CH294564A - Process for the production of a copper-containing azo dye. - Google Patents

Process for the production of a copper-containing azo dye.

Info

Publication number
CH294564A
CH294564A CH294564DA CH294564A CH 294564 A CH294564 A CH 294564A CH 294564D A CH294564D A CH 294564DA CH 294564 A CH294564 A CH 294564A
Authority
CH
Switzerland
Prior art keywords
copper
azo dye
containing azo
production
parts
Prior art date
Application number
Other languages
German (de)
Inventor
Ag Sandoz
Original Assignee
Ag Sandoz
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 Ag Sandoz filed Critical Ag Sandoz
Publication of CH294564A publication Critical patent/CH294564A/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
    • C09B45/00Complex metal compounds of azo dyes
    • C09B45/02Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
    • C09B45/24Disazo or polyazo compounds
    • C09B45/28Disazo or polyazo compounds containing copper

Landscapes

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

Description

  

  <B>Zusatzpatent</B> zum Hauptpatent Nr. 290299.    Verfahren zur Herstellung eines kupferhaltigen     Azofarbstoffes.            Gegenstand    des vorliegenden Patentes ist.  ein Verfahren zur Herstellung eines     kupfer-          haltigen        Azofarbstoffes,        welehes    darin besteht,    dass man 1     Mol    der     Aminodisazoverbindunf.,     der     Zusammensetzung     
EMI0001.0010     
         (Iiazotiert,    den     1)

  iazokörper        reit    1     Mol        Aeeto-          ,ieet;vlaininobenzol    kuppelt     und    den erhalte-         nen        Trisazofarbstoff    mit einem kupferabge  benden Mittel behandelt.

    
EMI0001.0020     
    werden in 3000 Teilen Wasser mit 15 Teilen       Natrinnilivdi-oxvd    gelöst, mit 6,9 Teilen       Natriumnitrit    versetzt und unter Kühlen in       75        Teile        30%ige        Salzsäure        gegossen.        Die        die          Diazoverbindtuig    als dunklen     Niedersehlag     enthaltende Suspension wird in eine Lösung  von 17,7 Teilen.

       Aeetoaeetylaminobenzol    und  20 Teilen     Natriumhy        droxy    d in 100 Teilen       Wasser        eingetragen    und unter Eiskühlung so  lange gerührt, bis die Kupplung beendigt ist.  



  Aus der Lösung fällt man     dureh    Zusatz  von     Natriumehlorid    den so gewonnenen       Trisazofarbstoff    aus und isoliert. ihn hierauf.  Er wird bei 80 bis 100  mit einer Lösung    aus 47,5 Teilen     Kupfersulfat,    127 Teilen         25        %        igem        Ammoniak        und        3000        Teilen        Wasser     gerührt,     bis    sieh die     Kupferkomplexverbin-          dung    des Farbstoffes gebildet hat,

   was     naeli     etwa. 7.5 Stunden der Fall ist.    Der neue     kupferhaltige        Azofarbstoff    ist  ein dunkles Pulver, das sieh in     Wasser    mit  blaugrauer Farbe löst.. Er färbt Baumwolle in  blaugrauen Tönen,     welehe    sieh     dureh        beaeh-          tenswerte    Lieht- und     W        aseheehtheit        auszeieh-          nen.       Die     Aniinodisazoverbindung    kann derart  hergestellt werden, dass     tetrazotiertes        3,

  3'-          Dimethoxy-4,4'-cliamino-1,1'-diphenyl    einer  seits mit     1,8-Dioxy        naphthalin-3,6-disulfonsäure         und anderseits mit 2-     (3'-Amino-4'-carbo-          m        ethoxy)        -benzoylamino-5-oxynaphthalin-7-sul-          fonsäure    in alkalischer Lösung gekuppelt wird.  Zu letzterer gelangt man, wenn man     2-Amino-          5-oxynaphthalin-7-sulfonsäure    in wässeriger.

    Lösung und in Gegenwart eines säurebinden  den Mittels mit     3-Nitro-4-carbomethoxy-1.-ben-          zoylchlorid    umsetzt und im     Reaktionsprodukt       anschliessend die     Nitrogruppe    zur     Amino-          gruppe    reduziert.



