CH204446A - Process for the production of a new azo dye. - Google Patents

Process for the production of a new azo dye.

Info

Publication number
CH204446A
CH204446A CH204446DA CH204446A CH 204446 A CH204446 A CH 204446A CH 204446D A CH204446D A CH 204446DA CH 204446 A CH204446 A CH 204446A
Authority
CH
Switzerland
Prior art keywords
azo dye
production
new azo
benzoylamino
amino
Prior art date
Application number
Other languages
German (de)
Inventor
Gesellschaft Fuer Chemis Basel
Original Assignee
Chem Ind Basel
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 Chem Ind Basel filed Critical Chem Ind Basel
Publication of CH204446A publication Critical patent/CH204446A/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
    • 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

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

Description

  

  Verfahren zur Herstellung eines neuen     Azofarbstoffes.       Es wurde gefunden, dass man einen neuen       Azofarbstoff    erhält, wenn man 1     Mol    2-(3'  [4" -     Amino]    -     benzoylamino    -     5'-        amino)    -     ben-          zoylamino-5-ogynaphthalin-7-sulfonsäure    mit  1     Mol        diazotiertem        o-Toluidin    vereinigt.

   Der  so erhaltene Farbstoff bildet ein braunes  Pulver, das sich in Wasser mit roter Farbe  löst     und    Baumwolle in roten Tönen färbt,  die durch     Weiterdiazotieren    auf der Faser  und Entwickeln mit     ss-Naphthol    intensiv  orangerot werden.  



  <I>Beispiel:</I>  107 Teile     o-Toluidin    werden in üblicher  Weise     diazotiert.    Die     Diazolösung    wird in  eine kalte Lösung aus 520 Teilen     2-(3'-          [4"    -     Amino]    -     benzoylamino    -     5'-        amino)    -     ben-          zoylamino-5-ogynaphthalin-7-sulfonsäure,    300  Teilen     Natriumcarbonat        und    5000 Teilen    Wasser eingerührt.

   Nach beendeter Kupp  lung     wird    der Farbstoff, gegebenenfalls nach  Zusatz von Kochsalz,     abfiltriert        und    ge  trocknet.



  Process for the production of a new azo dye. It has been found that a new azo dye is obtained if 1 mole of 2- (3 '[4 "- amino] - benzoylamino - 5'-amino) - benzoylamino-5-ogynaphthalene-7-sulfonic acid is mixed with 1 mole of diazotized o-Toluidine combined.

   The dye obtained in this way forms a brown powder which dissolves in water with a red color and dyes cotton in red tones, which are intensely orange-red when the fibers are further diazotized and developed with ss-naphthol.



  <I> Example: </I> 107 parts of o-toluidine are diazotized in the usual way. The diazo solution is poured into a cold solution of 520 parts of 2- (3'- [4 "- amino] - benzoylamino - 5'-amino) - benzoylamino-5-ogynaphthalene-7-sulfonic acid, 300 parts of sodium carbonate and 5000 parts of water stirred in.

   After coupling has ended, the dye, if necessary after addition of common salt, is filtered off and dried.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines neuen Azofarbstoffes, dadurch gekennzeichnet, dass man 1 Mol 2-(3'-[4"-Amino]-benzoylamino- 5'-amino) -benzoylamino - 5 - ogynaphthalin-7- sulfonsäure mit 1 Mol diazotiertem o-Tolui- din vereinigt. Claim: Process for the preparation of a new azo dye, characterized in that 1 mol of 2- (3 '- [4 "-amino] -benzoylamino-5'-amino) -benzoylamino - 5 - ogynaphthalene-7-sulfonic acid is mixed with 1 mol of diazotized o-toluidine combined. Der so erhaltene Farbstoff bildet ein braunes Pulver, das sich in Wasser mit roter Farbe löst und Baumwolle in roten Tönen färbt, die durch Weiterdiazotieren auf der Faser und Entwickeln mit ss-N aphthol intensiv orangerot werden. The dyestuff thus obtained forms a brown powder which dissolves in water with a red color and dyes cotton in red shades, which become intensely orange-red when the fibers are further diazotized and developed with ss-naphthol.
CH204446D 1937-02-10 1937-02-10 Process for the production of a new azo dye. CH204446A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH204446T 1937-02-10
CH200672T 1938-10-31

Publications (1)

Publication Number Publication Date
CH204446A true CH204446A (en) 1939-04-30

Family

ID=25723550

Family Applications (1)

Application Number Title Priority Date Filing Date
CH204446D CH204446A (en) 1937-02-10 1937-02-10 Process for the production of a new azo dye.

Country Status (1)

Country Link
CH (1) CH204446A (en)

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