ES2135486T3 - Un procedimiento para preparar dinitrotolueno. - Google Patents

Un procedimiento para preparar dinitrotolueno.

Info

Publication number
ES2135486T3
ES2135486T3 ES93920409T ES93920409T ES2135486T3 ES 2135486 T3 ES2135486 T3 ES 2135486T3 ES 93920409 T ES93920409 T ES 93920409T ES 93920409 T ES93920409 T ES 93920409T ES 2135486 T3 ES2135486 T3 ES 2135486T3
Authority
ES
Spain
Prior art keywords
procedure
dinitrotoluene
nitric acid
preparing dinitrotoluene
preparing
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
ES93920409T
Other languages
English (en)
Inventor
Allen B Quakenbush
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.)
Lyondell Chemical Technology LP
Original Assignee
Arco Chemical Technology LP
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 Arco Chemical Technology LP filed Critical Arco Chemical Technology LP
Application granted granted Critical
Publication of ES2135486T3 publication Critical patent/ES2135486T3/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
    • 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
    • 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

Landscapes

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

Abstract

PROCESO PARA PREPARAR DINITROTOLUENO HACIENDO REACCIONAR TOLUENO CON ACIDO NITRICO CONCENTRADO. EL PROCESO REACCIONA TOLUENO CON UN AMPLIO EXCESO DE ACIDO NITRICO CONCENTRADO EN CONDICIONES SELECCIONADAS PARA PRODUCIR UN PRODUCTO QUE TIENE SUSTANCIALMENTE CONTENIDO DE SUBPRODUCTO REDUCIDO.
ES93920409T 1992-09-14 1993-08-30 Un procedimiento para preparar dinitrotolueno. Expired - Lifetime ES2135486T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/944,639 US5245092A (en) 1991-03-15 1992-09-14 Process for preparing dinitrotoluene with low by-product content

Publications (1)

Publication Number Publication Date
ES2135486T3 true ES2135486T3 (es) 1999-11-01

Family

ID=25481784

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93920409T Expired - Lifetime ES2135486T3 (es) 1992-09-14 1993-08-30 Un procedimiento para preparar dinitrotolueno.

Country Status (12)

Country Link
US (1) US5245092A (es)
EP (1) EP0660818B1 (es)
KR (2) KR100289593B1 (es)
CN (1) CN1053889C (es)
AU (1) AU5096293A (es)
BR (1) BR9307043A (es)
CA (1) CA2144190A1 (es)
DE (1) DE69324697T2 (es)
ES (1) ES2135486T3 (es)
RU (1) RU2100347C1 (es)
UA (1) UA27939C2 (es)
WO (1) WO1994006751A1 (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5245092A (en) * 1991-03-15 1993-09-14 Olin Corporation Process for preparing dinitrotoluene with low by-product content
BR9306554A (pt) * 1992-06-17 1998-09-15 Olin Corp Processo para nitração de tolueno para produzir dinitrotolueno e mistura de produto produzido pelo processo
DE4437047A1 (de) * 1994-10-17 1996-04-18 Bayer Ag Verfahren zur Dinitrierung von aromatischen Verbindungen
US5948944A (en) * 1998-11-18 1999-09-07 Arco Chemical Technology, L.P. Two-stage dinitrotoluene production process
CN101381311B (zh) * 2007-09-07 2013-01-30 上海睿智化学研究有限公司 5-硝基-2,4-二卤代苯酚类化合物的制备方法
CN101245010B (zh) * 2008-03-08 2011-06-29 西北师范大学 民用二硝基甲苯的制备工艺
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

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2362743A (en) * 1943-02-10 1944-11-14 Hercules Powder Co Ltd Manufacture of dinitrotoluene
US3928395A (en) * 1972-10-05 1975-12-23 Ciba Geigy Ag Process for the nitration of aromatic compounds
US3957889A (en) * 1975-05-02 1976-05-18 Air Products And Chemicals, Inc. Selective nitration of aromatic and substituted aromatic compositions
DE2521891B2 (de) * 1975-05-16 1980-02-28 Bayer Ag, 5090 Leverkusen Verfahren zum Abstoppen von Nitrierungen durch Destillation
US4804792A (en) * 1988-01-28 1989-02-14 Olin Corporation Nitration of benzene or toluene in a molten nitrate salt
US5001272A (en) * 1988-06-22 1991-03-19 Olin Corporation Process for the production of dinitrotoluene
US4918250A (en) * 1989-04-21 1990-04-17 Olin Corporation Process for the production of dinitrotoluene using an inorganic salt as a phase separation agent
US5099078A (en) * 1990-12-21 1992-03-24 Olin Corporation Process for preparing dinitrotoluene
US5099080A (en) * 1991-03-08 1992-03-24 Olin Corporation Process for preparing dinitrotoluene
US5245092A (en) * 1991-03-15 1993-09-14 Olin Corporation Process for preparing dinitrotoluene with low by-product content
US5999078A (en) * 1997-06-09 1999-12-07 Herbert; Edward Transformer and rectifier module with half-turn secondary windings

Also Published As

Publication number Publication date
CA2144190A1 (en) 1994-03-31
KR100289593B1 (ko) 2001-05-02
BR9307043A (pt) 1999-06-29
EP0660818A1 (en) 1995-07-05
CN1053889C (zh) 2000-06-28
KR950703512A (ko) 1995-09-20
EP0660818B1 (en) 1999-04-28
RU2100347C1 (ru) 1997-12-27
DE69324697T2 (de) 1999-09-16
WO1994006751A1 (en) 1994-03-31
UA27939C2 (uk) 2000-10-16
US5245092A (en) 1993-09-14
DE69324697D1 (de) 1999-06-02
EP0660818A4 (en) 1995-05-23
RU95108602A (ru) 1996-12-27
AU5096293A (en) 1994-04-12
CN1087897A (zh) 1994-06-15

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