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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.
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 .
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]
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
reduction of 1-nitroonaphthalene-8-sulfonic acid, precursor to C.I. Acid Blue 113 Notes: Peri-acid dehydrates to the sultam . Via the Bucherer reaction , heating periacid with anilinium salts gives the N-phenyl derivative, precursor to Acid Blue 113.
The compound is prepared by the chlorsulfonation of benzene: C 6 H 6 + 2SHO 3 SCl → C 6 H 5 SO 2 Cl + HCl + SO 3. Benzenesulfonic acid is an intermediate in this conversion. Diphenylsulfone is a side product. Benzenesulfonyl chloride can also be prepared by treating benzenesulfonate salts with phosphorus oxychloride. [2]
Trinitrobenzenesulfonic acid (C 6 H 3 N 3 O 9 S) is a nitroaryl oxidizing acid. Due to its extreme oxidative properties, if mixed with reducing agents including hydrides , sulfides , and nitrides , it may begin a vigorous reaction that culminates in almost immediate detonation.