SU1667358A1 - METHOD OF OBTAINING P-NITROTOLUOL-O-SULPHIDE ACIDS - Google Patents

METHOD OF OBTAINING P-NITROTOLUOL-O-SULPHIDE ACIDS

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Publication number
SU1667358A1
SU1667358A1 SU4793602/04A SU4793602A SU1667358A1 SU 1667358 A1 SU1667358 A1 SU 1667358A1 SU 4793602/04 A SU4793602/04 A SU 4793602/04A SU 4793602 A SU4793602 A SU 4793602A SU 1667358 A1 SU1667358 A1 SU 1667358A1
Authority
SU
USSR - Soviet Union
Prior art keywords
nitrotoluol
sulphide
acids
obtaining
nitrotoluene
Prior art date
Application number
SU4793602/04A
Other languages
Russian (ru)
Inventor
А.Н. Богуславский
Т.А. Онищенко
Л.И. Ломилина
Г.А. Булыгина
В.М. Теляков
А.И. Терехов
Б.Ф. Андронов
Original Assignee
Государственный Научно-Исследовательский И Проектный Институт Хлорной Промышленности С Опытным Заводом И Конструкторским Бюро
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Государственный Научно-Исследовательский И Проектный Институт Хлорной Промышленности С Опытным Заводом И Конструкторским Бюро filed Critical Государственный Научно-Исследовательский И Проектный Институт Хлорной Промышленности С Опытным Заводом И Конструкторским Бюро
Priority to SU4793602/04A priority Critical patent/SU1667358A1/en
Application granted granted Critical
Publication of SU1667358A1 publication Critical patent/SU1667358A1/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Способ получения п-нитротолуол-о-сульфокислоты сульфированием п-нитротолуола серным ангидридом в растворе жидкого сернистого ангидрида при температуре от -10 до +5C, отпаркой растворенного в реакционной массе сернистого ангидрида, гидролизом образующихся ангидридов п-нитротолуол-о-сульфокислоты и удалением непрореагировавшего п-нитротолуола, отличающийся тем, что, с целью упрощения процесса и повышения качества целевого продукта, гидролиз и удаление проводят одновременно путем обработки острым паром.The method for producing p-nitrotoluene-o-sulfonic acid by sulfonating p-nitrotoluene with sulfuric anhydride in a solution of liquid sulfuric anhydride at a temperature of from -10 to + 5C P-nitrotoluene, characterized in that, in order to simplify the process and improve the quality of the target product, hydrolysis and removal are carried out simultaneously by treatment with live steam.

SU4793602/04A 1989-12-22 1989-12-22 METHOD OF OBTAINING P-NITROTOLUOL-O-SULPHIDE ACIDS SU1667358A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU4793602/04A SU1667358A1 (en) 1989-12-22 1989-12-22 METHOD OF OBTAINING P-NITROTOLUOL-O-SULPHIDE ACIDS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU4793602/04A SU1667358A1 (en) 1989-12-22 1989-12-22 METHOD OF OBTAINING P-NITROTOLUOL-O-SULPHIDE ACIDS

Publications (1)

Publication Number Publication Date
SU1667358A1 true SU1667358A1 (en) 1999-08-10

Family

ID=60530530

Family Applications (1)

Application Number Title Priority Date Filing Date
SU4793602/04A SU1667358A1 (en) 1989-12-22 1989-12-22 METHOD OF OBTAINING P-NITROTOLUOL-O-SULPHIDE ACIDS

Country Status (1)

Country Link
SU (1) SU1667358A1 (en)

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