CH138211A - Process for the production of a new metal-containing dye. - Google Patents

Process for the production of a new metal-containing dye.

Info

Publication number
CH138211A
CH138211A CH138211DA CH138211A CH 138211 A CH138211 A CH 138211A CH 138211D A CH138211D A CH 138211DA CH 138211 A CH138211 A CH 138211A
Authority
CH
Switzerland
Prior art keywords
containing dye
production
amino
dye
new metal
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 CH138211A publication Critical patent/CH138211A/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
    • C09B45/18—Monoazo compounds containing copper

Landscapes

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

Description

  

  Verfahren zur Herstellung eines' neuen     metallhaltigen        Farbstoffes.       Es wurde gefunden, dass man einen  neuen     wertvollen    metallhaltigen Farbstoff  erhält, wenn man den     Azofa:rbstoff    aus       diazotierter        2-Amino-l-phenol-4,6-disulfo-          säu.re    und 2-     Amino-5-oxynaphthalin-7-sulfo-          säure    mit kupferabgebenden Mitteln und mit       einem    Oxydationsmittel behandelt, wobei  diese beiden Operationen nicht gleichzeitig,  sondern nacheinander     durchgeführt    werden.  



  Der erhaltene metallhaltige Farbstoff bil  det getrocknet ein schwarzes Pulver, welche,  in Wasser und in verdünnter Sololösung  mit violetter und in     konzentrierter    Schwefel  säure mit rotvioletter Farbe löslich ist. Er  färbt Seide und Wolle aus saurem     Glauber-          salzba,de    in echten grauen Tönen an.  



  <I>Beispiel:</I>  Die 7 Teilen     Natriumnitrit    entsprechende  Menge des     o-Oxyazofarbstoffes    aus     diazotier-          ter        2-Amino-l-phenol-4,6-disulfosäure    und     2-          Amina-5-oxynaphtha,lin-        7-sulfosäure    wird    auf bekannte Weise in die Kupferverbindung  übergeführt und diese in 1000 Teilen     Wasser     gelöst und mit 18 Teilen Essigsäure an  gesäuert. Nun gibt man bei wenig     erhöhter     Temperatur 8 bis 15 Teile     Kaliumbichromat          portionenweise    zu und rührt einige Zeit.

    Die Farbe schlägt von violett nach grau um.  Durch Eindampfen und     Aussahen        gewinnt     man den neuen Farbstoff.



  Process for the production of a 'new metal-containing dye. It has been found that a new valuable metal-containing dye is obtained if the azo dye is obtained from diazotized 2-amino-1-phenol-4,6-disulfo-acid and 2-amino-5-oxynaphthalene-7-sulfo - Acid treated with copper-releasing agents and with an oxidizing agent, these two operations not being carried out simultaneously but one after the other.



  The metal-containing dye obtained forms a black powder when dried, which is soluble in water and in dilute solo solution with violet and in concentrated sulfuric acid with a red-violet color. He dyes silk and wool from sour Glauber's salzba, de, in real gray tones.



  <I> Example: </I> The amount of o-oxyazo dye corresponding to 7 parts of sodium nitrite from diazotized 2-amino-1-phenol-4,6-disulfonic acid and 2-amina-5-oxynaphtha, lin-7-sulfonic acid is converted in a known manner into the copper compound and this dissolved in 1000 parts of water and acidified with 18 parts of acetic acid. 8 to 15 parts of potassium dichromate are then added in portions at a slightly elevated temperature and the mixture is stirred for some time.

    The color changes from purple to gray. The new dye is obtained by evaporation and viewing.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines neuen metallhaltigen Farbstoffes, dadurch gekenn zeichnet, dass man den Azofarbstoff aus diazotierter 2-Amino-1-phenol-4,6-disulfo- säure und 2-Amino-5-oxynaphthalin-7-sulfo- säure mit kupferabgebenden Mitteln und mit, einem Oxydationsmittel behandelt, wobei diesle beiden Operationen nicht gleichzeitig, sondern nacheinander durchgeführt werden. PATENT CLAIM: Process for the production of a new metal-containing dye, characterized in that the azo dye from diazotized 2-amino-1-phenol-4,6-disulfonic acid and 2-amino-5-oxynaphthalene-7-sulfonic acid with copper-releasing agents and treated with an oxidizing agent, these two operations not being carried out simultaneously, but one after the other. Der erhaltene metallhaltige Farbstoff bil det getrocknet ein schwarzes Pulver, welches in -Wasser und in verdünnter Sodalösung mit violetter und in konzentrierter Schwefel säure mit rotvioletter Farbe löslich ist. Er färbt Seide und Wolle aus saurem Glauber- salzbade in echten grauen Tönen an. The resulting metal-containing dye forms a black powder when dried, which is soluble in water and in dilute soda solution with violet and in concentrated sulfuric acid with red-violet color. He dyes silk and wool from an acidic Glauber's salt bath in real gray tones.
CH138211D 1928-07-13 1928-07-13 Process for the production of a new metal-containing dye. CH138211A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH136649T 1928-07-13
CH138211T 1928-07-13

Publications (1)

Publication Number Publication Date
CH138211A true CH138211A (en) 1930-02-15

Family

ID=25712765

Family Applications (1)

Application Number Title Priority Date Filing Date
CH138211D CH138211A (en) 1928-07-13 1928-07-13 Process for the production of a new metal-containing dye.

Country Status (1)

Country Link
CH (1) CH138211A (en)

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