CH267862A - Process for the production of a new azo dye. - Google Patents

Process for the production of a new azo dye.

Info

Publication number
CH267862A
CH267862A CH267862DA CH267862A CH 267862 A CH267862 A CH 267862A CH 267862D A CH267862D A CH 267862DA CH 267862 A CH267862 A CH 267862A
Authority
CH
Switzerland
Prior art keywords
production
acid
azo dye
diazotized
dye
Prior art date
Application number
Other languages
German (de)
Inventor
Ag Sandoz
Original Assignee
Ag Sandoz
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 Ag Sandoz filed Critical Ag Sandoz
Publication of CH267862A publication Critical patent/CH267862A/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
    • C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
    • C09B33/02—Disazo dyes
    • C09B33/08—Disazo dyes in which the coupling component is a hydroxy-amino compound
    • C09B33/10—Disazo dyes in which the coupling component is a hydroxy-amino compound in which the coupling component is an amino naphthol

Landscapes

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

Description

  

  Verfahren zur Herstellung eines neuen     Azofarbstoffes.       Das vorliegende Patent betrifft ein Ver  fahren zur     Herstellung    eines neuen     Azofarb-          stoffes    und ist     daclureh        g-elzeiinzeieliuet,        dass          man        diazotiertes        -1-Cliloranilin    mit     dein        lee-          tSlaminoazol'arbstoff,

      den man     dureli    saure  Kupplung von     diazotier        ter        5-Amino-2-ozv        ben-          zoesiiui,e-3-sulfonsäure    mit     2,8-@lminonaph-          tliol-6-sulfonsziure    und     naebfol-ende        Acetvlie-          rung    erhält, vereinigt und das     erhaltene          Kupplunbsproclukt        Aveeks        Verseifung    der       Acetvlamino;

  ruppe        niit        vei@seil'enden    Mitteln  behandelt.  



       Beispiel:     <B>52,5</B> Teile des     @leety        la.iuinoazofai-bstoffes,          den        inan    durch saure     Kupplung    von     diazotier-          ter    5     -Aniino-2-olvbenzoesäure-3-sulfonsäure     mit 2,8 -     Aminonaplithol    - 6 -     sulfonsäure    und       nachfolgende        @cetvlierun@@        erhält,        werden    in  250 Teilen     Wasser    gelöst.

   Diese Lösung     wird     mit 20 Teilen     cale.        Soda        deutlich        alkalisch    Ge  stellt     und    hierauf unter     gutein        Rühren    mit der       1)iazoverliindrniä    von     1\Z,8    Teilen     4-Chlorani-          lin    bei 0 bis     1.0     vereinigt.

   Sobald keine     Diazo-          verbindung    mehr     naeb.gewiesen    werden     kann,     ist die     Kupplung        beendet"    Man salzt aus und  filtriert den     ausbesebiedenen    Farbstoff ab.

      Zur V     erseifung    der     ilcetvlamiiiogruppe    wird  der Farbstoff     während    etwa einer     Munde    in       10oloiy@@er        Sololösung    auf 90  erwärmt.     Naeli          Beendigen        ,#-    der     Verseifunb-        wird    der gebildete  Farbstoff     ausgesalzen,    filtriert und getrocknet.  



  Der neue Farbstoff; ein     rotbraunes    Pulver,  färbt Wolle aus     saurem    Bade in     rotstielii-          braunen    Tönen von guter Lieht-, Wasch- und       :;chweil:        eelitheit.  



  Process for the production of a new azo dye. The present patent relates to a process for the production of a new azo dye and is daclureh g-elzeiinzeieliuet that diazotized -1-cliloraniline with your lee- tSlaminoazol'arerstoff,

      which is obtained through acidic coupling of diazotized 5-amino-2-ozv benzoesiiui, e-3-sulfonic acid with 2,8- @ iminonaphthiol-6-sulfonic acid and subsequent acetylation, combined and the obtained Coupling product Aveeks saponification of Acetvlamino;

  ruppe not treated with rope means.



       Example: <B> 52.5 </B> parts of the @leety la.iuinoazofai-bstoffes, which inan by acid coupling of diazotized 5-aniino-2-olvbenzoic acid-3-sulfonic acid with 2,8-aminonaplithol-6 - Sulphonic acid and the following @ cetvlierun @@ obtained are dissolved in 250 parts of water.

