HUT52042A - Process for producing p-phenol-sulfonic acid
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Process for producing p-phenol-sulfonic acid
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Publication number
HUT52042A
HUT52042AHU142388AHU142388AHUT52042AHU T52042 AHUT52042 AHU T52042AHU 142388 AHU142388 AHU 142388AHU 142388 AHU142388 AHU 142388AHU T52042 AHUT52042 AHU T52042A
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Application filed by Mikrokemia Ipari KisszoevetkezfiledCriticalMikrokemia Ipari Kisszoevetkez
Priority to HU142388ApriorityCriticalpatent/HUT52042A/en
Publication of HUT52042ApublicationCriticalpatent/HUT52042A/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
p-phenol-sulphonic acid is prepd from phenol and 6U-90 pref 70-80% sulphuric acid at constant ratio of 1:1.0-1.1 phenol to sulphuric acid at 90-110 pref 95-100 deg.C temp, in less than 8, pref 2-5 hrs. To counteract dilution by water produced, steam is continuously removed by stream of inert gas; raised reaction temp above 100 deg.C pref 120 deg.C; or reduced pressure. - (1pp)
HU142388A1988-03-221988-03-22Process for producing p-phenol-sulfonic acid
HUT52042A
(en)