CH294233A - Process for the preparation of a copper-containing disazo dye. - Google Patents

Process for the preparation of a copper-containing disazo dye.

Info

Publication number
CH294233A
CH294233A CH294233DA CH294233A CH 294233 A CH294233 A CH 294233A CH 294233D A CH294233D A CH 294233DA CH 294233 A CH294233 A CH 294233A
Authority
CH
Switzerland
Prior art keywords
copper
disazo dye
preparation
parts
containing disazo
Prior art date
Application number
Other languages
German (de)
Inventor
Ag J R Geigy
Original Assignee
Ag J R 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 Ag J R Geigy filed Critical Ag J R Geigy
Publication of CH294233A publication Critical patent/CH294233A/en

Links

Landscapes

  • Coloring (AREA)

Description

  

  verfahren     zur    Herstellung     eines        kupferhaltigen        Disazofarbstoffes.       Gegenstand vorliegenden Patentes ist ein  Verfahren zur Herstellung eines kupferhal  tigen     Disazofarbstoffes.    Das Verfahren ist da  durch gekennzeichnet, dass man 1     Mol    tetrazo-  
EMI0001.0007     
    kuppelt und den erhaltenen     Disazofarbstoff     mit kupferabgebenden     Mitteln    behandelt.  



  Der erhaltene neue Farbstoff stellt ein  dunkles Pulver dar, das sich in Wasser mit  blauer Farbe löst, und     Cellulosefasern    in leb  haften blauen Tönen färbt.  
EMI0001.0011     
    zulaufen gelassen und bis zur Beendigung der  Kupplung verrührt. Der     Disazofarbstoff    wird  in 2500 Teilen Wasser bei 80-85  gelöst und  bei dieser Temperatur 400 Teile einer Kupfer  oxydammoniaklösung, die 50 Teile     krist.    Kup  fersulfat und 120 Teile     konz.        wässrigen    Ammo  niak enthält., zugefügt.

   Es wird 4 bis 5 Stun  den auf 80 bis 85  erhitzt und nach Zufügen  von weiteren 50 Teilen einer     konz.    Ammoniak  lösung 15 bis 20 Stunden auf 90 bis 95  er-         tiertes        4,4'-Diamino-3,3'-dimethoxy-diphenyl    in  beliebiger Reihenfolge nacheinander mit 1     Mol          l.-Oxy-naphthalin-3,8-disulfonsäure    und     1-,Nlol     der Verbindung    <I>Beispiel:

  </I>  Zu der     Zwisehenverbindung    aus 24,4 Tei  len     tetrazotiertem        o-Dianisidin    und 30,4 Tei  len     1-Oxy-naphthalin-3,8-disulfonsäure    wird  eine     ammoniakalische    Lösung, enthaltend 43,2  'feile der folgenden Verbindung         hitzt.    Der gebildete Kupferkomplex wird mit  Kochsalz ausgefällt, filtriert und getrocknet.  Er stellt. ein dunkles Pulver dar, das sich in       Wasser    mit blauer Farbe löst und     Cellulose-          fasern    in lebhaften blauen Tönen von sehr  guter Wasser- und Lichtechtheit färbt.



  process for the production of a copper-containing disazo dye. The present patent is a process for the preparation of a kupferhal term disazo dye. The process is characterized in that 1 mol of tetrazo-
EMI0001.0007
    coupled and treated the disazo dye obtained with copper donating agents.



  The new dye obtained is a dark powder which dissolves in water with a blue color and dyes cellulose fibers in vivid blue tones.
EMI0001.0011
    allowed to run in and stirred until the coupling is complete. The disazo dye is dissolved in 2500 parts of water at 80-85 and at this temperature 400 parts of a copper oxide ammonia solution containing 50 parts of crystalline. Copper sulfate and 120 parts of conc. aqueous ammonia contains., added.

   It is heated for 4 to 5 hours to 80 to 85 and after adding another 50 parts of a conc. Ammonia solution for 15 to 20 hours to 90 to 95 eroded 4,4'-diamino-3,3'-dimethoxy-diphenyl in any order one after the other with 1 mol of l.-oxynaphthalene-3,8-disulfonic acid and 1- , Nlol of the connection <I> Example:

  An ammoniacal solution containing 43.2 parts of the following compound is heated to the intermediate compound of 24.4 parts of tetrazotized o-dianisidine and 30.4 parts of 1-oxynaphthalene-3,8-disulphonic acid. The copper complex formed is precipitated with common salt, filtered and dried. Created. a dark powder that dissolves in water with a blue color and dyes cellulose fibers in vivid blue tones of very good water and lightfastness.

