BR9907000A - Sìntese de ácido fosfonometiliminodiacético com efluente reduzido - Google Patents

Sìntese de ácido fosfonometiliminodiacético com efluente reduzido

Info

Publication number
BR9907000A
BR9907000A BR9907000-6A BR9907000A BR9907000A BR 9907000 A BR9907000 A BR 9907000A BR 9907000 A BR9907000 A BR 9907000A BR 9907000 A BR9907000 A BR 9907000A
Authority
BR
Brazil
Prior art keywords
ida
acid
salt
synthesis
reduced effluent
Prior art date
Application number
BR9907000-6A
Other languages
English (en)
Inventor
Barry A Cullen
Original Assignee
Hampshire Chemical Corp
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 Hampshire Chemical Corp filed Critical Hampshire Chemical Corp
Publication of BR9907000A publication Critical patent/BR9907000A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic System
    • C07F9/02—Phosphorus compounds
    • C07F9/28—Phosphorus compounds with one or more P—C bonds
    • C07F9/38—Phosphonic acids RP(=O)(OH)2; Thiophosphonic acids, i.e. RP(=X)(XH)2 (X = S, Se)
    • C07F9/3804—Phosphonic acids RP(=O)(OH)2; Thiophosphonic acids, i.e. RP(=X)(XH)2 (X = S, Se) not used, see subgroups
    • C07F9/3808—Acyclic saturated acids which can have further substituents on alkyl
    • C07F9/3813—N-Phosphonomethylglycine; Salts or complexes thereof

Abstract

"SìNTESE DE áCIDO FOSFONOMETILIMINODIACéTICO COM EFLUENTE REDUZIDO". Um processo para a preparação de fosfonometilglicina em altos rendimentos é descrito. De acordo com o processo da presente invenção, IDA de metal alcalino, tal como IDA dissódico, é reagido com um ácido mineral forte, tal como HCl, para converter o sal de IDA em IDA. O IDA é depois convertido em sal de fosfito de IDA por meio da adição de ácido fosforoso, e o sal de metal alcalino do ácido forte é precipitado. O sal de fosfito de IDA é fosfonometilado, tal como por adição de PCl~ 3~ e formaldeído. Opcionalmente, o tricloreto de fósforo pode ser hidrolisado para proporcionar a fonte de ácido fosforoso para a fosfonometilação do sal de fosfito.
BR9907000-6A 1998-09-08 1999-09-01 Sìntese de ácido fosfonometiliminodiacético com efluente reduzido BR9907000A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9949098P 1998-09-08 1998-09-08
PCT/US1999/020040 WO2000014093A1 (en) 1998-09-08 1999-09-01 Synthesis of phosphonomethyliminodiacetic acid with reduced effluent

Publications (1)

Publication Number Publication Date
BR9907000A true BR9907000A (pt) 2000-09-26

Family

ID=22275265

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9907000-6A BR9907000A (pt) 1998-09-08 1999-09-01 Sìntese de ácido fosfonometiliminodiacético com efluente reduzido

Country Status (4)

