CH248707A - Process for the preparation of a trisazo dye. - Google Patents

Process for the preparation of a trisazo dye.

Info

Publication number
CH248707A
CH248707A CH248707DA CH248707A CH 248707 A CH248707 A CH 248707A CH 248707D A CH248707D A CH 248707DA CH 248707 A CH248707 A CH 248707A
Authority
CH
Switzerland
Prior art keywords
mol
weight
parts
dye
sodium
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellschaft Ciba
Original Assignee
Ciba Geigy
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 Ciba Geigy filed Critical Ciba Geigy
Publication of CH248707A publication Critical patent/CH248707A/en

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Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B43/00Preparation of azo dyes from other azo compounds
    • C09B43/12Preparation of azo dyes from other azo compounds by acylation of amino groups
    • C09B43/136Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents
    • C09B43/16Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents linking amino-azo or cyanuric acid residues

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

Description

  

      Zusatzpatent    zum Hauptpatent Nr. 244053.    Verfahren zur Herstellung eines     Trisazofarbatoffes.       Gegenstand des vorliegenden Zusatz  patentes ist ein Verfahren zur Herstellung  eines     Trisazofarbatoffes,    dadurch gekenn-    zeichnet, dass der     diazotierte        Disazofarbstoff     der Formel  
EMI0001.0006     
    mit dem     ternären        Triazinkondensationspro-          dukt    aus 1     Mol        Cyanurchlorid,    1     Mol    2  Amino-5-oxynaplithalin-7-sulfonsäure,

   1     Mol          1-Aminobenzol-3-sulfonsäure    und 1     Mol        1-          Aminobenzol    in alkalischer Lösung     vereinigt     wird.  



  Der neue Farbstoff bildet ein dunkles  Pulver, das Baumwolle in schwach alkali  schem Bade bei Gegenwart von Kupfersulfat  und weinsaurem Natrium in waschechten  grauen Tönen färbt.         Beispiel:     15,3     Gew.-Teile        1-Amino-3-ca.rboxy-4-          oxybenzol    werden in üblicher     Weise        diazo-          t.iert    und bei     Gegenwart    von     Natriumacetat     mit 22,3     Gew.-Teilen        1-Naphthylamin-7-sul-          fonsäure,

      die als     Natriumsalz    in 200     Gew.-          Teilen    Wasser gelöst wurden, bei 0  gekup  pelt. Der sich abscheidende     Alonoazofarbstoff     wird dann mit wässeriger Natronlauge in  Lösung gebracht, mit 6,9     Gew.-Teilen    Na,       triumnitrit    in 25%iger     Lösung    versetzt und  das Gemisch zu einer     Mischung    von 200         Gew.-Teilen    Eiswasser und 50     Gew.-Teilen          konz.    Salzsäure zulaufen gelassen.

   Ist die       Diazotierung,    die bei 0-5  durchgeführt  wird, beendet, so     wird        die    mittels Kochsalz  abgeschiedene     Diazoverbindung    abgesaugt  und mit 14,3     Gew.-Teflen        1-Naphthylamin,     die in 12     Gew.-Teilen        konz.    Salzsäure und  150     Gew.-Teilen    warmem Wasser gelöst  wurden,

       vereinigt.    Während der Kupplung  werden 20     Gew.-Teile        Natriumacetat    einge  streut und das Produkt nach einiger Zeit mit  Kochsalz     abgeschieden.    Es wird mit     etwas     Natronlauge in     Lösung    gebracht, mit 6,

  9       Gew.-Teilen        Natriumnitrit    in 25%iger Lö  sung versetzt und dieses     Gemisch    mit einer  Mischung von 200     Gew.-Teilen    Eiswasser  und 50     Gew.-Teilen        konz.    Salzsäure bei 15   weiter     diazotiert.    Die abgesaugte     Diazover-          bindung        wird    alsdann mit 58     Gew.-Teilen     des in     bekannter        Weise        hergestellten        Triazin-          kondensationsproduktes    

  aus 1     Mol        Cyanur-          chlorid,    1     Mol        2-Amino-5-oxynaphthalin-7-,          sulfonsäure,    1     Mol    1-Aminobenzol-3-sulfon-      säure und 1     Mol    Anilin in     natriumcarbonat-          alkalischer    Lösung     vereinigt.    Nach beendeter  Kupplung wird der Farbstoff abgeschieden  und getrocknet.



