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ES2091539T3 - Procedimiento para la fabricacion de dinitrotolueno. - Google Patents

Procedimiento para la fabricacion de dinitrotolueno.

Info

Publication number
ES2091539T3
ES2091539T3 ES93117749T ES93117749T ES2091539T3 ES 2091539 T3 ES2091539 T3 ES 2091539T3 ES 93117749 T ES93117749 T ES 93117749T ES 93117749 T ES93117749 T ES 93117749T ES 2091539 T3 ES2091539 T3 ES 2091539T3
Authority
ES
Spain
Prior art keywords
reaction
dinitrotoluene
procedure
manufacture
nitruration
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 - Lifetime
Application number
ES93117749T
Other languages
English (en)
Inventor
Thomas Dr Schieb
Gerhard Dr Wiechers
Rudolf Dr Sundermann
Uwe Dr Zarnack
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.)
Bayer AG
Original Assignee
Bayer 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
Priority claimed from DE4238390A external-priority patent/DE4238390A1/de
Priority claimed from DE4309140A external-priority patent/DE4309140C2/de
Application filed by Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of ES2091539T3 publication Critical patent/ES2091539T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/08—Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/16—Separation; Purification; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/06—Compounds containing nitro groups bound to a carbon skeleton having nitro groups bound to carbon atoms of six-membered aromatic rings

Landscapes

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

Abstract

LA INVENCION SE REFIERE A UN PROCESO CONTINUO PARA LA ELABORACION DE MEZCLAS DE ISOMEROS DE DINITROTOLUOL A TRAVES DE NITRURACION DE UNA SOLA ETAPA DE TOLUOL BAJO CONDICIONES DE TEMPERATURA ADIABATICAS Y UTILIZACION DE LA ENTALPIA DE REACCION PARA LA ELIMINACION DESTILATIVA DEL AGUA DE REACCION FORMADA DURANTE LA NITRURACION.
ES93117749T 1992-11-13 1993-11-02 Procedimiento para la fabricacion de dinitrotolueno. Expired - Lifetime ES2091539T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4238390A DE4238390A1 (de) 1992-11-13 1992-11-13 Verfahren zur Herstellung von Dinitrotoluol
DE4309140A DE4309140C2 (de) 1993-03-22 1993-03-22 Verfahren zur Herstellung von Dinitrotoluol

Publications (1)

Publication Number Publication Date
ES2091539T3 true ES2091539T3 (es) 1996-11-01

Family

ID=25920435

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93117749T Expired - Lifetime ES2091539T3 (es) 1992-11-13 1993-11-02 Procedimiento para la fabricacion de dinitrotolueno.

Country Status (10)

Country Link
EP (1) EP0597361B1 (es)
JP (1) JP3461878B2 (es)
KR (1) KR100326214B1 (es)
CN (1) CN1040427C (es)
BR (1) BR9304716A (es)
CA (1) CA2102587C (es)
DE (1) DE59303857D1 (es)
ES (1) ES2091539T3 (es)
MX (1) MX9306835A (es)
TW (1) TW236610B (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4428462A1 (de) * 1994-08-11 1996-02-15 Bayer Ag Verfahren zur Herstellung von Dinitrotoluol
DE4428460A1 (de) * 1994-08-11 1996-02-15 Bayer Ag Verfahren zur Herstellung von Nitroaromaten
DE4428461A1 (de) * 1994-08-11 1996-02-15 Bayer Ag Verfahren zur Herstellung von Dinitrotoluol
DE4428459A1 (de) * 1994-08-11 1996-02-15 Bayer Ag Verfahren zur Herstellung von Dinitrotoluol
DE4437047A1 (de) * 1994-10-17 1996-04-18 Bayer Ag Verfahren zur Dinitrierung von aromatischen Verbindungen
DE19521614A1 (de) * 1995-06-14 1996-12-19 Bayer Ag Verfahren zur Herstellung von Dinitrotoluol
DE19745119A1 (de) * 1997-10-13 1999-04-15 Bayer Ag Verfahren zur Herstellung von Dinitrotoluol in adiabatischer Fahrweise
DE10307140A1 (de) * 2003-02-20 2004-09-09 Bayer Ag Verfahren zur zweistufigen Herstellung von Dinitrotoluol
US7122701B2 (en) * 2003-06-04 2006-10-17 Bayer Aktiengesellschaft Process for preparing aromatic amines
DE10345601A1 (de) * 2003-09-29 2005-05-12 Basf Ag Verfahren zur Entfernung von Nitrokresolen aus Abwasser der Mononitrotoluolherstellung und zur weiteren Verwendung des Extraktes
DE102004005913A1 (de) 2004-02-05 2005-08-25 Basf Ag Verfahren zur Herstellung von Dinitrotoluol
JP5139523B2 (ja) * 2007-06-27 2013-02-06 エイチ アール ディー コーポレーション ニトロベンゼンを製造するためのシステム及び方法
CN101445458B (zh) * 2009-01-06 2010-10-06 烟台巨力异氰酸酯有限公司 一种二硝基甲苯相分离方法
DE102010006984A1 (de) * 2010-02-05 2011-08-11 Bayer MaterialScience AG, 51373 Verfahren zur kontinuierlichen Herstellung von Nitrobenzol
CN103649044A (zh) 2011-05-24 2014-03-19 巴斯夫欧洲公司 由生物质制备聚异氰酸酯的方法
US8933262B2 (en) 2011-05-24 2015-01-13 Basf Se Process for preparing polyisocyanates from biomass
DE102017110084B4 (de) 2017-02-03 2019-07-04 Josef Meissner Gmbh & Co. Kg Verfahren und Anlage zur adiabatischen Nitrierung von Aromaten

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2256999A (en) * 1939-03-08 1941-09-23 Du Pont Nitration of organic compounds
FR1372978A (fr) * 1963-10-31 1964-09-18 Du Pont Fabrication en continu du m-dinitrobenzène
US3928475A (en) * 1974-08-09 1975-12-23 Du Pont Azeotropic nitration of benzene
US4021498A (en) * 1975-12-09 1977-05-03 American Cyanamid Company Adiabatic process for nitration of nitratable aromatic compounds
US4091042A (en) * 1977-08-19 1978-05-23 American Cyanamid Company Continuous adiabatic process for the mononitration of benzene
JPS5850211B2 (ja) * 1978-08-30 1983-11-09 三井東圧化学株式会社 ジニトロトルエンの製造方法
US5099078A (en) * 1990-12-21 1992-03-24 Olin Corporation Process for preparing dinitrotoluene

Also Published As

Publication number Publication date
CN1095707A (zh) 1994-11-30
CA2102587A1 (en) 1994-05-14
MX186144B (es) 1997-09-26
JPH07309814A (ja) 1995-11-28
KR100326214B1 (ko) 2002-11-18
MX9306835A (es) 1995-01-31
DE59303857D1 (de) 1996-10-24
KR940011433A (ko) 1994-06-21
CA2102587C (en) 2004-09-14
TW236610B (en) 1994-12-21
CN1040427C (zh) 1998-10-28
JP3461878B2 (ja) 2003-10-27
EP0597361A1 (de) 1994-05-18
BR9304716A (pt) 1994-11-01
EP0597361B1 (de) 1996-09-18

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