ES2144074T3 - Procedimiento para la fabricacion de dinitrotolueno. - Google Patents

Procedimiento para la fabricacion de dinitrotolueno.

Info

Publication number
ES2144074T3
ES2144074T3 ES95111996T ES95111996T ES2144074T3 ES 2144074 T3 ES2144074 T3 ES 2144074T3 ES 95111996 T ES95111996 T ES 95111996T ES 95111996 T ES95111996 T ES 95111996T ES 2144074 T3 ES2144074 T3 ES 2144074T3
Authority
ES
Spain
Prior art keywords
dinitrotoluene
procedure
manufacture
dinitrotoluol
toluol
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
ES95111996T
Other languages
English (en)
Inventor
Uwe Klingler
Thomas Dr Schieb
Gerhard Dr Wiechers
Jurgen Dr Zimmermann
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
Application filed by Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of ES2144074T3 publication Critical patent/ES2144074T3/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
    • 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 PRESENTE INVENCION SE REFIERE A UN PROCESO PARA LA ELABORACION EN DOS ETAPAS DE DINITROTOLUOL A PARTIR DE TOLUOL Y ACIDO NITRICO EN PRESENCIA DE ACIDO SULFURICO.
ES95111996T 1994-08-11 1995-07-31 Procedimiento para la fabricacion de dinitrotolueno. Expired - Lifetime ES2144074T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4428462A DE4428462A1 (de) 1994-08-11 1994-08-11 Verfahren zur Herstellung von Dinitrotoluol

Publications (1)

Publication Number Publication Date
ES2144074T3 true ES2144074T3 (es) 2000-06-01

Family

ID=6525455

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95111996T Expired - Lifetime ES2144074T3 (es) 1994-08-11 1995-07-31 Procedimiento para la fabricacion de dinitrotolueno.

Country Status (10)

Country Link
US (1) US5689018A (es)
EP (1) EP0696571B1 (es)
JP (1) JP3631814B2 (es)
KR (1) KR100375905B1 (es)
CN (1) CN1075054C (es)
BR (1) BR9503612A (es)
CA (1) CA2155562C (es)
DE (2) DE4428462A1 (es)
ES (1) ES2144074T3 (es)
TW (1) TW314508B (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19521614A1 (de) * 1995-06-14 1996-12-19 Bayer Ag Verfahren zur Herstellung von Dinitrotoluol
DE10055359C1 (de) * 2000-11-08 2002-03-28 Bayer Ag Kontinuierliches isothermes Verfahren zur Herstellung von Mononitrotoluolen
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
US7041858B1 (en) * 2005-02-09 2006-05-09 Bayer Materialscience Llc Process for the production of dinitrotoluene
CN100369885C (zh) * 2006-01-17 2008-02-20 甘肃银光化学工业集团有限公司 连续制备二硝基甲苯的方法及其装置
DE102006033722A1 (de) * 2006-07-21 2008-01-24 Bayer Materialscience Ag Verfahren zur Herstellung von Dinitrotoluol
CN101544567B (zh) * 2008-03-28 2012-07-25 中国科学院大连化学物理研究所 一步法合成二硝基甲苯的硝化方法
DE102018217955B4 (de) * 2018-10-19 2020-06-04 Plinke Gmbh Verfahren zur Aufarbeitung von Mischsäure und Abwasser aus der Nitrierung von Aromaten sowie Vorrichtung zur Durchführung des Verfahrens

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1333444A (fr) * 1962-09-11 1963-07-26 Ici Ltd Dinitration du toluène
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
US4367347A (en) * 1981-06-01 1983-01-04 Air Products And Chemicals, Inc. High purity 2,4-dinitrotoluene from toluene nitration process
US4453027A (en) * 1982-12-10 1984-06-05 Monsanto Company Adiabatic process for the nitration of halobenzenes
DE3409719A1 (de) * 1984-03-16 1985-09-19 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von dinitrotoluol
EP0436443B1 (en) * 1990-01-04 1996-04-17 Nrm International Technologies C.V. Nitration process
US5057632A (en) * 1990-10-22 1991-10-15 Olin Corporation Process for preparing dinitrotoluene
TW236610B (en) * 1992-11-13 1994-12-21 Bayer Ag Preparation of dinitrotoluene
DE4309140C2 (de) * 1993-03-22 2001-09-20 Bayer Ag Verfahren zur Herstellung von Dinitrotoluol

Also Published As

Publication number Publication date
DE4428462A1 (de) 1996-02-15
EP0696571A3 (de) 1998-06-10
KR960007531A (ko) 1996-03-22
DE59507681D1 (de) 2000-03-02
JP3631814B2 (ja) 2005-03-23
CA2155562C (en) 2006-11-14
EP0696571A2 (de) 1996-02-14
CN1121507A (zh) 1996-05-01
CA2155562A1 (en) 1996-02-12
JPH0859565A (ja) 1996-03-05
CN1075054C (zh) 2001-11-21
US5689018A (en) 1997-11-18
BR9503612A (pt) 1996-04-30
EP0696571B1 (de) 2000-01-26
TW314508B (es) 1997-09-01
KR100375905B1 (ko) 2003-04-21

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