      Additional patent to main patent No. 244053. Process for the production of a trisazo carbate. The subject of the present additional patent is a process for the preparation of a trisazo carbate, characterized in that the diazotized disazo dye of the formula
EMI0001.0006
    with the ternary triazine condensation product of 1 mol of cyanuric chloride, 1 mol of 2-amino-5-oxynaplithalin-7-sulfonic acid,

   1 mol of 1-aminobenzene-3-sulfonic acid and 1 mol of 1-aminobenzene are combined in an alkaline solution.



  The new dye forms a dark powder that dyes cotton in a weakly alkaline bath in the presence of copper sulfate and tartrate of sodium in washfast gray tones. Example: 15.3 parts by weight of 1-amino-3-approx .rboxy-4-oxybenzene are diazo-t.iert in the usual way and in the presence of sodium acetate with 22.3 parts by weight of 1-naphthylamine-7- sulphonic acid,

      which were dissolved as the sodium salt in 200 parts by weight of water, kup pelt at 0. The alonoazo dye which separates out is then brought into solution with aqueous sodium hydroxide solution, 6.9 parts by weight of sodium trium nitrite in 25% solution are added and the mixture is added to a mixture of 200 parts by weight of ice water and 50 parts by weight of conc . Allowed hydrochloric acid to run in.

   When the diazotization, which is carried out at 0-5, has ended, the diazo compound deposited by means of sodium chloride is filtered off with suction and treated with 14.3 parts by weight of 1-naphthylamine, which is concentrated in 12 parts by weight. Hydrochloric acid and 150 parts by weight of warm water were dissolved,

       united. During the coupling, 20 parts by weight of sodium acetate are sprinkled in and the product is deposited after some time with sodium chloride. It is brought into solution with a little sodium hydroxide solution, with 6,

  9 parts by weight of sodium nitrite in 25% solution are added and this mixture with a mixture of 200 parts by weight of ice water and 50 parts by weight of conc. Hydrochloric acid further diazotized at 15. The suctioned off diazo compound is then mixed with 58 parts by weight of the triazine condensation product prepared in a known manner

  of 1 mole of cyanuric chloride, 1 mole of 2-amino-5-oxynaphthalene-7-, sulfonic acid, 1 mole of 1-aminobenzene-3-sulfonic acid and 1 mole of aniline are combined in a sodium carbonate-alkaline solution. When the coupling is complete, the dye is deposited and dried.

 

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines Trisazo- farbstoffes, dadurch gekennzeichnet, dass der diazotierte Disazofarbstoff der Formel EMI0002.0010 mit dem Lernären Triazinkondensationspro- dukt aus 1 Mol Cyanurchlorid, 1 Mol 2- Amino,5-ogynaphthalin-7-sulfonsäure, PATENT CLAIM: Process for the production of a trisazo dye, characterized in that the diazotized disazo dye of the formula EMI0002.0010 with the learning triazine condensation product from 1 mol of cyanuric chloride, 1 mol of 2-amino, 5-ogynaphthalene-7-sulfonic acid, 1 Mol 1-Aminobenzol-3-sulfonsäure und 1 Mol 1- Aminobenzol in alkalischer Lösung vereinigt wird. Der neue Farbstoff bildet ein dunkles Pulver, das Baumwolle in schwach alkaIi- schem Bade bei Gegenwart von Kupfersulfat und weinsaurem Natrium in waschechten grauen Tönen färbt. 1 mol of 1-aminobenzene-3-sulfonic acid and 1 mol of 1-aminobenzene are combined in an alkaline solution. The new dye forms a dark powder that dyes cotton in a weakly alkaline bath in the presence of copper sulfate and tartrate of sodium in washfast gray tones.
CH248707D 1945-06-21 1945-06-21 Process for the preparation of a trisazo dye. CH248707A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH248707T 1945-06-21
CH244053T 1945-06-21

Publications (1)

Publication Number Publication Date
CH248707A true CH248707A (en) 1947-05-15

Family

ID=25728904

Family Applications (1)

Application Number Title Priority Date Filing Date
CH248707D CH248707A (en) 1945-06-21 1945-06-21 Process for the preparation of a trisazo dye.

Country Status (1)

Country Link
CH (1) CH248707A (en)

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