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CH227516A - Process for the preparation of a water-soluble monoazo dye. - Google Patents

Process for the preparation of a water-soluble monoazo dye.

Info

Publication number
CH227516A
CH227516A CH227516DA CH227516A CH 227516 A CH227516 A CH 227516A CH 227516D A CH227516D A CH 227516DA CH 227516 A CH227516 A CH 227516A
Authority
CH
Switzerland
Prior art keywords
monoazo dye
water
preparation
dimethyl
soluble monoazo
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 CH227516A publication Critical patent/CH227516A/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
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/24—Monoazo dyes prepared by diazotising and coupling from coupling components containing both hydroxyl and amino directing groups
    • C09B29/28—Amino naphthols
    • C09B29/30—Amino naphtholsulfonic acid

Landscapes

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

Description

  

  Verfahren zur     Tierstellung    eines     wasserlöslichen        Monoazofarbstoffes.       Vorliegendes Patent bezieht sich auf ein  Verfahren zur Herstellung eines wasserlös  lichen     Monoazofarbs.toffes,    dadurch gekenn  zeichnet, dass man die     Diazoverbindung    von       2-Amino    - 4,6 -     dimethyl-5-chlor-1,1'-diphenyl-          äther    mit     1-(2',5'-Dimethyl-4'-chlorphenyl-          sulfoylamino)    - 8 -     ogynaphthalin-3,6-disulfon-          säure    kuppelt.  



  Der so erhaltene     Monoazofarbstoff    ist ein  rotes Pulver und färbt Wolle aus saurem  oder neutralem Bade in blaustichig roten  Tönen von sehr guten Echtheitseigenschaften.  <I>Beispiel:</I>  24,7 Teile     2-Amino-4,6-dimethyl-5-chlor-          1,1'-diphenyläther    werden in bekannter  Weise     diazotiert,    und die     Diazoverbindung     wird in Gegenwart eines Überschusses von       Natriumcarbonat    mit 53 Teilen 1-(2',5'-Di-         methyl-4'-chlorphenyl    -     sulf        oylam        ino)    - 8 -     ogy-          naphthalin-3,

  6-disulfonsäure    gekuppelt. Der  erhaltene Farbstoff wird abgeschieden und  getrocknet.



  Process for the preparation of a water-soluble monoazo dye. The present patent relates to a process for the production of a water-soluble Monoazofarbs.toffes, characterized in that the diazo compound of 2-amino-4,6-dimethyl-5-chloro-1,1'-diphenyl ether with 1- (2 ', 5'-Dimethyl-4'-chlorophenylsulfoylamino) - 8 - ogynaphthalene-3,6-disulfonic acid couples.



  The monoazo dye obtained in this way is a red powder and dyes wool from an acidic or neutral bath in bluish red shades with very good fastness properties. <I> Example: </I> 24.7 parts of 2-amino-4,6-dimethyl-5-chloro-1,1'-diphenyl ether are diazotized in a known manner, and the diazo compound is in the presence of an excess of sodium carbonate with 53 parts of 1- (2 ', 5'-dimethyl-4'-chlorophenyl-sulfoylamino) -8-ogynaphthalene-3,

  6-disulfonic acid coupled. The dye obtained is deposited and dried.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines wasser löslichen Monoazofarbstoffes, dadurch ge kennzeichnet, dass man die Diazoverbindung von 2-Amino-4,6-dimethyl-5-chlor-1,1'-diphe- nyläther mit 1-(2',5'-Dimethyl-4'-chlorphe- nyl - sulf oylamino)-8-ogynaphthalin-3,6-disul- fonsäure kuppelt. Der so erhaltene Monoazofarbstoff ist ein rotes Pulver und färbt Wolle aus saurem oder neutralem Bade in blaustichig roten Tönen von sehr guten Echtheitseigenschaf ten. PATENT CLAIM: Process for the production of a water-soluble monoazo dye, characterized in that the diazo compound of 2-amino-4,6-dimethyl-5-chloro-1,1'-diphenyl ether with 1- (2 ', 5' -Dimethyl-4'-chlorophenyl - sulfoylamino) -8-ogynaphthalene-3,6-disulfonic acid couples. The monoazo dye thus obtained is a red powder and dyes wool from an acidic or neutral bath in bluish red shades with very good fastness properties.
CH227516D 1942-01-24 1942-01-24 Process for the preparation of a water-soluble monoazo dye. CH227516A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH225367T 1942-01-24
CH227516T 1942-01-24

Publications (1)

Publication Number Publication Date
CH227516A true CH227516A (en) 1943-06-15

Family

ID=25726867

Family Applications (1)

Application Number Title Priority Date Filing Date
CH227516D CH227516A (en) 1942-01-24 1942-01-24 Process for the preparation of a water-soluble monoazo dye.

Country Status (1)

Country Link
CH (1) CH227516A (en)

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