Synthesis of Alizarin Red S Preparation of Alizarin Red S 25 g of alizarin and 150 g of oleum containing 20% of SO3 were ... Read more
Synthesis of taurine Preparation of taurine An equimolar mixture of monoethanolamine and 96% sulfuric acid is heated ... Read more
Synthesis of 2-methyl-5-nitrobenzene-1-sulfonic acid Preparation of 2-methyl-5-nitrobenzene-1-sulfonic acid 100 grams of p-nitrotoluene are ... Read more
Synthesis of 2-nitrophenol-4,6-disulfonic acid Preparation of 2-nitrophenol-4,6-disulfonic acid 94 grams of pure phenol is melted at 50°, and ... Read more
Synthesis of 4-amino-3-hydroxy-1-naphthalenesulfonic acid Preparation of 4-amino-3-hydroxy-1-naphthalenesulfonic acid 100 g of 2-naphhol are dissolved ... Read more
Synthesis of 4-chloro-3-nitrobenzenesulfonic acid Preparation of 4-chloro-3-nitrobenzenesulfonic acid The reaction is carried out in a ... Read more
Synthesis of 2-chloro-5-nitrobenzenesulfonic acid Preparation of 2-chloro-5-nitrobenzenesulfonic acid To a mixture of 100 grams of ... Read more
Synthesis of camphorsulfonic acid Preparation of camphorsulfonic acid 45 g of camphor are finely powdered and added to a ... Read more
Synthesis of 2-toluenesulfonyl chloride Preparation of 2-toluenesulfonyl chloride 100 g of pure toluene are slowly run into 500 g of ... Read more
Synthesis of 4-toluenesulfonyl chloride Preparation of 4-toluenesulfonyl chloride 130 g pure toluene are heated with 450 g concentrated ... Read more
Synthesis of sodium anthraquinone-2-sulfonate Preparation of sodium anthraquinone-2-sulfonate 100 g dry, finely divided anthraquinone are ... Read more
Synthesis of disodium 4,4′-dinitrostilbene-2,2′-disulfonate Preparation of disodium 4,4′-dinitrostilbene-2,2′-disulfonate 375 g oleum (25% ... Read more
Synthesis of 4-tert-butylbenzenesulfonic acid Preparation of 4-tert-butylbenzenesulfonic acid To 40 grams of tert-butylbenzene in a ... Read more
Synthesis of sodium benzenesulfonate Preparation of sodium benzenesulfonate 60 ml of benzene and 60 ml of concentrated sulfuric acid ... Read more
Synthesis of potassium ethyl sulfate Preparation of potassium ethyl sulfate To 80 ml of ethyl alcohol 20 ml of concentrated ... Read more