CH265104A - Process for the production of a chromable dye. - Google Patents

Process for the production of a chromable dye.

Info

Publication number
CH265104A
CH265104A CH265104DA CH265104A CH 265104 A CH265104 A CH 265104A CH 265104D A CH265104D A CH 265104DA CH 265104 A CH265104 A CH 265104A
Authority
CH
Switzerland
Prior art keywords
dye
production
parts
chromable
oxy
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 CH265104A publication Critical patent/CH265104A/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
    • C09B45/00—Complex metal compounds of azo dyes
    • C09B45/02—Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
    • C09B45/14—Monoazo compounds
    • C09B45/16—Monoazo compounds containing chromium
    • 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
    • C09B45/00—Complex metal compounds of azo dyes
    • C09B45/02—Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
    • C09B45/14—Monoazo compounds
    • 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
    • C09B62/00—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves
    • C09B62/44—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves with the reactive group not directly attached to a heterocyclic ring
    • C09B62/78—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves with the reactive group not directly attached to a heterocyclic ring with other reactive groups
    • C09B62/82—Azo dyes

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

Description

  

  Verfahren zur Herstellung eines     ehromierbaren    Farbstoffes.         (Tegenstand    vorliegenden Patentes ist ein  Verfahren zur Herstellung eines     ehromier-          baren    Farbstoffes. Das Verfahren ist dadurch       gekennzeielinet,    dass man     diazotiertes        2-Amino-          1-        oxy    - Benzol - 4-     inethylsulfon    mit 1-     Carbo-          methoxyaniino-7-oxy-naphtlialin    vereinigt.  



  Der Chromkomplex des erhaltenen neuen  Farbstoffes stellt ein schwarzblaues Pulver  dar, das Wolle aus neutralem oder schwach  organisch     saurein    Bade in     grauen    Tönen von  hervorragender Lichtechtheit und sehr guten       Nasseehtheiten    färbt.  



  <I>Beispiel:</I>  17,7 Teile     2-Amino-l-oxy-benzol-4-methyl-          sulfi i    werden in 150 Teilen heissem     Wasser     mit 17 Teilen konzentrierter Salzsäure gelöst,  auf<B>50</B> abgekühlt und mit einer Lösung von  <B>6,9</B> Teilen     Natriumnitrit        diazotiert.    Die     Diazo-          niumverbindung    fällt dabei teilweise in Form  lehmgelber Kristalle aus.

   Durch Zugabe von       Natriumbicarbonat    stellt man neutral und  giesst die Aufschlämmung in eine Lösung von  22,8 Teilen     1-Carbomethoxyamino-7-oxy-naph-          thalin,    4,8 Teilen     Natriumhydroxyd,    12 Teilen  wasserfreier Soda und 15 Teilen     Pyridin    in    <B>100</B> Teilen Wasser. Nach Beendigung der     Parb-          stoffbildung    isoliert man den Farbstoff bei  700 durch Versetzen mit Kochsalz.  



  Der Chromkomplex des Farbstoffes kann  erhalten werden, indem man in 500 Teilen  Wasser     finit    110 Teilen einer Lösung von       eliromsalicylsauremAmmonium    (entsprechend  4,2 Teilen Chromoxyd) unter     Rüekfluss    zum  Sieden erhitzt, bis die Komplexbildung be  endet ist.. Der     Chromkomplex    scheidet sich  dabei fast vollständig     aus.    Fr wird     abfiltriert,     getrocknet und mit 20% seines Gewichtes an  wasserfreier Soda vermischt. Fr stellt ein  schwarzblaues Pulver dar, das glatt wasser  löslich ist.



  Process for the production of an honorable dye. (The subject of the present patent is a process for the production of an honorable dye. The process is characterized in that diazotized 2-amino-1-oxy-benzene-4-ynethylsulfone is combined with 1-carbo-methoxyaniino-7-oxy-naphthlialine .



  The chromium complex of the new dye obtained is a black-blue powder that dyes wool from a neutral or slightly organic acidic bath in gray shades of excellent lightfastness and very good wetness properties.



  <I> Example: </I> 17.7 parts of 2-amino-1-oxy-benzene-4-methylsulfi i are dissolved in 150 parts of hot water with 17 parts of concentrated hydrochloric acid, to <B> 50 </ B > cooled and diazotized with a solution of <B> 6.9 </B> parts of sodium nitrite. The diazonium compound partially precipitates in the form of clay-yellow crystals.

   The suspension is neutralized by adding sodium bicarbonate, and the suspension is poured into a solution of 22.8 parts of 1-carbomethoxyamino-7-oxynaphthalene, 4.8 parts of sodium hydroxide, 12 parts of anhydrous soda and 15 parts of pyridine in 100 </B> Share water. After the formation of paraffin has ended, the dye is isolated at 700 by adding sodium chloride.



  The chromium complex of the dye can be obtained by refluxing 110 parts of a solution of eliromsalicylic acid ammonium (equivalent to 4.2 parts of chromium oxide) in 500 parts of water until the complex formation is over. The chromium complex separates almost completely out. Fr is filtered off, dried and mixed with 20% of its weight of anhydrous soda. Fr represents a black-blue powder that is readily soluble in water.

Claims (1)

PATENTANSPRUCH: Verfahren zur Ilerstellung eines ehromier- baren Farbstoffes, dadurch gekennzeichnet, dass man diazotiertes 2-Amino-l-oxy-benzol-4- methyIsulfon mit 1-Carboinethoxyaniino-7-oxy- naphthalin vereinigt. Der Chromkomplex des erhaltenen neuen Farbstoffes stellt ein schwarzblaues Pulver dar, das Wolle aus neutralem oder schwach organisch saurem Bade in grauen Tönen von hervorragender Lichtechtheit. und sehr guten Nassechtheiten färbt.. PATENT CLAIM: Process for the production of an honorable dye, characterized in that diazotized 2-amino-1-oxy-benzene-4-methylsulfone is combined with 1-carbonethoxyaniino-7-oxynaphthalene. The chromium complex of the new dye obtained is a black-blue powder, the wool from neutral or slightly organically acidic bath in gray tones of excellent lightfastness. and very good wet fastness properties.
CH265104D 1947-09-19 1947-09-19 Process for the production of a chromable dye. CH265104A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH265104T 1947-09-19
CH261126T 1952-07-16

Publications (1)

Publication Number Publication Date
CH265104A true CH265104A (en) 1949-11-15

Family

ID=25730387

Family Applications (1)

Application Number Title Priority Date Filing Date
CH265104D CH265104A (en) 1947-09-19 1947-09-19 Process for the production of a chromable dye.

Country Status (1)

Country Link
CH (1) CH265104A (en)

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