ES8402264A1 - Un procedimiento para la produccion de acido p-nitrotoluen-2-sulfonico. - Google Patents

Un procedimiento para la produccion de acido p-nitrotoluen-2-sulfonico.

Info

Publication number
ES8402264A1
ES8402264A1 ES518730A ES518730A ES8402264A1 ES 8402264 A1 ES8402264 A1 ES 8402264A1 ES 518730 A ES518730 A ES 518730A ES 518730 A ES518730 A ES 518730A ES 8402264 A1 ES8402264 A1 ES 8402264A1
Authority
ES
Spain
Prior art keywords
nitrotoluene
sulfonic acid
sulfuric acid
preparation
temperature
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES518730A
Other languages
English (en)
Other versions
ES518730A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of ES518730A0 publication Critical patent/ES518730A0/es
Publication of ES8402264A1 publication Critical patent/ES8402264A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PROCEDIMIENTO PARA LA PRODUCCION DE ACIDO P-NITROTOLUEN-2-SULFONICO. CONSISTE EN SULFONAR UNA MEZCLA CONSTITUIDA POR P-NITROTOLUENO, FUNDIDO, CON 0,08 A 0,33 PARTES DE ACIDO SULFURICO, EN FORMA DE ACIDO SULFURICO PROPIAMENTE TAL O EN FORMA DE UNA FUENTE DE ACIDO SULFURICO, POR PARTE DE P-NITROLUENO, CON UN 95 A UN 130 POR CIEN DE LA CANTIDAD TEORICA DE SO3 GASEOSO NECESARIO PARA EL P-NITROLUENO, A UNA TEMPERATURA COMPRENDIDA ENTRE 44 Y 180. LA MEZCLA REACCIONAL HA DE MANTENERSE DENTRO DE UN INTERVALO DE TEMPERATURA COMPRENDIDO ENTRE 75 Y 150 GRADOS Y DURANTE EL TIEMPO SUFICIENTE PARA COMPLETAR DICHA REACCION. DE APLICACION COMO INTERMEDIARIO PRIMARIO EN LA FABRICACION DE ACLARADORES DEL TIPO DEL CLORURO CIANURICO. A
ES518730A 1981-12-31 1982-12-30 Un procedimiento para la produccion de acido p-nitrotoluen-2-sulfonico. Expired ES8402264A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33615081A 1981-12-31 1981-12-31

Publications (2)

Publication Number Publication Date
ES518730A0 ES518730A0 (es) 1984-02-01
ES8402264A1 true ES8402264A1 (es) 1984-02-01

Family

ID=23314800

Family Applications (1)

Application Number Title Priority Date Filing Date
ES518730A Expired ES8402264A1 (es) 1981-12-31 1982-12-30 Un procedimiento para la produccion de acido p-nitrotoluen-2-sulfonico.

Country Status (6)

Country Link
EP (1) EP0083555B1 (es)
JP (2) JPS58118555A (es)
BR (1) BR8207623A (es)
DE (1) DE3263947D1 (es)
ES (1) ES8402264A1 (es)
MX (1) MX156980A (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3463264D1 (en) * 1983-11-28 1987-05-27 Ciba Geigy Ag Process for the preparation of 4-nitrotoluene-2-sulfonic acid
JPH0765506B2 (ja) * 1987-09-30 1995-07-19 株式会社日立製作所 自動車用電子制御装置
JPH05194363A (ja) * 1992-01-14 1993-08-03 Nissan Chem Ind Ltd ２−メチル−５−ニトロベンゼンスルフォン酸及びそのソーダ塩の製造方法
DE4311373A1 (de) * 1993-04-06 1994-10-13 Oekologische Sanierungs Und En Verfahren zur Herstellung von 4-Nitrotoluen-2-sulfonsäure
JP2010047673A (ja) * 2008-08-20 2010-03-04 Kaneka Corp 架橋性シリル基含有（メタ）アクリル酸エステル系重合体、架橋性シリル基含有（メタ）アクリル酸エステル系重合体の製造方法、および硬化性組成物

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3492342A (en) * 1966-11-21 1970-01-27 Allied Chem Sulfonation of nitro compounds
CH478772A (de) * 1967-03-09 1969-09-30 Geigy Ag J R Verfahren zur Herstellung von Nitroaromat-sulfonsäuren
JPS554357A (en) * 1978-06-27 1980-01-12 Nisso Kinzoku Kagaku Kk Preparation of high-grade p-nitrotoluenesulfonic acid
DE2916912A1 (de) * 1979-04-26 1980-11-06 Bayer Ag Verfahren zur herstellung von 4-nitrotoluol-2-sulfonsaeure
ATE3974T1 (de) * 1979-06-08 1983-07-15 Ciba-Geigy Ag Verfahren zur herstellung von 4,4'-dinitrostilben-2,2'-disulfonsaeure und deren salzen und deren verwendung.

Also Published As

Publication number Publication date
ES518730A0 (es) 1984-02-01
JPS58118555A (ja) 1983-07-14
JPH0480900B2 (es) 1992-12-21
BR8207623A (pt) 1983-10-25
EP0083555A1 (de) 1983-07-13
JPH0649675B2 (ja) 1994-06-29
EP0083555B1 (de) 1985-05-29
DE3263947D1 (en) 1985-07-04
JPH0558987A (ja) 1993-03-09
MX156980A (es) 1988-10-18

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