   This solution is mixed with 20 parts of cale. Soda is clearly alkaline and then combined with the 1) iazoverliindrniä of 1 \ Z, 8 parts of 4-chloroaniline at 0 to 1.0 while stirring well.

   As soon as no more diazo compound can be found, the coupling is ended. "It is salted out and the dyestuff which has evaporated out is filtered off.

      To saponify the ilcetvlamiiio group, the dye is warmed to 90 in 10oloiy @@ er solo solution for about one mouth. Naeli terminating, # - the saponification- the dye formed is salted out, filtered and dried.



  The new dye; a reddish brown powder, dyes wool from an acid bath in reddish-brown shades of good lightness, washing and: meanwhile: vainness.

Claims (1)

PATE NTANSPR,hCH Verfahren zur Herstellung eines neuen Azofarbstoffes, dadurch gekennzeichnet, dass man diazotiertes .l-Chloranilin mit dem Ace- tpla.minoazofarlistoff, den man durch saure liupplung von diazotierter 5 -Amino-2-o-,#vben- zoesäLire-3-sulfonsäure mit.2, PATE NTANSPR, hCH Process for the production of a new azo dye, characterized in that diazotized .l-chloroaniline is treated with the acetate tpla.minoazofarlistoff, which is obtained by acid coupling of diazotized 5-amino-2-o -, # vben- zoesäLire- 3-sulfonic acid with 2, 8-Aminonapltthol- 6-sulfonsäure und nachfolgende Acetvlieriinb erhält, vereinigt -und das erhaltene Kupp- lunbsprodukt zweel@s Verseifung der Aeetj-l.- aminogruppe mit verseifenden -Mitteln behan delt. 8-Aminonapltthol- 6-sulfonic acid and subsequent acetylinb are obtained, combined, and the coupling product obtained is treated with saponifying agents for two saponification of the acetyl-l-amino group. Der neue Farbstoff, ein rotbraunes Pulver, färbt -Wolle aus saurem Bade in rotstiehig braunen Tönen von guter Liebt-, Wasch- und Selnveiss echtheit. The new dye, a reddish brown powder, dyes wool from acid baths in reddish brown shades of good love, washing and Selnveiss fastness.
CH267862D 1947-01-17 1947-01-17 Process for the production of a new azo dye. CH267862A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH264602T 1947-01-17
CH267862T 1947-01-17
CH267869T 1947-01-17

Publications (1)

Publication Number Publication Date
CH267862A true CH267862A (en) 1950-04-15

Family

ID=27178086

Family Applications (1)

Application Number Title Priority Date Filing Date
CH267862D CH267862A (en) 1947-01-17 1947-01-17 Process for the production of a new azo dye.

Country Status (1)

Country Link
CH (1) CH267862A (en)

Similar Documents

Publication Publication Date Title
CH267862A (en) Process for the production of a new azo dye.
CH267874A (en) Process for the production of a new azo dye.
DE921767C (en) Process for the production of new cobalt-containing azo dyes
DE600101C (en) Process for the production of water-insoluble azo dyes
CH267863A (en) Process for the production of a new azo dye.
DE549864C (en) Process for the production of metal-containing azo dyes
CH267857A (en) Process for the production of a new azo dye.
CH267864A (en) Process for the production of a new azo dye.
CH267859A (en) Process for the production of a new azo dye.
DE390666C (en) Process for the preparation of water-insoluble azo dyes
DE447420C (en) Process for the preparation of azo compounds
CH308779A (en) Process for the preparation of a metal-containing azo dye.
CH306376A (en) Process for the preparation of a metal-containing azo dye.
CH257028A (en) Process for the production of a metallizable azo dye.
CH267876A (en) Process for the production of a new azo dye.
CH244050A (en) Process for the production of a metallizable azo dye.
CH257030A (en) Process for the production of a metallizable azo dye.
CH215831A (en) Process for the preparation of an azo dye.
CH267275A (en) Process for the preparation of a monoazo dye.
CH138232A (en) Process for the production of a new azo dye.
CH237130A (en) Process for the production of a new azo dye.
CH321741A (en) Process for the preparation of an azo dye
CH261368A (en) Process for the preparation of a monoazo dye.
CH307211A (en) Process for the preparation of an azo dye.
CH267274A (en) Process for the preparation of a monoazo dye.