CH105147A - Process for the preparation of a chromium-containing azo dye. - Google Patents

Process for the preparation of a chromium-containing azo dye.

Info

Publication number
CH105147A
CH105147A CH105147DA CH105147A CH 105147 A CH105147 A CH 105147A CH 105147D A CH105147D A CH 105147DA CH 105147 A CH105147 A CH 105147A
Authority
CH
Switzerland
Prior art keywords
chromium
azo dye
containing azo
preparation
sulfonic acid
Prior art date
Application number
Other languages
German (de)
Inventor
Gesellschaft Fuer Chemis Basel
Original Assignee
Chem Ind Basel
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 Chem Ind Basel filed Critical Chem Ind Basel
Publication of CH105147A publication Critical patent/CH105147A/en

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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
    • C09B45/00—Complex metal compounds of azo dyes
    • C09B45/02—Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
    • C09B45/14—Monoazo compounds
    • C09B45/16—Monoazo compounds containing chromium

Landscapes

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

Description

  

      Zusatzp.ttent    zum Hauptpatent     Nr.    104793.    Verfahren zur Herstellung eines     chrornhaltigen        Azofarbstoffes.     <B>C</B>    Es wurde gefunden,     dass    ein     cliromlialtiger          Azofarbstoff    erhalten wird, wenn man den       o-Oxy--o-amiiioazofarbstoff    aus fl-Naphthyl       amin-N-methyl-co-sulfosäLireund4-Chlor-2-ami-          no-l-phenol-5-suilfosäure    mit Chromacetat  behandelt.

   Der so gewonnene     ehromhaltige          Azofarbstoff    bildet ein schwärzlicher Pulver,  dessen wässerige Lösungen in dünner Schicht  blau und in dickerer Schicht violett erscheinen.  Er färbt Wolle aus saurem Bade     in    grünen  Farbtönen von ausgezeichneten Echtheits  eigenschaften.  



  <I>Beispiel:</I>  <B>57,1</B> Teile des Farbstoffes,<B>der</B> erhalten  werden kann zum Beispiel durch Kuppeln von       P-Naphthylainin-N-methyl-o.)-sulfosäure    mit       diazotierter        4-Chlor-2-amitio-l-pliciiol-5-sulfo-          säure,    werden in<B>350</B> Teilen kochendem Wasser  gelöst, mit einer     Chromacetatlösung,    ent  sprechend 11,4 Teilen     Crz03,    versetzt und    längere. Zeit am     Rüchflusskühler    gekocht  Hierauf wird     tei.lweise    eingedampft und durch  Zusatz von Kochsalz die Chromverbindung       ausgesalzen.  



      Additional patent to the main patent no. 104793. Process for the production of a chromium-containing azo dye. <B> C </B> It has been found that a cliromlialtiger azo dye is obtained if the o-oxy - o-amiiioazo dye is obtained from fl-naphthylamine-N-methyl-co-sulfosäLireand4-chloro-2-ami- no-l-phenol-5-suilfonic acid treated with chromium acetate.

   The azo dye containing Ehrom thus obtained forms a blackish powder, the aqueous solutions of which appear blue in a thin layer and purple in a thicker layer. It dyes wool from an acid bath in green shades with excellent fastness properties.



  <I> Example: </I> <B> 57.1 </B> parts of the dye <B> which </B> can be obtained, for example, by coupling P-naphthylamine-N-methyl-o.) sulfonic acid with diazotized 4-chloro-2-amitio-l-pliciiol-5-sulfonic acid are dissolved in 350 parts of boiling water, and a chromium acetate solution, corresponding to 11.4 parts of Crz03, is added and longer. Time is boiled on the reflux cooler. This is then partially evaporated and the chromium compound is salted out by adding table salt.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines ehrom- haltigen Farbstoffes, dadurch gekennzeichnet, dass man den o-Oxy-o-aminoazofarbstoff aus #-Naphthylamin-N-methyl-o)-sulfosäure und 4-Chlor-2-ainino-l-phenol-5-sulfosäure mit Chromacetat behandelt. Der so gewonnene chromhaltige Azofarbstoff bildet ein schwärz liches Pulver, dessen wässerige Lösungen in dünner Schicht blau und in dickerer Schicht violett erscheinen. Er färbt Wolle aus saurem Bade in grünen Farbtönen von ausgezeichneten Echtheitseigenschaften. PATENT CLAIM: A process for the production of a dyestuff containing Ehrom, characterized in that the o-oxy-o-aminoazo dyestuff is obtained from # -naphthylamine-N-methyl-o) sulfonic acid and 4-chloro-2-ainino-l-phenol- 5-sulfonic acid treated with chromium acetate. The chromium-containing azo dye obtained in this way forms a blackish powder, the aqueous solutions of which appear blue in a thin layer and purple in a thicker layer. It dyes wool from an acid bath in green shades with excellent fastness properties.
CH105147D 1922-11-08 1922-11-08 Process for the preparation of a chromium-containing azo dye. CH105147A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH104793T 1922-11-08
CH105147T 1922-11-08

Publications (1)

Publication Number Publication Date
CH105147A true CH105147A (en) 1924-06-02

Family

ID=25706743

Family Applications (1)

Application Number Title Priority Date Filing Date
CH105147D CH105147A (en) 1922-11-08 1922-11-08 Process for the preparation of a chromium-containing azo dye.

Country Status (1)

Country Link
CH (1) CH105147A (en)

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