IE781430L - Nitrosamine removal from dinitroanilines. - Google Patents

Nitrosamine removal from dinitroanilines.

Info

Publication number
IE781430L
IE781430L IE781430A IE143078A IE781430L IE 781430 L IE781430 L IE 781430L IE 781430 A IE781430 A IE 781430A IE 143078 A IE143078 A IE 143078A IE 781430 L IE781430 L IE 781430L
Authority
IE
Ireland
Prior art keywords
dinitroanilines
nitrosamine removal
nitrosamine
removal
concentration
Prior art date
Application number
IE781430A
Other versions
IE47127B1 (en
Original Assignee
Lilly Co Eli
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 Lilly Co Eli filed Critical Lilly Co Eli
Publication of IE781430L publication Critical patent/IE781430L/en
Publication of IE47127B1 publication Critical patent/IE47127B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/82—Purification; Separation; Stabilisation; Use of additives
    • C07C209/84—Purification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C211/00—Compounds containing amino groups bound to a carbon skeleton
    • C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
    • C07C211/44—Compounds 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
    • C07C211/52—Compounds 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)

Abstract

Hydrochloric acid in either 20-38% concentration or gaseous form is effective is removing nitrosamines from a number of dinitroaniline herbicides.
IE1430/78A 1977-07-18 1978-07-17 Purification of dinitroanilines by removal of nitrosamine impurities IE47127B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US81655877A 1977-07-18 1977-07-18
US87883478A 1978-02-17 1978-02-17

Publications (2)

Publication Number Publication Date
IE781430L true IE781430L (en) 1979-01-18
IE47127B1 IE47127B1 (en) 1983-12-28

Family

ID=27124088

Family Applications (1)

Application Number Title Priority Date Filing Date
IE1430/78A IE47127B1 (en) 1977-07-18 1978-07-17 Purification of dinitroanilines by removal of nitrosamine impurities

Country Status (21)

Country Link
JP (1) JPS5822102B2 (en)
AR (1) AR221846A1 (en)
AU (1) AU516698B2 (en)
BG (1) BG34182A3 (en)
BR (1) BR7804599A (en)
CA (1) CA1081256A (en)
CS (1) CS203196B2 (en)
DD (1) DD137222A5 (en)
DE (1) DE2831119C2 (en)
DK (1) DK152113C (en)
ES (1) ES471821A1 (en)
FR (1) FR2398044A1 (en)
GB (1) GB1599930A (en)
HU (1) HU182483B (en)
IE (1) IE47127B1 (en)
IL (1) IL55142A (en)
IT (1) IT1097822B (en)
MX (1) MX5203E (en)
NL (1) NL189911C (en)
PL (1) PL119759B1 (en)
RO (1) RO75656A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0019281B1 (en) * 1979-05-21 1982-12-29 Hoechst Aktiengesellschaft Process for the removal of nitrozation agents from nitrated aromatic compounds
DE2926947C2 (en) * 1979-07-04 1982-03-18 Hoechst Ag, 6000 Frankfurt Process for removing nitrosating agent (s) from nitrated aromatic compounds
DE3345157A1 (en) * 1983-12-14 1985-06-27 Hoechst Ag, 6230 Frankfurt METHOD FOR PRODUCING NITROSAMINE-FREE N, N-DISUBSTITUTED NITROAROMATIC AMINES AND THEIR STABILIZATION AGAINST NITROSAMINE FORMATION
IT1195822B (en) * 1986-08-12 1988-10-27 I Pi Ci Spa TRIFLURALINE PURIFICATION PROCEDURE
IT1293450B1 (en) * 1997-07-14 1999-03-01 Finchimica Srl DINITROANILINE PURIFICATION PROCEDURE.
EP3246082B1 (en) 2015-01-07 2020-06-10 Mitsubishi Hitachi Power Systems, Ltd. Method and device for treating nitroso compound
CN109320424B (en) * 2017-07-31 2021-12-21 江苏永安化工有限公司 Method for purifying pendimethalin
CN116735760B (en) * 2023-08-16 2024-02-09 山东道可化学有限公司 Method for detecting N, N-dipropyl nitrosamine in trifluralin

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4134917A (en) * 1977-04-25 1979-01-16 American Cyanamid Company Method for the denitrosation of organic nitrosamines

Also Published As

Publication number Publication date
AR221846A1 (en) 1981-03-31
HU182483B (en) 1984-01-30
NL189911C (en) 1993-09-01
PL119759B1 (en) 1982-01-30
AU516698B2 (en) 1981-06-18
BG34182A3 (en) 1983-07-15
FR2398044B1 (en) 1980-10-31
NL7807576A (en) 1979-01-22
IT7825724A0 (en) 1978-07-14
GB1599930A (en) 1981-10-07
AU3805878A (en) 1980-01-17
ES471821A1 (en) 1979-10-01
NL189911B (en) 1993-04-01
PL208500A1 (en) 1979-07-02
DE2831119C2 (en) 1983-05-26
IE47127B1 (en) 1983-12-28
BR7804599A (en) 1979-03-20
CS203196B2 (en) 1981-02-27
IL55142A (en) 1981-06-29
IL55142A0 (en) 1978-09-29
DK319378A (en) 1979-01-19
DK152113C (en) 1988-06-20
RO75656A (en) 1981-04-20
MX5203E (en) 1983-04-25
IT1097822B (en) 1985-08-31
DE2831119A1 (en) 1979-02-08
JPS5422329A (en) 1979-02-20
CA1081256A (en) 1980-07-08
JPS5822102B2 (en) 1983-05-06
DK152113B (en) 1988-02-01
DD137222A5 (en) 1979-08-22
FR2398044A1 (en) 1979-02-16

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Legal Events

Date Code Title Description
MK9A Patent expired