 

Claims (1)

PATENTANSPRUCH: Verfahren mir Herstellung eines kupfer haltigen Disazofarbstoffes, dadurch gekenn- zeichnet, dass man 1 1 1 tetrazotiertes 4,4'- Diamino-3,3'-dimethoxy-diphenyl in beliebiger Reihenfolge nacheinander mit 1 Mol 1-Oxy- EMI0002.0005 kuppelt und den erhaltenen Disazofarbstoff mit kupferabgebenden Mitteln behandelt.. PATENT CLAIM: A process with the production of a copper-containing disazo dye, characterized in that 1 1 1 of tetrazotized 4,4'-diamino-3,3'-dimethoxy-diphenyl is successively mixed with 1 mole of 1-oxy- EMI0002.0005 coupled and treated the disazo dye obtained with copper donating agents .. Der erhaltene neue Farbstoff stellt ein dunkles Pulver dar, das sich in Wasser mit naphthalin-3,8-disulfonsäure und 1. llol der Verbindung blauer Farbe löst und Cellulosefasern in leb haften blauen Tönen färbt. The new dye obtained is a dark powder which dissolves in water with naphthalene-3,8-disulphonic acid and 1. llol of the compound blue color and dyes cellulose fibers in vivid blue tones.
CH294233D 1951-02-07 1951-02-07 Process for the preparation of a copper-containing disazo dye. CH294233A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH294233T 1951-02-07
CH291510T 1951-02-07

Publications (1)

Publication Number Publication Date
CH294233A true CH294233A (en) 1953-10-31

Family

ID=25733114

Family Applications (1)

Application Number Title Priority Date Filing Date
CH294233D CH294233A (en) 1951-02-07 1951-02-07 Process for the preparation of a copper-containing disazo dye.

Country Status (1)

Country Link
CH (1) CH294233A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5225545A (en) * 1991-05-15 1993-07-06 Ciba-Geigy Corporation Disazo dyes containing a 1-hydroxy-3-sulfo-acylaminophenyl-amino-naphthalene coupling component

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5225545A (en) * 1991-05-15 1993-07-06 Ciba-Geigy Corporation Disazo dyes containing a 1-hydroxy-3-sulfo-acylaminophenyl-amino-naphthalene coupling component

Similar Documents

Publication Publication Date Title
CH242502A (en) Process for the preparation of a copper-compatible polyazo dye.
CH294233A (en) Process for the preparation of a copper-containing disazo dye.
CH294234A (en) Process for the preparation of a copper-containing disazo dye.
CH294235A (en) Process for the preparation of a copper-containing disazo dye.
CH294238A (en) Process for the preparation of a copper-containing disazo dye.
CH294237A (en) Process for the preparation of a copper-containing disazo dye.
CH294232A (en) Process for the preparation of a copper-containing disazo dye.
CH292293A (en) Process for the preparation of a copper-containing disazo dye.
CH294231A (en) Process for the preparation of a copper-containing disazo dye.
CH213568A (en) Process for the preparation of a related disazo dye.
CH294230A (en) Process for the preparation of a copper-containing disazo dye.
CH301642A (en) Process for the production of a copper-containing trisazo dye.
CH137651A (en) Process for the preparation of an azo dye.
CH146752A (en) Process for the production of a new azo dye.
CH199188A (en) Process for the preparation of an azo dye.
CH214176A (en) Process for the production of a copper-containing azo dye.
CH146754A (en) Process for the production of a new azo dye.
CH203868A (en) Process for the preparation of a disazo dye.
CH259325A (en) Process for the preparation of an azo dye.
CH182264A (en) Process for the preparation of a new, copper-containing trisazo dye.
CH211828A (en) Process for the preparation of an azo dye.
CH211810A (en) Process for the preparation of an azo dye.
CH249288A (en) Process for the production of a copper-containing azo dye.
CH228372A (en) Process for the preparation of a substantive copper-containing disazo dye.
CH137648A (en) Process for the preparation of an azo dye.