CH219578A - Process for the preparation of an azo dye. - Google Patents

Process for the preparation of an azo dye.

Info

Publication number
CH219578A
CH219578A CH219578DA CH219578A CH 219578 A CH219578 A CH 219578A CH 219578D A CH219578D A CH 219578DA CH 219578 A CH219578 A CH 219578A
Authority
CH
Switzerland
Prior art keywords
azo dye
preparation
dye
hegyldiphenyl
sulfophenyl
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 CH219578A publication Critical patent/CH219578A/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

Landscapes

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

Description

  

  Verfahren zur Herstellung eines     Azofarbstoffes.            Gegenstand    des vorliegenden Zusatz  patentes ist ein Verfahren zur Herstellung  eines     Azofarbstoffes,    welches dadurch ge  kennzeichnet ist, dass man die     Diazoverbin-          dung    von     2-Chlor-4-amino-4'-hegyldiphenyl-          äther    mit     1-(4'-Sulfophenyl)-3-methyl-5-          pyrazolon    kuppelt.  



       Beispiel:     303,5 Gewichtsteile     2-Chlor-4-a.mino-4'-          hegyldiphenyläther    werden     diazotiert    und in  Gegenwart von     Natriumacetat    mit 254 Ge  wichtsteilen     1-(4'-Sulfophenyl)-3-methyl-5-          pyrazolon    vereinigt. Nach Beendigung der  Kupplung wird der Farbstoff abgesaugt und  getrocknet.  



  Er stellt ein wasserlösliches gelbes Pulver  dar, das Wolle aus neutralem Bade in gelben    Tönen von sehr guter Wasch-. Walk- und       Lichtechtheit    färbt.



  Process for the preparation of an azo dye. The subject of the present additional patent is a process for the production of an azo dye, which is characterized in that the diazo compound of 2-chloro-4-amino-4'-hegyldiphenyl ether with 1- (4'-sulfophenyl) - 3-methyl-5-pyrazolone couples.



       Example: 303.5 parts by weight of 2-chloro-4-a.mino-4'-hegyldiphenyl ether are diazotized and combined with 254 parts by weight of 1- (4'-sulfophenyl) -3-methyl-5-pyrazolone in the presence of sodium acetate. After the coupling has ended, the dye is filtered off with suction and dried.



  It is a water-soluble yellow powder, the wool from neutral bath in yellow tones that is very easy to wash. Milling and lightfastness colors.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines Azo- farbstoffes, dadurch gekennzeichnet, dass man die Diazoverbindung von 2-Chlor-4- amino-4'-hegyldiphenyläther mit 1-(4'-Sulfo- phenyl)-3-methyl-5-pyrazolon kuppelt. Der erhaltene Farbstoff stellt ein wasser lösliches gelbes Pulver dar, das Wolle alas neutralem Bade in gelben Tönen von sehr guter Wasch-, Walk- und Lichtechtheit färbt. Claim: Process for the production of an azo dye, characterized in that the diazo compound of 2-chloro-4-amino-4'-hegyldiphenyl ether is coupled with 1- (4'-sulfophenyl) -3-methyl-5-pyrazolone . The dye obtained is a water-soluble yellow powder which dyes wool as a neutral bath in yellow shades of very good fastness to washing, milling and light.
CH219578D 1938-12-07 1939-10-17 Process for the preparation of an azo dye. CH219578A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE219578X 1938-12-07
CH214175T 1939-10-17

Publications (1)

Publication Number Publication Date
CH219578A true CH219578A (en) 1942-02-15

Family

ID=25725550

Family Applications (1)

Application Number Title Priority Date Filing Date
CH219578D CH219578A (en) 1938-12-07 1939-10-17 Process for the preparation of an azo dye.

Country Status (1)

Country Link
CH (1) CH219578A (en)

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