[go: up one dir, main page]

CH210490A - 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
CH210490A
CH210490A CH210490DA CH210490A CH 210490 A CH210490 A CH 210490A CH 210490D A CH210490D A CH 210490DA CH 210490 A CH210490 A CH 210490A
Authority
CH
Switzerland
Prior art keywords
water
preparation
monoazo dye
soluble monoazo
dye
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 CH210490A publication Critical patent/CH210490A/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

Landscapes

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

Description

  

  Verfahren zur Herstellung eines     wasserlöslichen        3ionoazofarbstoffes.       Gegenstand des vorliegenden Zusatz  patentes ist ein Verfahren zur     Herstellung     eines wasserlöslichen     Monoazofarbstoffes,     welches dadurch gekennzeichnet     ist,    dass man       diazotiertes        4-Aminoacetanilid    in alkalischem  Medium mit     2-Sulfoacetamino-    7     -ogynaph-          thalin    kuppelt.  



       Beispiel:     150 Gewichtsteile     4-Aminoacetanilid    wer  den in üblicher Weise     diazotiert    und mit  einer     sodaalkalischen    Lösung von 267 Ge  wichtsteilen 2 -     Sulfoacetamino    - 7 -     ogynaph-          thalin    vereinigt. Nach beendeter     Kupplung     wird der Farbstoff     ausgesalzen,    abgesaugt  und getrocknet.  



  Er stellt ein     dunkelbraunrotes    Pulver  dar, das sich in Wasser mit orangeroter Farbe    löst und Wolle aus saurem Bade     unter    Koch  temperatur in orangefarbenen Tönen gleich  mässig     durchfärbt.  



  Process for the preparation of a water-soluble 3ionoazo dye. The subject of the present additional patent is a process for the production of a water-soluble monoazo dye, which is characterized in that diazotized 4-aminoacetanilide is coupled in an alkaline medium with 2-sulfoacetamino-7-gynaphthalene.



       Example: 150 parts by weight of 4-aminoacetanilide who are diazotized in the usual way and combined with a soda-alkaline solution of 267 parts by weight of 2-sulfoacetamino-7-ogynaphthalene. After the coupling has ended, the dye is salted out, filtered off with suction and dried.



  It is a dark brown-red powder that dissolves in water with an orange-red color and evenly dyes wool from an acid bath at boiling temperature in orange tones.

Claims (1)

PATEIr'TANSPRUCH Verfahren zur Herstellung eines wasser löslichen Monoazofarbstoffes, dadurch ge kennzeichnet, dass man diazotiertes 4-Amino- acetanilid in alkalischem Medium mit 2- Sulfoacetamino-7-ogynaphthalin kuppelt. PATENT'S CLAIM Process for the production of a water-soluble monoazo dye, characterized in that diazotized 4-aminoacetanilide is coupled in an alkaline medium with 2-sulfoacetamino-7-ogynaphthalene. Der so erhaltene Farbstoff stellt ein dunkelbraunrotes Pulver dar, das sich in Wasser mit orangeroter Farbe löst und Wolle aus saurem Bade unter Kochtemperatur in orangefarbenen Tönen gleichmässig durch färbt. The dye obtained in this way is a dark brown-red powder which dissolves in water with an orange-red color and evenly dyes wool from an acid bath at boiling temperature in orange tones.
CH210490D 1937-03-24 1938-03-17 Process for the preparation of a water-soluble monoazo dye. CH210490A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE210490X 1937-03-24
CH205165T 1938-03-17

Publications (1)

Publication Number Publication Date
CH210490A true CH210490A (en) 1940-07-15

Family

ID=25724149

Family Applications (1)

Application Number Title Priority Date Filing Date
CH210490D CH210490A (en) 1937-03-24 1938-03-17 Process for the preparation of a water-soluble monoazo dye.

Country Status (1)

Country Link
CH (1) CH210490A (en)

Similar Documents

Publication Publication Date Title
CH210490A (en) Process for the preparation of a water-soluble monoazo dye.
CH210487A (en) Process for the preparation of a water-soluble monoazo dye.
CH210489A (en) Process for the preparation of a water-soluble monoazo dye.
CH210488A (en) Process for the preparation of a water-soluble monoazo dye.
CH219578A (en) Process for the preparation of an azo dye.
CH169700A (en) Process for the production of a new azo dye.
CH205799A (en) Process for the preparation of a monoazo dye.
CH174519A (en) Process for the production of a new azo dye.
CH180582A (en) Process for the production of a new dye.
CH191150A (en) Process for the preparation of a chromable monoazo dye.
CH131253A (en) Process for the production of a new azo dye.
CH205800A (en) Process for the preparation of a monoazo dye.
CH129482A (en) Process for the production of a new azo dye.
CH164438A (en) Process for the production of a chromium-containing dye which coloring in red shades.
CH192039A (en) Process for the production of a new azo dye.
CH192040A (en) Process for the production of a new azo dye.
CH300450A (en) Process for the preparation of an acidic monoazo dye.
CH183873A (en) Process for the preparation of an azo dye.
CH155008A (en) Process for the preparation of an acidic wool azo dye.
CH183874A (en) Process for the preparation of an azo dye.
CH191151A (en) Process for the preparation of a chromable monoazo dye.
CH189043A (en) Process for the preparation of a monoazo dye.
CH166085A (en) Process for the production of a new metal-containing dye.
CH192041A (en) Process for the production of a new azo dye.
CH192037A (en) Process for the production of a new azo dye.