Country Link
US (1) US6118022A (pt)
AU (1) AU6024599A (pt)
BR (1) BR9907000A (pt)
WO (1) WO2000014093A1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IES980552A2 (en) 1998-07-09 1999-08-11 Agritech Chemical Ltd Improved process for preparing N-phosphonomethyl iminodiacetic acid
DE19909200C1 (de) * 1999-03-03 2000-03-09 Sueddeutsche Kalkstickstoff Verfahren zur Herstellung von N-Phosphonomethyliminodiessigsäure
US7084298B2 (en) 2001-01-12 2006-08-01 Basf Aktiengesellschaft Method for producing n-phosphonomethyl iminodiacetic acid
US6641741B2 (en) * 2001-04-13 2003-11-04 Dow Agrosciences Llc Removal and recovery of chloride from phosphonomethyliminodiacetic acid process brine
MX2007013236A (es) 2005-04-25 2008-01-24 Monsanto Technology Llc Alteracion de la distribucion de tamanos de cristales de acido n-(fosfonometil) imindiacetico para filtracion y calidad del producto mejoradas.
CN100400543C (zh) * 2006-09-08 2008-07-09 四川贝尔实业有限责任公司 亚氨基二乙腈水解制备双甘膦的方法
RU2694047C2 (ru) 2012-07-17 2019-07-09 МОНСАНТО ТЕКНОЛОДЖИ ЭлЭлСи Способ синтеза аминоалкиленфосфоновой кислоты
EP2875038A1 (en) 2012-07-17 2015-05-27 Straitmark Holding AG Method for the synthesis of n-phosphonomethyliminodiacetic acid
EP2875037B1 (en) 2012-07-17 2016-09-07 Straitmark Holding AG Method for the synthesis of n-(phosphonomethyl)glycine
RU2674022C9 (ru) 2012-07-17 2019-01-24 МОНСАНТО ТЕКНОЛОДЖИ ЭлЭлСи Способ синтеза альфа-аминоалкиленфосфоновой кислоты
CN103665035B (zh) * 2013-12-11 2016-08-17 鹤壁市农林制药有限公司 一种草甘膦母液的处理方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2895989A (en) * 1956-06-22 1959-07-21 Dow Chemical Co Method for the preparation of iminodiacetic acid
US4002672A (en) * 1972-03-22 1977-01-11 Monsanto Company Process for producing N-phosphonomethyl glycine
US3954848A (en) * 1972-05-31 1976-05-04 Monsanto Company Process for producing N-phosphonomethyl glycine
US3950402A (en) * 1972-05-31 1976-04-13 Monsanto Company Process for producing N-phosphonomethyl glycine
US3808269A (en) * 1972-12-29 1974-04-30 Grace W R & Co Process for recovering iminodiacetic acid from sodium sulfate solutions
US3969398A (en) * 1974-05-01 1976-07-13 Monsanto Company Process for producing N-phosphonomethyl glycine
MX4703E (es) * 1976-12-20 1982-08-04 Monsanto Co Procedimiento mejorado para la preparacion de mono y disales de n-fosfonometilglicina
US4724103A (en) * 1984-02-27 1988-02-09 Monsanto Company Process for preparing N,N-diacetic acid aminomethylenephosphonic acid
US4775498A (en) * 1984-12-05 1988-10-04 Monsanto Company Process for preparing N,N-diacetic acid aminomethylenephosphonic acid
US4579689A (en) * 1985-02-11 1986-04-01 Monsanto Company Oxidation with coated catalyst
US4582650A (en) * 1985-02-11 1986-04-15 Monsanto Company Oxidation with encapsulated co-catalyst
US4696772A (en) * 1985-02-28 1987-09-29 Monsanto Company Amine oxidation using carbon catalyst having oxides removed from surface
HU200780B (en) * 1988-02-08 1990-08-28 Nitrokemia Ipartelepek Process for producing n-phosphonomethyl iminodiacetic acid from double salt of iminodiacetic acid
US4898972A (en) * 1988-09-26 1990-02-06 Monsanto Company Process for producing N-phosphonomethylglycine
ES2021229A6 (es) * 1990-03-12 1991-10-16 Ercros Sa Perfeccionamientos introducidos en un procedimiento de obtencion de n-fosfonometilglicina por oxidacion de n-fosfonometiliminodiacetico.
US5095140A (en) * 1990-06-25 1992-03-10 Monsanto Company Peroxide process for producing N-phosphonomethylglycine
GB9300641D0 (en) * 1993-01-14 1993-03-03 Zeneca Ltd Process
US5312973A (en) * 1993-03-25 1994-05-17 Finchimica S.P.A. Process for producing n-phosphono-methyl-imino-diacetic acid
US6365772B1 (en) * 1995-05-30 2002-04-02 Hampshire Chemical Corp. Facile synthesis of phosphonomethylglycine from phosphonomethyliminodiacetic acid
BR9609090A (pt) * 1995-06-07 1999-06-29 Monsanto Co Processo para preparar ácidon n-fosfonometiliminodiacético

Also Published As

Publication number Publication date
US6118022A (en) 2000-09-12
AU6024599A (en) 2000-03-27
WO2000014093A1 (en) 2000-03-16

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]