CH155674A - Process for the production of a new azo dye. - Google Patents

Process for the production of a new azo dye.

Info

Publication number
CH155674A
CH155674A CH155674DA CH155674A CH 155674 A CH155674 A CH 155674A CH 155674D A CH155674D A CH 155674DA CH 155674 A CH155674 A CH 155674A
Authority
CH
Switzerland
Prior art keywords
production
azo dye
new azo
new
dye
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 CH155674A publication Critical patent/CH155674A/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
    • C09B29/10—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group
    • C09B29/18—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group ortho-Hydroxy carbonamides
    • C09B29/20—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group ortho-Hydroxy carbonamides of the naphthalene series

Landscapes

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

Description

  

      Zusatzpatent    zum Hauptpatent Nr. 152883.    Verfahren zur     Herstellung    eines neuen     Azofarbstoffes.       Es     wurde    gefunden, dass man einen neuen       Azofarbstoff    erhält, wenn man     2.3-Oxy-          riaphthoesäure-p-anisidid    mit     diazotiertem          4-Chlor-2-aminodiphenyläther    kuppelt. Der  neue Farbstoff bildet ein in Wasser unlös  liches rotes Pulver. Auf der Faser oder einem  geeigneten Substrat hergestellt, erzeugt er  volle rote Töne von hervorragender Licht  echtheit.

      <I>Beispiel:</I>  29,3 Teile     2.3-Oxynaphthoesäure-p-ani-          sidid    werden in 500 Teilen Wasser unter Zu  satz von 4 Teilen     Atznatron    gelöst. Hierauf  fügt man noch 20 Teile Soda hinzu und ver  setzt mit einer aus 222,9 Teilen 4-Chlor-2-         aminodiphenyläther    bereiteten     Diazolösung.     Der gebildete Farbstoff scheidet sich sofort  als roter Niederschlag aus.



      Additional patent to main patent no. 152883. Process for the production of a new azo dye. It has been found that a new azo dye is obtained if 2,3-oxyriaphthoic acid p-anisidide is coupled with diazotized 4-chloro-2-aminodiphenyl ether. The new dye forms a red powder that is insoluble in water. Produced on the fiber or a suitable substrate, it creates full red tones with excellent lightfastness.

      <I> Example: </I> 29.3 parts of 2,3-oxynaphthoic acid p-anisidide are dissolved in 500 parts of water with the addition of 4 parts of caustic soda. 20 parts of soda are then added and a diazo solution prepared from 222.9 parts of 4-chloro-2-aminodiphenyl ether is used. The dye formed separates out immediately as a red precipitate.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines neuen Azofarbstoffes, dadurch gekennzeichnet, dass man 2.3-Oxynaphthoesäure-p-anisidid mit diazotiertem 4-Chlor-2.-aminodipheny läther kuppelt. Der neue Farbstoff bildet ein in Wasser unlösliches, rotes Pulver. Auf der Faser oder einem geeigneten Substrat her gestellt erzeugt er volle rote Töne von her vorragender Lichtechtheit. PATENT CLAIM: Process for the production of a new azo dye, characterized in that 2,3-oxynaphthoic acid-p-anisidide is coupled with diazotized 4-chloro-2.-aminodipheny ether. The new dye forms a red powder that is insoluble in water. When placed on the fiber or a suitable substrate, it produces full red tones with excellent lightfastness.
CH155674D 1930-11-15 1930-11-15 Process for the production of a new azo dye. CH155674A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH155674T 1930-11-15
CH152883T 1930-11-15

Publications (1)

Publication Number Publication Date
CH155674A true CH155674A (en) 1932-06-30

Family

ID=25716079

Family Applications (1)

Application Number Title Priority Date Filing Date
CH155674D CH155674A (en) 1930-11-15 1930-11-15 Process for the production of a new azo dye.

Country Status (1)

Country Link
CH (1) CH155674A (en)

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