CH179669A - Process for the preparation of a monoazo dye. - Google Patents

Process for the preparation of a monoazo dye.

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Publication number
CH179669A
CH179669A CH179669DA CH179669A CH 179669 A CH179669 A CH 179669A CH 179669D A CH179669D A CH 179669DA CH 179669 A CH179669 A CH 179669A
Authority
CH
Switzerland
Prior art keywords
preparation
monoazo dye
sulfonic acid
dye
red
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 CH179669A publication Critical patent/CH179669A/en

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Description

  

  Verfahren zur Herstellung eines     Honoazofarbstofies.       Vorliegendes Patent bezieht sich auf ein  Verfahren zur Herstellung eines     Monoazo-          farbstoffes,    dadurch gekennzeichnet, dass man  die     Diazoverbindung    der     1-Aminobenzol-2-          sulfosäure    mit der     1-Afethoxy-acetylamino-8-          naphthol-6-sulfosäure    kuppelt.  



  Der neue Farbstoff ist ein rotbraunes  wasserlösliches Pulver und färbt Wolle in  egalen blaustichig roten Tönen von sehr guter  Lichtechtheit.  



  <I>Beispiel:</I>  Die     Diazoverbindung    von 17,3 kg der       1-Amirroberrzol-2-sulfosäure    wird mit einer  Lösung von 31,5 kg 1-Methoxyacetylamino-         8-naphthol-6-sulfosäure    unter Zusatz von       Natriumacetat    gekuppelt.



  Process for making a honoazo dye. The present patent relates to a process for the production of a monoazo dye, characterized in that the diazo compound of 1-aminobenzene-2-sulfonic acid is coupled with 1-ethoxy-acetylamino-8-naphthol-6-sulfonic acid.



  The new dye is a red-brown, water-soluble powder and dyes wool in level bluish red shades with very good lightfastness.



  <I> Example: </I> The diazo compound of 17.3 kg of 1-amirroberzene-2-sulfonic acid is coupled with a solution of 31.5 kg of 1-methoxyacetylamino-8-naphthol-6-sulfonic acid with the addition of sodium acetate.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines Monoazo- farbstoffes, dadurch gekennzeichnet, dass man die Diazoverbindung der 1-Aminobenzol-2- sulfosäure mit der 1-Methoxyacetylamino-8- rraphthol-6-sulfosäure kuppelt. Der neue Farbstoff ist ein rotbraunes Wasserlösliches Pulver und färbt Wolle in egalen blaustichig roten Tönen von sehr guter Lichtechtheit. PATENT CLAIM: A process for the production of a monoazo dye, characterized in that the diazo compound of 1-aminobenzene-2-sulfonic acid is coupled with 1-methoxyacetylamino-8-raphthol-6-sulfonic acid. The new dye is a red-brown, water-soluble powder and dyes wool in level blue-tinged red shades of very good lightfastness.
CH179669D 1933-08-22 1934-07-27 Process for the preparation of a monoazo dye. CH179669A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE179669X 1933-08-22
CH176032T 1935-01-26

Publications (1)

Publication Number Publication Date
CH179669A true CH179669A (en) 1935-09-15

Family

ID=25719784

Family Applications (1)

Application Number Title Priority Date Filing Date
CH179669D CH179669A (en) 1933-08-22 1934-07-27 Process for the preparation of a monoazo dye.

Country Status (1)

Country Link
CH (1) CH179669A (en)

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