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CH227518A - 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
CH227518A
CH227518A CH227518DA CH227518A CH 227518 A CH227518 A CH 227518A CH 227518D A CH227518D A CH 227518DA CH 227518 A CH227518 A CH 227518A
Authority
CH
Switzerland
Prior art keywords
monoazo dye
water
preparation
soluble monoazo
soluble
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 CH227518A publication Critical patent/CH227518A/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 Herstellung eines wasserlöslichen     bIonoazofarbstoffes.       Vorliegendes Patent bezieht sich auf ein  Verfahren zur Herstellung eines wasserlös  lichen     Monoazofarbs.toffes,    dadurch gekenn  zeichnet,     daB    man die     Diazoverbindung    von  2 -     Amino    - 4,6 -     dimethyl    - 4'-     (tert.)        butyl        -1,1'-          diphenyläther    mit 1-     Benzoylamino    - 8 -     ogy        -          naphthalin-3,6-disulfonsäure    kuppelt.  



  Der so erhaltene     Monoazofarbstoff    ist ein  rotes Pulver und färbt Wolle aus saurem  oder neutralem Bade in leuchtend roten  Farbtönen von sehr guten Echtheitseigen  schaften.  



       Beispiel:     26,7 Teile     2-Amino-4,6-dimethyl-4'-(tert.)-          butyl-1,1'-diphenyläther        werden    in bekannter  Weise     diazotiert,    und die     Diazoverbindung     wird in Gegenwart eines Überschusses von       Natriumearbonat        reit    43 Teilen 1-Benzoyl-         amino-8-ogynaphthalin-3,6-disulfonsäure    ge  kuppelt. Der erhaltene Farbstoff wird ab  geschieden und     getrocknet.  



  Process for the preparation of a water-soluble bionoazo dye. The present patent relates to a process for the production of a water-soluble monoazo dye, characterized in that the diazo compound of 2-amino-4,6-dimethyl-4'- (tert.) Butyl -1,1'-diphenyl ether is used with 1 - benzoylamino - 8 - ogy - naphthalene-3,6-disulfonic acid.



  The monoazo dye thus obtained is a red powder and dyes wool from acidic or neutral baths in bright red shades with very good fastness properties.



       Example: 26.7 parts of 2-amino-4,6-dimethyl-4 '- (tert.) - butyl-1,1'-diphenyl ether are diazotized in a known manner, and the diazo compound is obtained in the presence of an excess of sodium carbonate 43 Parts of 1-benzoylamino-8-ogynaphthalene-3,6-disulfonic acid are coupled. The dye obtained is separated off 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-4'-(tert.)butyl-1,1'- diphenyläther mit 1-Benzoylamino-8-ogy- naphthalin-3,6-disulfonsäure kuppelt. Der so erhaltene Monoazofarbstoff ist ein rotes Pulver und färbt Wolle aus saurem oder neutralem Bade in leuchtend roten Farbtönen von sehr guten Echtheitseigen schaften. Claim: Process for the production of a water-soluble monoazo dye, characterized in that the diazo compound of 2-amino-4,6-dimethyl-4 '- (tert.) Butyl-1,1'-diphenyl ether with 1-benzoylamino-8 -ogy- naphthalene-3,6-disulfonic acid couples. The monoazo dye thus obtained is a red powder and dyes wool from acidic or neutral baths in bright red shades with very good fastness properties.
CH227518D 1942-01-24 1942-01-24 Process for the preparation of a water-soluble monoazo dye. CH227518A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH225367T 1942-01-24
CH227518T 1942-01-24

Publications (1)

Publication Number Publication Date
CH227518A true CH227518A (en) 1943-06-15

Family

ID=25726869

Family Applications (1)

Application Number Title Priority Date Filing Date
CH227518D CH227518A (en) 1942-01-24 1942-01-24 Process for the preparation of a water-soluble monoazo dye.

Country Status (1)

Country Link
CH (1) CH227518A (en)

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