CH293861A - 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
CH293861A
CH293861A CH293861DA CH293861A CH 293861 A CH293861 A CH 293861A CH 293861D A CH293861D A CH 293861DA CH 293861 A CH293861 A CH 293861A
Authority
CH
Switzerland
Prior art keywords
copper
mol
parts
oxy
preparation
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 CH293861A publication Critical patent/CH293861A/en

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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—

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

Description

  

  <B>Zusatzpatent</B> zum Hauptpatent Nr. 261125.         Verfahren    zur     Herstellung    eines kupferbaren     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'-oxi--          benzoylamino)    - 4 -     amino-benzol    - 3 -     carbonsäure     einerseits mit 1     Mol        1-(4'-Amino-phenyl)

  -3-          methyl-5-pyrazolon    und anderseits mit 1     Mol          1-Oxy-naphthalin-4-sillfonsäure    kuppelt.    Der erhaltene neue     Disazofarbstoff    stellt  ein     dunkelbraunes    Pulver dar, das sich in  Wasser mit schmutzig     olivbrauner    und in       konz.    Schwefelsäure mit roter Farbe löst und       Zellulosefasern    in braunen Tönen anfärbt,  welche nach Behandlung mit Kupfersalzen  ausgezeichnete     Echtheiten    aufweisen.

      <I>Beispiel:</I>    28,7 Teile     1-(3'-Amino-4'-oxy-benzoyl-          amino)-4-amino-benzol-3-carbonsäure    werden  in 400 Teilen Wasser mit 8 Teilen Natronlauge  kalt gelöst, mit 13,8 Teilen     Natriumnitrit    ver  mischt und in der Kälte unter Rühren auf       40    Teile     konz.    Salzsäure und 80 Teile Wasser       aufgetropft,    die überschüssige Mineralsäure  mit     Natriumbiearbonat    abgestumpft und dann  mit<B>18,9</B> Teilen 1-(4'-Amino-phenyl)-3-me-         thyl-5-pyrazolon,    gelöst in 200 Teilen Wasser  bei Gegenwart von 20 Teilen     Natriumbicar-          bonat,

      zum Zwischenprodukt vereinigt. Ist die  Kupplung beendet, so wird alsdann eine wäs  serige Lösung von 22,4 Teilen     1-Oxy-naphtha-          lin-4-sulfonsäure,    20 Teilen Soda und 150 Tei  len     Pyridin        hinzufliessen    gelassen. Nach mehr  stündigem Rühren ist die Kupplung beendet,  und der gebildete     Disazofarbstoff    der Formel  
EMI0001.0037     
    wird mit Kochsalz abgeschieden, isoliert, und getrocknet.



  <B> Additional patent </B> to main patent no. 261125. Process for the production of a copperable polyazo dye. The present patent relates to a process for the preparation of a copperable polyazo dye. The process is characterized in that 1 mol of the tetrazo compound of 1- (3'-amino-4'-oxi- benzoylamino) -4-aminobenzene-3-carboxylic acid is mixed with 1 mol 1- (4'- Aminophenyl)

  -3- methyl-5-pyrazolone and on the other hand with 1 mole of 1-oxy-naphthalene-4-sulfonic acid. The new disazo dye obtained is a dark brown powder that dissolves in water with dirty olive brown and in conc. Sulfuric acid dissolves with a red color and stains cellulose fibers in brown tones, which show excellent fastness properties after treatment with copper salts.

      <I> Example: </I> 28.7 parts of 1- (3'-amino-4'-oxy-benzoyl-amino) -4-amino-benzene-3-carboxylic acid are cold in 400 parts of water with 8 parts of sodium hydroxide solution dissolved, mixed ver with 13.8 parts of sodium nitrite and concentrated in the cold with stirring to 40 parts. Hydrochloric acid and 80 parts of water are added dropwise, the excess mineral acid is blunted with sodium carbonate and then mixed with 18.9 parts of 1- (4'-aminophenyl) -3-methyl-5-pyrazolone, dissolved in 200 parts of water in the presence of 20 parts of sodium bicarbonate,

      combined to form the intermediate. When the coupling is complete, an aqueous solution of 22.4 parts of 1-oxynaphthalin-4-sulfonic acid, 20 parts of soda and 150 parts of pyridine is then allowed to flow in. After a few hours of stirring, the coupling is complete and the disazo dye of the formula is formed
EMI0001.0037
    is deposited with common salt, isolated and dried.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines kupfer baren Polyazofarbstoffes, dadurch gekenn zeichnet, dass man 1 Mol der Tetrazoverbin- dung von 1-(3'-Amino-4'-oxy-benzoylamino)- 4-amino-benzol-3-carbonsäure einerseits mit 1 Mol 1-(4'-Amino-phenyl)-3-methyl-5-pyrazo- lon und anderseits mit 1 Mol 1-Oxy-naphthalin- 4-sulfonsätire kuppelt.. PATENT CLAIM: A process for the production of a copper-free polyazo dye, characterized in that 1 mol of the tetrazo compound of 1- (3'-amino-4'-oxy-benzoylamino) -4-aminobenzene-3-carboxylic acid is mixed with 1 mol of 1- (4'-aminophenyl) -3-methyl-5-pyrazolone and on the other hand with 1 mol of 1-oxy-naphthalene-4-sulfonic acid. Der erhaltene neue Disazofarbstoff stellt ein dunkelbraunes Pulver dar, das sich in. Wasser mit schmutzig olivbrauner und in konz. Schwefelsäure mit roter Farbe löst, und Zellulosefasern in braunen Tönen anfärbt. welche nach Behandlung mit Kupfersalzen ausgezeichnete Eehtheiten aufweisen. The new disazo dye obtained is a dark brown powder which dissolves in water with dirty olive brown and in conc. Sulfuric acid dissolves with a red color, and stains cellulose fibers in brown tones. which show excellent integrity after treatment with copper salts.
CH293861D 1948-08-06 1948-08-06 Process for the preparation of a copper-compatible polyazo dye. CH293861A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH261125T 1948-08-06
CH293861T 1948-08-06

Publications (1)

Publication Number Publication Date
CH293861A true CH293861A (en) 1953-10-15

Family

ID=25730375

Family Applications (1)

Application Number Title Priority Date Filing Date
CH293861D CH293861A (en) 1948-08-06 1948-08-06 Process for the preparation of a copper-compatible polyazo dye.

Country Status (1)

Country Link
CH (1) CH293861A (en)

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