RU95108602A - Способ получения динитротолуола - Google Patents

Способ получения динитротолуола

Info

Publication number
RU95108602A
RU95108602A RU95108602/04A RU95108602A RU95108602A RU 95108602 A RU95108602 A RU 95108602A RU 95108602/04 A RU95108602/04 A RU 95108602/04A RU 95108602 A RU95108602 A RU 95108602A RU 95108602 A RU95108602 A RU 95108602A
Authority
RU
Russia
Prior art keywords
nitric acid
dinitrotoluene
concentrated nitric
production
products
Prior art date
Application number
RU95108602/04A
Other languages
English (en)
Other versions
RU2100347C1 (ru
Inventor
Б.Квокенбуш Аллан
Us]
Original Assignee
Олин Корпорейшн (US)
Олин Корпорейшн
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 Олин Корпорейшн (US), Олин Корпорейшн filed Critical Олин Корпорейшн (US)
Publication of RU95108602A publication Critical patent/RU95108602A/ru
Application granted granted Critical
Publication of RU2100347C1 publication Critical patent/RU2100347C1/ru

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

Abstract

Способ получения динитротолуола реакцией толуола с концентрированной азотной кислотой включает реакцию толуола с большим избытком концентрированной азотной кислоты при определенных условиях для получения продукта, который имеет значительно уменьшенное содержание побочных продуктов.

Claims (1)

  1. Способ получения динитротолуола реакцией толуола с концентрированной азотной кислотой включает реакцию толуола с большим избытком концентрированной азотной кислоты при определенных условиях для получения продукта, который имеет значительно уменьшенное содержание побочных продуктов.
RU9595108602A 1992-09-14 1993-08-30 Способ получения динитротолуола RU2100347C1 (ru)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US944,639 1978-09-21
US07/944,639 US5245092A (en) 1991-03-15 1992-09-14 Process for preparing dinitrotoluene with low by-product content
US944639 1992-09-14
PCT/US1993/008135 WO1994006751A1 (en) 1992-09-14 1993-08-30 A process for preparing dinitrotoluene

Publications (2)

Publication Number Publication Date
RU95108602A true RU95108602A (ru) 1996-12-27
RU2100347C1 RU2100347C1 (ru) 1997-12-27

Family

ID=25481784

Family Applications (1)

Application Number Title Priority Date Filing Date
RU9595108602A RU2100347C1 (ru) 1992-09-14 1993-08-30 Способ получения динитротолуола

Country Status (12)

Country Link
US (1) US5245092A (ru)
EP (1) EP0660818B1 (ru)
KR (2) KR950703512A (ru)
CN (1) CN1053889C (ru)
AU (1) AU5096293A (ru)
BR (1) BR9307043A (ru)
CA (1) CA2144190A1 (ru)
DE (1) DE69324697T2 (ru)
ES (1) ES2135486T3 (ru)
RU (1) RU2100347C1 (ru)
UA (1) UA27939C2 (ru)
WO (1) WO1994006751A1 (ru)

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
DE69324697D1 (de) 1999-06-02
ES2135486T3 (es) 1999-11-01
AU5096293A (en) 1994-04-12
EP0660818A4 (en) 1995-05-23
BR9307043A (pt) 1999-06-29
US5245092A (en) 1993-09-14
WO1994006751A1 (en) 1994-03-31
CN1087897A (zh) 1994-06-15
EP0660818B1 (en) 1999-04-28
UA27939C2 (ru) 2000-10-16
CN1053889C (zh) 2000-06-28
KR950703512A (ko) 1995-09-20
CA2144190A1 (en) 1994-03-31
KR100289593B1 (ko) 2001-05-02
EP0660818A1 (en) 1995-07-05
DE69324697T2 (de) 1999-09-16
RU2100347C1 (ru) 1997-12-27

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