CH142653A - Process for the preparation of a trisazo dye. - Google Patents

Process for the preparation of a trisazo dye.

Info

Publication number
CH142653A
CH142653A CH142653DA CH142653A CH 142653 A CH142653 A CH 142653A CH 142653D A CH142653D A CH 142653DA CH 142653 A CH142653 A CH 142653A
Authority
CH
Switzerland
Prior art keywords
dye
azo
preparation
trisazo dye
naphthol
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellsc Farbenindustrie
Original Assignee
Ig Farbenindustrie 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 Ig Farbenindustrie Ag filed Critical Ig Farbenindustrie Ag
Publication of CH142653A publication Critical patent/CH142653A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
    • C09B31/16—Trisazo dyes
    • C09B31/22—Trisazo dyes from a coupling component "D" containing directive hydroxyl and amino groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)

Description

  

      Zasatzpateiit    zum     Hauptpatent        --N-r.    140100.         Terfaliren    zur     l)arstelluu;    eines     Trisazofarbstoffes.            Geäenstand    der     vorlienenden        Erfinclurin     ist ein     Verfahren    zur Darstellung eines       Trisazofarbstoffes,        d@idurch    gekennzeichnet,

    dass man den     diazotierteii    Farbstoff     o-Sul-          fanilsäure-azo-1-nalihtylanün-    7     -sulfosäurc-          a        zo    - 1 -     aniino    - 2 -     nalilitoliithylätlier-    6 -     sizl        fo-          s:iiire    mit;

       p-Aniinobenzoyl-?-itmino-5-naphtol-          7-sulfosäure    in     Gegenwart        voii        Pyridin        huli-          1iell.     



  <I>Beispiel:</I>  75,1     Gewichtsteile    des     Natrittnisalzes        des     Farbstoffes     o-Sulfanilsätire-azo-l-naplityl-          amin-        7-srilfos;iur-e'-        azo-    l     -amino-        2-naphtol-          iitliyläther-6-sulfosäure    werden     diazotiert    und       niit        :

  35,8        Ge-,vichtsteilen        p-Aminobenzoyl-\3-          amino-5-naphtol-7-sulfosäiire    bei     Gegenwart     von 50     Gewichtsteilen        'N#@'asser    und 100     Ge-          wichtsteilen        PS-riclin    zum Farbstoff eiskalt,       vereinigt.       Dur in üblicher Weise isolierte     Farbstoff          1';

  irbt    auf Baumwolle     ei        ii        Blaubrün.    Er lässt  sich auf der Faser     diazotieren,    und mit     1le-          1liylliIienylpyrazolon        zii    einem echten Grün       nntwicl;eln.  



      Additional file to main patent --N-r. 140100. Terfaliren zur l) arstelluu; of a trisazo dye. Geäumstand of the present invention is a method for the preparation of a trisazo dye, characterized by,

    that one uses the diazotized dye o-sulphanilic acid-azo-1-nalihtylanün- 7 -sulfosäurc- a zo - 1 - aniino - 2 - nalilitoliithylätlier- 6 - sizl fo- s: iiire with;

       p-Aniinobenzoyl -? - itmino-5-naphthol-7-sulfonic acid in the presence of pyridine huli- 1iell.



  <I> Example: </I> 75.1 parts by weight of the sodium salt of the dye o-sulfanilsätire-azo-l-naplityl- amine- 7-srilfos; iur-e'- azo- l -amino- 2-naphthol- iitliylether- 6-sulfonic acids are diazotized and with:

  35.8 parts by weight of p-aminobenzoyl- \ 3-amino-5-naphthol-7-sulfonic acid in the presence of 50 parts by weight of N # @ 'water and 100 parts by weight of PS-riclin to form the dye ice-cold. Dye 1 'isolated in the usual way;

  irbt on cotton egg ii blue-green. It can be diazotized on the fiber and developed into a real green with 1le- 1liylliIienylpyrazolon.

Claims (1)

PATENTANSPRUCH: j'erfahren zui-DarstellunbeinesTrisazofarli- stoffes, dadurch gekennzeichnet, dass man die Diazoverbindung des sekundären Disazofarb- stoffes, o-Sulfanilsäure-azo-l-naplitylamin-7 :#ulfosäurE,-azo-1-ainino-?-naphtol;itliylätlier- (i-siil fos; PATENT CLAIM: i'erfahren zui-DarstellunbeinesTrisazofarli- fabric, characterized in that the diazo compound of the secondary disazo dye, o-sulfanilic acid-azo-1-naplitylamine-7: # sulfonic acid, -azo-1-ainino -? - naphthol; itliylätlier- (i-siil fos; iure, mit 1)- Aminobenzoyl-?-a.mino-5- nap@tol-7-su@fo@äure. in Gegenwart von Pyri- rlin kuppelt. Der Farbstoff färbt. auf Baumwolle ein Blaugriin. Er lässt sich auf der Faser diazo- tieren und mit llethylphenS,lliyrazolon zii einem echten' CTrün entwickeln. iure, with 1) - aminobenzoyl -? - a.mino-5- nap @ tol-7-su @ fo @ aure. in the presence of pyrirline. The dye stains. a blue-green on cotton. It can be diazo- tated on the fiber and developed into a real Ctrune with llethylphenS, lliyrazolon.
CH142653D 1928-08-09 1928-08-09 Process for the preparation of a trisazo dye. CH142653A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH142653T 1928-08-09
CH140100T 1928-08-09

Publications (1)

Publication Number Publication Date
CH142653A true CH142653A (en) 1930-09-30

Family

ID=25713473

Family Applications (1)

Application Number Title Priority Date Filing Date
CH142653D CH142653A (en) 1928-08-09 1928-08-09 Process for the preparation of a trisazo dye.

Country Status (1)

Country Link
CH (1) CH142653A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2434410A (en) * 1942-10-17 1948-01-13 Geigy Ag J R Trisazo dyestuffs and a process of making same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2434410A (en) * 1942-10-17 1948-01-13 Geigy Ag J R Trisazo dyestuffs and a process of making same

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