CH265724A - Process for the preparation of a copper-compatible polyazo dye. - Google Patents

Process for the preparation of a copper-compatible polyazo dye.

Info

Publication number
CH265724A
CH265724A CH265724DA CH265724A CH 265724 A CH265724 A CH 265724A CH 265724D A CH265724D A CH 265724DA CH 265724 A CH265724 A CH 265724A
Authority
CH
Switzerland
Prior art keywords
copper
preparation
yellow
amino
compatible
Prior art date
Application number
Other languages
German (de)
Inventor
Ag J R Geigy
Original Assignee
Ag J R Geigy
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 J R Geigy filed Critical Ag J R Geigy
Publication of CH265724A publication Critical patent/CH265724A/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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/28—Disazo dyes characterised by the tetrazo component the tetrazo component containing two aryl nuclei linked by at least one of the groups —CON<, —SO2N<, —SO2—, or —SO2—O—

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Detergent Compositions (AREA)

Description

  

  <B>Zusatzpatent</B> zum Hauptpatent Nr. 261125.    <B>Verfahren zur Herstellung eines kupferbaren</B>     Polyazofarbstoffes.       Gegenstand vorliegenden Patentes ist ein  Verfahren zur Herstellung eines kupferbaren       Polyazofarbstoffes.    Das Verfahren ist da  durch gekennzeichnet, dass man 1     Mol    der       Tetrazoverbindung    von     1-(3'-Amino-4'-oxy-          benzoylämino)        -4-amino-benzol-3-carbonsäure     mit 2     Mol        1-Phenyl-3-methyl-5-pyrazolon     kuppelt.

      Der erhaltene neue     Disazofarbstoff    stellt  ein dunkelbraunes Pulver dar, das sich in  Wasser mit gelbbrauner und in     konz.    Schwe  felsäure mit gelber Farbe löst und Fasern  aus natürlicher oder regenerierter     Cellulose          nachgekupfert    in gelbbraunen Tönen anfärbt,  welche vorzügliche     Eehtheiten    aufweisen.

      <I>Beispiel:</I>  28,7 Teile 1-     (3'-Amino-4'-oay        -benzoyl.-          amino)-4-amino-benzol-3-earbonsäure    werden  in 400 Teilen Wasser mit 8 Teilen Natron  lauge kalt gelöst, mit 13,8 Teilen Natrium  nitrit vermischt und in der Kälte unter  Rühren auf 40 Teile     konz.    Salzsäure und 80  Teile     Wasser        aufgetropft.    Nach dem Ab  stumpfen der überschüssigen     Mineralsäure     mit Soda vereinigt man die     Tetrazoverbin-          dung    mit einer alkalischen Lösung von 34,8  Teilen     1-Phenyl-3-methyl-5-pyrazolon    in 800  Teilen Wasser und 20 Teilen Soda.

   Die Kupp  lung tritt sofort ein und nach mehreren  Stunden Rühren bei Zimmertemperatur ist  keine     Diazoreaktion    mehr nachweisbar. Der  erhaltene Farbstoff von der Formel  
EMI0001.0026     
    wird mit     Kochsalz    abgeschieden,     abfiltriert    und getrocknet.



  <B> Additional patent </B> to main patent No. 261125. <B> Process for the production of a copperable </B> polyazo dye. The present patent relates to a process for the preparation of a copperable polyazo dye. The process is characterized in that 1 mole of the tetrazo compound of 1- (3'-amino-4'-oxybenzoylamino) -4-aminobenzene-3-carboxylic acid is mixed with 2 moles of 1-phenyl-3-methyl- 5-pyrazolone couples.

      The new disazo dye obtained is a dark brown powder, which in water with yellow-brown and in conc. Sulfur acid with a yellow color dissolves and stains fibers made of natural or regenerated cellulose after copper-plating in yellow-brown tones, which have excellent integrity.

      <I> Example: </I> 28.7 parts of 1- (3'-amino-4'-oay-benzoyl.-amino) -4-amino-benzene-3-carboxylic acid are mixed with 8 parts of sodium bicarbonate in 400 parts of water Lye dissolved cold, mixed with 13.8 parts of sodium nitrite and concentrated in the cold with stirring to 40 parts. Hydrochloric acid and 80 parts of water were added dropwise. After the excess mineral acid has been blunted with soda, the tetrazo compound is combined with an alkaline solution of 34.8 parts of 1-phenyl-3-methyl-5-pyrazolone in 800 parts of water and 20 parts of soda.

