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IL99619A - תהליך לטיפול בדיניטרואנילינים עם סולפיט להקטנת תכולת זיהומים ולהורדתהיכולת לייצור ניטרוזאמינים - Google Patents

תהליך לטיפול בדיניטרואנילינים עם סולפיט להקטנת תכולת זיהומים ולהורדתהיכולת לייצור ניטרוזאמינים

Info

Publication number
IL99619A
IL99619A IL9961991A IL9961991A IL99619A IL 99619 A IL99619 A IL 99619A IL 9961991 A IL9961991 A IL 9961991A IL 9961991 A IL9961991 A IL 9961991A IL 99619 A IL99619 A IL 99619A
Authority
IL
Israel
Prior art keywords
dinitroaniline
sulfite
dinitroanilines
nitrosamines
impurities
Prior art date
Application number
IL9961991A
Other languages
English (en)
Original Assignee
Dowelanco
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 Dowelanco filed Critical Dowelanco
Publication of IL99619A publication Critical patent/IL99619A/he

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/82Purification; Separation; Stabilisation; Use of additives
    • C07C209/84Purification
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C211/00Compounds containing amino groups bound to a carbon skeleton
    • C07C211/43Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
    • C07C211/44Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring
    • C07C211/52Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring the carbon skeleton being further substituted by halogen atoms or by nitro or nitroso groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
IL9961991A 1990-10-02 1991-10-01 תהליך לטיפול בדיניטרואנילינים עם סולפיט להקטנת תכולת זיהומים ולהורדתהיכולת לייצור ניטרוזאמינים IL99619A (he)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/591,590 US5196585A (en) 1990-10-02 1990-10-02 Process for treating dinitroanilines with sulfite to reduce impurities and to reduce the ability to produce nitrosamines

Publications (1)

Publication Number Publication Date
IL99619A true IL99619A (he) 1995-12-31

Family

ID=24367069

Family Applications (1)

Application Number Title Priority Date Filing Date
IL9961991A IL99619A (he) 1990-10-02 1991-10-01 תהליך לטיפול בדיניטרואנילינים עם סולפיט להקטנת תכולת זיהומים ולהורדתהיכולת לייצור ניטרוזאמינים

Country Status (16)

Country Link
US (1) US5196585A (he)
EP (1) EP0479384B1 (he)
JP (1) JP2992384B2 (he)
KR (1) KR100195771B1 (he)
AT (1) ATE110053T1 (he)
AU (1) AU639141B2 (he)
BR (1) BR9104242A (he)
CA (1) CA2052560C (he)
DE (1) DE69103504T2 (he)
DK (1) DK0479384T3 (he)
ES (1) ES2059043T3 (he)
FI (1) FI107147B (he)
HU (1) HU210906B (he)
IL (1) IL99619A (he)
MX (1) MX9101401A (he)
RO (1) RO109843B1 (he)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1261259B (it) * 1993-09-13 1996-05-09 Finchimica Srl Procedimento per la preparazione di ethalfluralin
US5510534A (en) * 1995-01-04 1996-04-23 Atanor S.A. Process for reducing the nitrosamine content of herbicides
US5728881A (en) * 1997-03-05 1998-03-17 Srm Chemical, Ltd. Co. Process for preparing trifluralin
FR2760446B1 (fr) * 1997-03-07 1999-05-14 Rhodia Chimie Sa Procede de decoloration d'effluents aqueux comprenant des amines aromatiques
US6004482A (en) * 1997-12-24 1999-12-21 Bayer Corporation Stable aromatic amine composition, and a process for preparing color stable aromatic amines
US5922915A (en) * 1998-05-11 1999-07-13 Srm Chemical, Ltd., Co. Process for removing N-nitroso compounds from organo-amine compositions including dinitroaniline herbicides
CN101891634B (zh) * 2010-07-20 2013-04-03 涟水永安化工有限公司 一种二甲戊灵的提纯方法
CN102701989B (zh) * 2012-05-24 2013-11-13 山东华阳农药化工集团有限公司 二硝基苯胺类除草剂中的亚硝胺脱除方法
CN102766056B (zh) * 2012-08-13 2014-07-02 江西盾牌化工有限责任公司 一种化学除草剂仲丁灵原药含量达90±1%的制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA697087A (en) * 1964-11-03 W. Buls Vernon Decolorization process
US4139562A (en) * 1978-03-13 1979-02-13 Mitsui Toatsu Chemicals, Inc. Process for purifying crude p-aminophenol
US4440962A (en) * 1982-04-22 1984-04-03 Oxon Italia S.P.A. Process for removing nitrosating agents from 1-chloro-2,6-dinitro-4-(trifluoromethyl) benzene
US4501608A (en) * 1983-05-16 1985-02-26 Eli Lilly And Company Nitrosamine inhibition
DE3345157A1 (de) * 1983-12-14 1985-06-27 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von nitrosaminfreien n,n-disubstituierten nitroaromatischen aminen und deren stabilisierung gegen nitrosaminbildung
IT1190440B (it) * 1985-12-18 1988-02-16 Finchimica Spa Procedimento migliorato per la purificazione della trifluralina
IL78948A (en) * 1985-06-06 1991-03-10 Finchimica Srl Process for purifying crude trifluralin
AU608808B2 (en) * 1987-03-02 1991-04-18 Ici Australia Operations Proprietary Limited Process for removing impurity

Also Published As

Publication number Publication date
EP0479384B1 (en) 1994-08-17
MX9101401A (es) 1992-06-30
HU210906B (en) 1995-09-28
DE69103504T2 (de) 1994-12-08
KR920007982A (ko) 1992-05-27
EP0479384A1 (en) 1992-04-08
CA2052560A1 (en) 1992-04-03
AU8488491A (en) 1992-04-09
ES2059043T3 (es) 1994-11-01
HUT61720A (en) 1993-03-01
CA2052560C (en) 2002-04-09
DK0479384T3 (da) 1995-01-02
ATE110053T1 (de) 1994-09-15
KR100195771B1 (ko) 1999-06-15
RO109843B1 (ro) 1995-06-30
DE69103504D1 (de) 1994-09-22
AU639141B2 (en) 1993-07-15
JP2992384B2 (ja) 1999-12-20
BR9104242A (pt) 1992-06-02
US5196585A (en) 1993-03-23
FI914610A0 (fi) 1991-10-01
FI914610A (fi) 1992-04-03
FI107147B (fi) 2001-06-15
HU913133D0 (en) 1992-01-28
JPH04264059A (ja) 1992-09-18

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