  <B> Additional patent </B> to main patent no. 290299. Process for the production of a copper-containing azo dye. The subject of the present patent is. a process for the preparation of a copper-containing azo dye, which consists in adding 1 mol of the aminodisazo compound., the composition
EMI0001.0010
         (Iiazotized, the 1)

  iazo bodies with 1 mol of aeeto, ieet; vlaininobenzene couple and the trisazo dye obtained is treated with a copper-releasing agent.

    
EMI0001.0020
    are dissolved in 3000 parts of water with 15 parts of Natrinnilivdi-oxvd, treated with 6.9 parts of sodium nitrite and poured into 75 parts of 30% hydrochloric acid with cooling. The suspension containing the diazo compound as a dark deposit is dissolved in a solution of 17.7 parts.

       Aeetoaeetylaminobenzol and 20 parts of sodium hydroxide entered in 100 parts of water and stirred with ice cooling until the coupling is complete.



  The trisazo dye thus obtained is precipitated from the solution by the addition of sodium chloride and isolated. him on this. It is stirred at 80 to 100 with a solution of 47.5 parts of copper sulfate, 127 parts of 25% ammonia and 3000 parts of water until the copper complex compound of the dye has formed,

   what naeli about. 7.5 hours is the case. The new copper-containing azo dye is a dark powder that dissolves in water with a blue-gray color. It dyes cotton in blue-gray tones, which are distinguished by their excellent lightness and water resistance. The Aniinodisazoverbindungen can be prepared in such a way that tetrazotized 3,

  3'-Dimethoxy-4,4'-cliamino-1,1'-diphenyl on the one hand with 1,8-dioxynaphthalene-3,6-disulfonic acid and on the other hand with 2- (3'-amino-4'-carbom ethoxy) benzoylamino-5-oxynaphthalene-7-sulphonic acid is coupled in alkaline solution. The latter can be achieved if 2-amino-5-oxynaphthalene-7-sulfonic acid is dissolved in aqueous.

    Solution and in the presence of an acid-binding agent with 3-nitro-4-carbomethoxy-1-benzoyl chloride and then reduced the nitro group to the amino group in the reaction product.

 

Claims (1)

<B>PATENTANSPRUCH:</B> Verfahren zur Herstellung eines kupfer haltigen Azofa.rbstoffes, dadurch -,#-ekenn7eieli- net, dass man 1 Mol der Aminodisa7overbin- dung der Zusammensetzung EMI0002.0022 diazotiert, den Diazokörper mit 1Mol Aceto- a.eetylaminobenzolkuppelt und den erhaltenen Trisazofarbstoff mit einem kupferabgebenden Mittel behandelt. <B> PATENT CLAIM: </B> Process for the production of a copper-containing azo dye, characterized in that one mole of the aminodisa7o compound of the composition is used EMI0002.0022 diazotized, the diazo body with 1 mol aceto-a.eetylaminobenzolkuppelt and treated the obtained trisazo dye with a copper-releasing agent. Der neue kupferhaltige Azofarbstoff ist ein dunkles Pulver, das sieh in Wasser mit blaugrauer Farbe löst.. Er färbt Baumwolle in blaugrauen Tönen, welche sieh durch beach tenswerte Licht- und Wasehechtheit aus zeichnen. The new copper-containing azo dye is a dark powder that dissolves in water with a blue-gray color. It dyes cotton in blue-gray tones, which are distinguished by their remarkable light and washfastness.
CH294564D 1951-02-17 1951-02-17 Process for the production of a copper-containing azo dye. CH294564A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH294564T 1951-02-17
CH290299T 1951-02-17

Publications (1)

Publication Number Publication Date
CH294564A true CH294564A (en) 1953-11-15

Family

ID=25732975

Family Applications (1)

Application Number Title Priority Date Filing Date
CH294564D CH294564A (en) 1951-02-17 1951-02-17 Process for the production of a copper-containing azo dye.

Country Status (1)

Country Link
CH (1) CH294564A (en)

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