CH167806A - Process for the preparation of an azo dye. - Google Patents

Process for the preparation of an azo dye.

Info

Publication number
CH167806A
CH167806A CH167806DA CH167806A CH 167806 A CH167806 A CH 167806A CH 167806D A CH167806D A CH 167806DA CH 167806 A CH167806 A CH 167806A
Authority
CH
Switzerland
Prior art keywords
preparation
azo dye
dye
carboxamide
chlorobenzene
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellsc Farbenindustrie
Original Assignee
Ig Farbenindustrie Ag
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 Ig Farbenindustrie Ag filed Critical Ig Farbenindustrie Ag
Publication of CH167806A publication Critical patent/CH167806A/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
    • 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
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/34—Monoazo dyes prepared by diazotising and coupling from other coupling components
    • C09B29/36—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds
    • C09B29/3604—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom
    • C09B29/3647—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a five-membered ring with two nitrogen atoms as heteroatoms
    • C09B29/3652—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a five-membered ring with two nitrogen atoms as heteroatoms containing a 1,2-diazoles or hydrogenated 1,2-diazoles
    • C09B29/366—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a five-membered ring with two nitrogen atoms as heteroatoms containing a 1,2-diazoles or hydrogenated 1,2-diazoles containing hydroxy-1,2-diazoles, e.g. pyrazolone

Landscapes

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

Description

  

  Verfahren zur Darstellung eines     Azofarbstoffes.       Es wurde gefunden, dass man einen wert  vollen     Azofarbstoff    erhält, wenn man     l.-Phe-          nyl-5-pyrazolon-3-carbonsäureamid    mit der       Diazoverbindung    aus der     1-Oxy-2-amino-6-          chlorbenzol-4-sulfonsäure    kuppelt.  



  Der erhaltene Farbstoff liefert beim Fär  ben auf Wolle orange Töne, die beim Nach  behandeln mit chromabgebenden Mitteln in  ein sehr echtes,     gelbstichiges        Rot    übergehen.  <I>Beispiel:</I>  Die auf übliche Weise hergestellte Lö  sung der     Diazoverbindung    aus 223 Teilen  1-     Oxy-    2 -     amino    - 6 -     chlorbenzol-4-sulfonsäure     gibt man zu einer Lösung von 210 Teilen       1-Phenyl-5-pyrazolon    - 3 -     carbonsäureamid    in  einer Mischung aus 250 Teilen     calcinierter     Soda und 1500 Teilen Wasser.

   Sobald die    Kupplung beendet ist, wird der Farbstoff  durch     Zugabe    von festem Kochsalz aus  gesalzen und in der üblichen Weise     auf-          gearbeit--t.  



  Process for the preparation of an azo dye. It has been found that a valuable azo dye is obtained if 1-phenyl-5-pyrazolone-3-carboxamide is coupled with the diazo compound from 1-oxy-2-amino-6-chlorobenzene-4-sulfonic acid.



  When dyeing wool, the dye obtained provides orange tones which, when treated with chromium-releasing agents, turn into a very true, yellowish red. <I> Example: </I> The solution of the diazo compound prepared in the usual way from 223 parts of 1- oxy- 2 - amino - 6 - chlorobenzene-4-sulfonic acid is added to a solution of 210 parts of 1-phenyl-5- pyrazolon-3-carboxamide in a mixture of 250 parts of calcined soda and 1500 parts of water.

   As soon as the coupling is complete, the dye is salted out by adding solid common salt and worked up in the usual way - t.

Claims (1)

PATENTANSPRUCH: Verfahren zur Darstellung eines Azo- farbstoffes, dadurch gekennzeichnet, dass man 1-Phenyl-5-pyrazolon-3-carbonsäureamid mit der Diazoverbindung aus der 1-Oxy-2-amino- 6-chlorbenzol-4-sulfonsäure kuppelt. Der erhaltene Farbstoff liefert beim Fär ben auf Wolle orange Töne, die beim Nach behandeln mit chromabgebenden Mitteln in ein sehr echtes, gelbstichiges Rot übergehen. Claim: Process for the preparation of an azo dye, characterized in that 1-phenyl-5-pyrazolone-3-carboxamide is coupled with the diazo compound from 1-oxy-2-amino-6-chlorobenzene-4-sulfonic acid. When dyeing wool, the dye obtained provides orange tones which, when treated with chromium-releasing agents, turn into a very true, yellowish red.
CH167806D 1933-04-05 1933-04-05 Process for the preparation of an azo dye. CH167806A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH167806T 1933-04-05

Publications (1)

Publication Number Publication Date
CH167806A true CH167806A (en) 1934-03-15

Family

ID=4420161

Family Applications (1)

Application Number Title Priority Date Filing Date
CH167806D CH167806A (en) 1933-04-05 1933-04-05 Process for the preparation of an azo dye.

Country Status (1)

Country Link
CH (1) CH167806A (en)

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