method for producing phenol involved the base hydrolysis of sodium benzenesulfonate, which can be generated readily from benzene. [15] C 6 H 5 SO 3 Na + NaOH → C 6 H 5 OH + Na 2 SO 3. The conditions for this reaction are harsh, however, requiring 'fused alkali' or molten sodium hydroxide at 350 °C for benzenesulfonic acid itself. [16]
Benzenesulfonyl chloride is an organosulfur compound with the formula C 6 H 5 SO 2 Cl. It is a colourless viscous oil that dissolves in organic solvents, but reacts with compounds containing reactive N-H and O-H bonds. It is mainly used to prepare sulfonamides and sulfonate esters by reactions with amines and alcohols, respectively. [1]
Phenylsulfinic acid is an organosulfur compound with the formula C 6 H 5 SO 2 H. It is a colorless or white crystalline solid that is usually stored in the form of its sodium salt. In aqueous solution it is strongly acidic and is easily oxidized in air. Phenylsulfinic acid and its esters are chiral.
A related, updated procedure uses sodium methoxide instead of sodium hydroxide: [3] NaOCH 3 + HOC 6 H 5 → NaOC 6 H 5 + HOCH 3. Sodium phenoxide can also be produced by the "alkaline fusion" of benzenesulfonic acid, whereby the sulfonate groups are displaced by hydroxide: C 6 H 5 SO 3 Na + 2 NaOH → C 6 H 5 OH + Na 2 SO 3
Diphenyl sulfone is an organosulfur compound with the formula (C 6 H 5) 2 SO 2.It is a white solid that is soluble in organic solvents.It is used as a high temperature solvent. Such high temperature solvents are useful for processing highly rigid polymers, e.g., PEEK, which only dissolve in very hot solve