   The coupling occurs immediately and after several hours of stirring at room temperature no more diazo reaction can be detected. The obtained dye of the formula
EMI0001.0026
    is precipitated with common salt, filtered off and dried.

Claims (1)

PATENTANSPRUCH Verfahren zur Herstellung eines lc.lpfer- baren Polyazofarbstoffes, dadurch gekenn zeichnet, dass man 1 Mol der Tetrazoverbin- dung von 1- (3'-Amino-4'-oxy-benzoylamino) 4 - amino- Benzol - 3 - carbonsäure mit 2 14Io1 1-Phenyl-3-methyl-5-pyrazolon lc.ippelt. Der erhaltene neue misazofarbstoff stellt ein dunkelbraunes Pulver dar, PATENT CLAIM A process for the preparation of a lc.lpferbaren polyazo dye, characterized in that 1 mol of the tetrazo compound of 1- (3'-amino-4'-oxy-benzoylamino) 4-amino-benzene-3-carboxylic acid is mixed with 2 14Io1 1-phenyl-3-methyl-5-pyrazolone lc. The new misazo dye obtained is a dark brown powder, das sich in Wasser mit gelbbrauner und in konz. Schwe felsäure mit gelber Farbe löst und Fasern aus natürlicher oder regenerierter Cellulose nachgekupfert in gelbbraunen Tönen anfärbt, welche vorzügliche Eehtheiten aufweisen. which is in water with yellow-brown and in conc. Sulfur acid with a yellow color dissolves and stains fibers made of natural or regenerated cellulose after copper-plating in yellow-brown tones, which have excellent integrity.
CH265724D 1947-09-15 1947-09-15 Process for the preparation of a copper-compatible polyazo dye. CH265724A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH265724T 1947-09-15
CH261125T 1948-08-06

Publications (1)

Publication Number Publication Date
CH265724A true CH265724A (en) 1949-12-15

Family

ID=25730368

Family Applications (1)

Application Number Title Priority Date Filing Date
CH265724D CH265724A (en) 1947-09-15 1947-09-15 Process for the preparation of a copper-compatible polyazo dye.

Country Status (1)

Country Link
CH (1) CH265724A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4296028A (en) * 1971-07-26 1981-10-20 Ugo Moiso Pyrazolonyl substituted disazo pigments

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4296028A (en) * 1971-07-26 1981-10-20 Ugo Moiso Pyrazolonyl substituted disazo pigments

Similar Documents

Publication Publication Date Title
CH286500A (en) Process for the preparation of a monoazo dye.
CH265724A (en) Process for the preparation of a copper-compatible polyazo dye.
CH265729A (en) Process for the preparation of a copper-compatible polyazo dye.
CH265728A (en) Process for the preparation of a copper-compatible polyazo dye.
CH265722A (en) Process for the preparation of a copper-compatible polyazo dye.
CH265726A (en) Process for the preparation of a copper-compatible polyazo dye.
CH265721A (en) Process for the preparation of a copper-compatible polyazo dye.
CH293861A (en) Process for the preparation of a copper-compatible polyazo dye.
CH265723A (en) Process for the preparation of a copper-compatible polyazo dye.
CH267289A (en) Process for the preparation of a copper-compatible polyazo dye.
CH309428A (en) Process for the preparation of a copperable disazo dye.
CH267286A (en) Process for the preparation of a copper-compatible polyazo dye.
CH265725A (en) Process for the preparation of a copper-compatible polyazo dye.
CH261855A (en) Process for the preparation of a copperable disazo dye.
CH265720A (en) Process for the preparation of a copper-compatible polyazo dye.
CH293866A (en) Process for the preparation of a copper-compatible polyazo dye.
CH293870A (en) Process for the preparation of a copper-compatible polyazo dye.
CH293865A (en) Process for the preparation of a copper-compatible polyazo dye.
CH293869A (en) Process for the preparation of a copper-compatible polyazo dye.
CH267287A (en) Process for the preparation of a copper-compatible polyazo dye.
CH249552A (en) Process for the preparation of a polyazo dye.
CH324389A (en) Process for the production of a metallizable polyazo dye
CH293868A (en) Process for the preparation of a copper-compatible polyazo dye.
CH267288A (en) Process for the preparation of a copper-compatible polyazo dye.
CH144489A (en) Process for the preparation of a disazo dye.