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CH265102A - Process for the production of a chromable dye. - Google Patents

Process for the production of a chromable dye.

Info

Publication number
CH265102A
CH265102A CH265102DA CH265102A CH 265102 A CH265102 A CH 265102A CH 265102D A CH265102D A CH 265102DA CH 265102 A CH265102 A CH 265102A
Authority
CH
Switzerland
Prior art keywords
dye
parts
chromable
production
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 CH265102A publication Critical patent/CH265102A/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
    • 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

Landscapes

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

Description

  

  Verfahren zur Herstellung eines     chromierbaren    Farbstoffes.    Gegenstand vorliegenden Patentes ist ein  Verfahren zur Herstellung eines     chromier-          baren    Farbstoffes. Das Verfahren ist dadurch  gekennzeichnet, dass man     diazotiertes        2-Amino-          1-        oxy    -     benzol    - 4 -     metliy        lsulfon    mit     1-Acety        1-          amino-7-oxy-naphthalin    vereinigt.

      Der     Chromkomplex    des erhaltenen neuen  Farbstoffes stellt ein graues Pulver dar, das   olle aus neutralem oder schwach saurem  Bade in gleichmässigen grauen Tönen von sehr       guter        Lielitechtheit    und guten     Nassechtheiten     färbt.

           Beispiel:     18,7 Teile     2-Amino-l-oxy-benzol-4-methyl-          sulfon    werden in 150 Teilen heissem Wasser  mit 17 Teilen konzentrierter Salzsäure gelöst,  auf 50 abgekühlt und mit einer Lösung von       Natriumnitrit    (entsprechend 6,9 Teilen)     di-          azotiert.    Die     Diazoniumverbindung    fällt dabei  teilweise in Form lehmgelber Kristalle aus.

    Durch Zugabe von     Natriumbicarbonat    stellt  man neutral und giesst die     Aufschlämmunm    in  eine Lösung von 21,1 Teilen     1-Acetylamino-7-          oxy-naphthalin,    4,8 Teilen     Natriumhydroxyd,     12 Teilen wasserfreier Soda und 15 Teilen       P\-ri(liii    in 100 Teilen Wasser. Nach Beendi-    gang der     Parbstoffbildung    isoliert man den  Farbstoff bei 700 durch Versetzen mit Koch  salz.  



  Der Chromkomplex des Farbstoffes kann  erhalten werden, indem man ihn in 500 Teilen  Wasser mit. 200 Teilen einer Lösung von     Am-          monittm-oxalato-ammino-chromiat    (entspre  chend 7,6 Teilen Chromoxyd) unter     Rückfluss     zum Sieden erhitzt, bis die Komplexbildung  beendet ist. Dabei scheidet sich der Chrom  komplex weitgehend aus. Er wird     abfiltriert     und getrocknet. Er stellt ein graues Pulver  dar. Vermischt mit     Natriumpyropliosphat    ist  er glatt wasserlöslich.



  Process for the production of a chromable dye. The subject of the present patent is a process for the production of a chromable dye. The process is characterized in that diazotized 2-amino-1-oxy-benzene-4-metal sulfone is combined with 1-acetyl-1-amino-7-oxy-naphthalene.

      The chromium complex of the new dye obtained is a gray powder which dyes olle from a neutral or weakly acidic bath in uniform gray shades of very good Lielite fastness and good wet fastness.

           Example: 18.7 parts of 2-amino-1-oxy-benzene-4-methylsulfone are dissolved in 150 parts of hot water with 17 parts of concentrated hydrochloric acid, cooled to 50% and treated with a solution of sodium nitrite (corresponding to 6.9 parts) diacotized. The diazonium compound partially precipitates in the form of clay-yellow crystals.

    The suspension is made neutral by adding sodium bicarbonate and the suspension is poured into a solution of 21.1 parts of 1-acetylamino-7-oxynaphthalene, 4.8 parts of sodium hydroxide, 12 parts of anhydrous soda and 15 parts of P \ -ri (liii in 100 Parts of water After the formation of paraffin has ended, the dyestuff is isolated at 700 ° C. by adding sodium chloride.



  The chromium complex of the dye can be obtained by adding it to 500 parts of water. 200 parts of a solution of ammonium oxalato-ammino-chromate (corresponding to 7.6 parts of chromium oxide) are heated to boiling under reflux until the complex formation has ended. The chromium complex is largely eliminated. It is filtered off and dried. It is a gray powder. When mixed with sodium pyropliosphate, it is completely soluble in water.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines chromier- ba.ren Farbstoffes, dadurch gekennzeichnet, dass man diazotiertes 2-Amino-l-oxy-benzol-4- inethylsulfon mit 1- Aeety lamino-7-oxy-napli- thalin vereinigt. Der Chromkomplex des erhaltenen neuen Farbstoffes stellt ein graues Pulver dar, das Wolle aus neutralem oder schwach saurem Bade in gleichmässigen grauen Tönen von sehr guter Lichtechtheit und guten Nassechtheiten färbt. PATENT CLAIM: Process for the production of a chromable dye, characterized in that diazotized 2-amino-1-oxy-benzene-4-ynethylsulfone is combined with 1-acetylamino-7-oxy-napitol thalin. The chromium complex of the new dye obtained is a gray powder that dyes wool from a neutral or weakly acidic bath in uniform gray shades of very good lightfastness and good wetfastness.
CH265102D 1947-09-19 1947-09-19 Process for the production of a chromable dye. CH265102A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH265102T 1947-09-19
CH261126T 1952-07-16

Publications (1)

Publication Number Publication Date
CH265102A true CH265102A (en) 1949-11-15

Family

ID=25730385

Family Applications (1)

Application Number Title Priority Date Filing Date
CH265102D CH265102A (en) 1947-09-19 1947-09-19 Process for the production of a chromable dye.

Country Status (1)

Country Link
CH (1) CH265102A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE909758C (en) * 1951-08-08 1954-04-26 Geigy Ag J R Process for the preparation of chromium-containing monoazo dyes
DE922727C (en) * 1951-12-07 1955-01-24 Ciba Geigy Process for the production of monoazo dyes or their metal complex compounds
DE923806C (en) * 1951-12-13 1955-02-21 Ciba Geigy Process for the production of new chromium-containing monoazo dyes
DE954278C (en) * 1952-01-05 1956-12-13 Geigy Ag J R Process for the production of cobalt-containing monoazo dyes

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE909758C (en) * 1951-08-08 1954-04-26 Geigy Ag J R Process for the preparation of chromium-containing monoazo dyes
DE922727C (en) * 1951-12-07 1955-01-24 Ciba Geigy Process for the production of monoazo dyes or their metal complex compounds
DE923806C (en) * 1951-12-13 1955-02-21 Ciba Geigy Process for the production of new chromium-containing monoazo dyes
DE954278C (en) * 1952-01-05 1956-12-13 Geigy Ag J R Process for the production of cobalt-containing monoazo dyes

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