CH261864A - Process for the preparation of a vivid acidic leveling dye of the anthraquinone series. - Google Patents

Process for the preparation of a vivid acidic leveling dye of the anthraquinone series.

Info

Publication number
CH261864A
CH261864A CH261864DA CH261864A CH 261864 A CH261864 A CH 261864A CH 261864D A CH261864D A CH 261864DA CH 261864 A CH261864 A CH 261864A
Authority
CH
Switzerland
Prior art keywords
dye
vivid
blue
good
anthraquinone series
Prior art date
Application number
Other languages
German (de)
Inventor
Ag Sandoz
Original Assignee
Ag Sandoz
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 Sandoz filed Critical Ag Sandoz
Publication of CH261864A publication Critical patent/CH261864A/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
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/16—Amino-anthraquinones
    • C09B1/20—Preparation from starting materials already containing the anthracene nucleus
    • C09B1/26—Dyes with amino groups substituted by hydrocarbon radicals
    • C09B1/28—Dyes with amino groups substituted by hydrocarbon radicals substituted by alkyl, aralkyl or cyclo alkyl groups
    • C09B1/30—Dyes with amino groups substituted by hydrocarbon radicals substituted by alkyl, aralkyl or cyclo alkyl groups sulfonated
    • C09B1/303—Dyes with amino groups substituted by hydrocarbon radicals substituted by alkyl, aralkyl or cyclo alkyl groups sulfonated only sulfonated in the anthracene nucleus

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

  

  Verfahren zur Herstellung eines lebhaften sauren     Egalisierungsfarbstoffes    der       Anthrachinonreihe.       Das vorliegende Patent betrifft ein Ver  fahren zur Herstellung eines lebhaften sauren       Egalisierungsfarbstoffes    der     Anthrachinon-          reihe    und ist dadurch gekennzeichnet, dass  man     1-Amiiio-2,4-dibromanthrachinon-5-sulfo-          säure    mit     1-Aniino-2,4,6-trimethyleyclohexan     kondensiert und das erhaltene Zwischenpro  dukt mit einem     Alkalimetallsulfit    erhitzt.  



  <I>Beispiel:</I>  10,4 Teile     1-amino-2,4-dibromanthrachinon-          5-sulfonsaures    Kalium, 20 Teile     1-Ainino-2,4,6-          trimethyleyclohexan,    4 Teile Natronlauge  30     %,    0,3 Teile Kupferpulver und 120 Teile  Wasser werden während     2.1    Stunden unter  Einleiten eines mässigen Stickstoffstromes  auf 60 bis 700 erhitzt, das     Reaktionsprodukt     hierauf der Behandlung mit     Sulfit    unter ge  eigneten Bedingungen unterworfen und da  durch das zweiständige Bromatom durch eine       Sulfogruppe    ersetzt.

   Man erhält ein blaues       Farbstoffpulver,    das sich in kaltem Wasser  leicht mit leuchtend     grünstichig    blauer Farbe  löst. In konzentrierter Schwefelsäure löst es  sich farblos; beim Zusatz von wenig     Para-          formaldehyd    tritt ein Farbumschlag nach     rot-          stiehig    blau ein.    Der Farbstoff färbt tierische Fasern, wie  Wolle, Seide usw., sowie künstliche Fasern,  z. B. Nylon, in lebhaften     reinblauen    Tönen  von guter Lichtechtheit, guten     Nassechtheiten     und ist von gutem     Egalisierungsvermögen.  



  Process for the preparation of a vivid acidic leveling dye of the anthraquinone series. The present patent relates to a process for the production of a lively acidic leveling dye of the anthraquinone series and is characterized in that 1-amino-2,4-dibromoanthraquinone-5-sulfonic acid is combined with 1-aniino-2,4,6- trimethyleyclohexane condenses and the intermediate product obtained is heated with an alkali metal sulfite.



  <I> Example: </I> 10.4 parts of 1-amino-2,4-dibromoanthraquinone-5-sulfonic acid potassium, 20 parts of 1-amino-2,4,6-trimethyleyclohexane, 4 parts of sodium hydroxide solution 30%, 0, 3 parts of copper powder and 120 parts of water are heated to 60 to 700 for 2.1 hours while passing in a moderate stream of nitrogen, the reaction product is then subjected to treatment with sulfite under suitable conditions and then replaced by the two-position bromine atom with a sulfo group.

   A blue dye powder is obtained which easily dissolves in cold water with a bright greenish blue color. It dissolves colorless in concentrated sulfuric acid; if a little paraformaldehyde is added, the color changes to reddish blue. The dye dyes animal fibers such as wool, silk, etc., as well as artificial fibers, e.g. B. nylon, in vivid, pure blue tones of good lightfastness, good wet fastness and is of good leveling power.

Claims (1)

<B>PATENTANSPRUCH;</B> Verfahren zur Herstellung eines lebhaf ten sauren Egalisierungsfarbstoffes der An- thrachinonreihe, dadurch gekennzeichnet, dass man 1-Amino-2,4-dibromanthrachinon-5-sulfo- säure mit 1-Amino-2,4,6-trimethylcyclohexan kondensiert und das erhaltene Zwischenpro dukt mit einem Alkalimetallsulfit erhitzt. Der neue Farbstoff stellt ein blaues Pul ver dar, das sich in kaltem Wasser leicht mit leuchtend grünstichig blauer Farbe löst. <B> PATENT CLAIM; </B> Process for the production of a lively acidic leveling dye of the anthraquinone series, characterized in that 1-amino-2,4-dibromoanthraquinone-5-sulfonic acid is mixed with 1-amino-2,4 , 6-trimethylcyclohexane condensed and the intermediate product obtained is heated with an alkali metal sulfite. The new dye is a blue powder that dissolves easily in cold water with a bright greenish blue color. In konzentrierter Schwefelsäure löst es sich farb los; beim Zusatz von wenig Paraformaldehyd tritt ein Farbumschlag nach rotstichig blau ein. Der Farbstoff färbt tierische Fasern, wie Wolle, Seide usw., sowie künstliche Fasern, z. B. Nylon, in lebhaften reinblauen Tönen von guter Lichtechtheit, guten Nassechtheiten und ist von gutem Egalisierungsvermögen. It dissolves colorless in concentrated sulfuric acid; if a little paraformaldehyde is added, the color changes to a reddish blue. The dye dyes animal fibers such as wool, silk, etc., as well as artificial fibers, e.g. B. nylon, in vivid, pure blue tones of good lightfastness, good wet fastness and is of good leveling power.
CH261864D 1946-07-05 1946-07-05 Process for the preparation of a vivid acidic leveling dye of the anthraquinone series. CH261864A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH261864T 1946-07-05
CH255969T 1946-11-12

Publications (1)

Publication Number Publication Date
CH261864A true CH261864A (en) 1949-05-31

Family

ID=25729951

Family Applications (1)

Application Number Title Priority Date Filing Date
CH261864D CH261864A (en) 1946-07-05 1946-07-05 Process for the preparation of a vivid acidic leveling dye of the anthraquinone series.

Country Status (1)

Country Link
CH (1) CH261864A (en)

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