CH115474A - Process for the production of a chromium-containing dye. - Google Patents

Process for the production of a chromium-containing dye.

Info

Publication number
CH115474A
CH115474A CH115474DA CH115474A CH 115474 A CH115474 A CH 115474A CH 115474D A CH115474D A CH 115474DA CH 115474 A CH115474 A CH 115474A
Authority
CH
Switzerland
Prior art keywords
chromium
dye
production
sulfamide
oxynaphthalene
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 CH115474A publication Critical patent/CH115474A/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
    • 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

  

  ,Verfahren zur Herstellung eines     ehromhaltigen        Farbstoffes.       Es wurde gefunden, dass ein neuer     chrom=          liall.iger    Farbstoff erhalten wird, wenn     mazi     den     Azofarbstoff,    welcher durch Kuppeln  der     Diazoverbindung    der     1-Oxynaplitlialin-          2-amino-8-sulfamid-4-sulfosäure        finit        1-Oxy-          naphthalin    - 5 -     sulfamid    hergestellt werden  kann, mit     Chromformiat    behandelt.

   Der so  erhaltene Farbstoff bildet ein dunkles Pul  ver, das sich in Wasser mit blauer Farbe  löst. Er färbt Wolle aus saurem Bade in  sehr egalen     blauen    Tönen von hervorragen  den Echtheitseigenschaften.  



  <I>Beispiel:</I>  51,8 Teile des Farbstoffes aus     diazotier-          ter        1-Oxynaphthalin    - 2 -     amino-8-sulfamid-4-          sulfosäure    und     1-Oxynaphthalin-5-sulfamid     werden in 800 Teilen Wasser kochend ge  löst. Hierauf wird mit einer     Chromformiat-          lösung    entsprechend 16 'feilen     Cr20"    versetzt    und längere Zeit rückfliessend gekocht. Durch  Eindampfen und     Aussalzen    wird die neue  Chromverbindung gewonnen.



  , A process for the preparation of an Ehrom-containing dye. It has been found that a new chromium = liall.iger dye is obtained if mazi the azo dye, which is finite 1-oxynaphthalene - 5 by coupling the diazo compound of 1-oxynaplitlialin-2-amino-8-sulfamide-4-sulfonic acid - sulfamide can be produced, treated with chromium formate.

   The dye thus obtained forms a dark powder that dissolves in water with a blue color. It dyes wool from an acid bath in very even blue tones with excellent fastness properties.



  <I> Example: </I> 51.8 parts of the dye from diazotized 1-oxynaphthalene-2-amino-8-sulfamide-4-sulfonic acid and 1-oxynaphthalene-5-sulfamide are dissolved at the boil in 800 parts of water . A chromium formate solution corresponding to 16 'files Cr20 "is then added and the mixture is refluxed for a longer period of time. The new chromium compound is obtained through evaporation and salting out.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines neuen chromhaltigen Farbstoffes, ,dadurch gekenn zeichnet, dass man den Azofarbstoff, welcher durch Kuppeln der Diazoverbindung der 1- Oxynaphthalin- 2 - amino-8-sulf amid- 4 - sulf o- säure mit 1-Oxynaphthalin-5-sulfamid herge stellt werden kann, mit Chromformiat behan delt. Der so erhaltene Farbstoff bildet ein dunkles Pulver, das sich in Wasser mit blauer Farbe löst. PATENT CLAIM: Process for the production of a new chromium-containing dye, characterized in that the azo dye, which is obtained by coupling the diazo compound of 1-oxynaphthalene- 2-amino-8-sulfamide- 4-sulfo acid with 1-oxynaphthalene- 5-sulfamide can be produced, treated with chromium formate. The dye thus obtained forms a dark powder which dissolves in water with a blue color. Er färbt Wolle aus saurem Bade in sehr egalen blauen Tönen von her vorragenden Echtheitseigenschaften. It dyes wool from an acid bath in very even blue tones with excellent fastness properties.
CH115474D 1922-11-18 1924-04-20 Process for the production of a chromium-containing dye. CH115474A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH101615T 1922-11-18
CH115474T 1924-04-20

Publications (1)

Publication Number Publication Date
CH115474A true CH115474A (en) 1926-07-01

Family

ID=25706036

Family Applications (1)

Application Number Title Priority Date Filing Date
CH115474D CH115474A (en) 1922-11-18 1924-04-20 Process for the production of a chromium-containing dye.

Country Status (1)

Country Link
CH (1) CH115474A (en)

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