CH235470A - Process for the production of a sulfur dye. - Google Patents

Process for the production of a sulfur dye.

Info

Publication number
CH235470A
CH235470A CH235470DA CH235470A CH 235470 A CH235470 A CH 235470A CH 235470D A CH235470D A CH 235470DA CH 235470 A CH235470 A CH 235470A
Authority
CH
Switzerland
Prior art keywords
production
dye
sulfur dye
oleum
sulfur
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellsc Farbenindustrie
Original Assignee
Ig Farbenindustrie Ag
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 Ig Farbenindustrie Ag filed Critical Ig Farbenindustrie Ag
Publication of CH235470A publication Critical patent/CH235470A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B49/00Sulfur dyes
    • C09B49/12Sulfur dyes from other compounds, e.g. other heterocyclic compounds
    • C09B49/124Sulfur dyes from other compounds, e.g. other heterocyclic compounds from polycarbocyclic compounds

Landscapes

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

Description

  

  Verfahren zur Herstellung eines     Schwefelfarbstoffes.       Im     Hauptpatent    ist ein Verfahren zur       Herstellung        eines        Schwefelfarbstoffes    be  schrieben, gemäss welchem man das     durch          Kondensieren    von     Tetrachlorpyrenebinon,          wie    es erhältlich ist durch Behandeln von       1.2.3.5.6.7.8'.10-Octochdor-1.2.6.7-tetrahydro-          pyren    mit     Oleum,        zeit    Anilin im     Molver        ,

  ält-          nis    1 : 1 erhaltene     Kondensationsprodukt    der       Verschwefelung        unterwirft.     



  Wie nun weiter gefunden wurde, erhält  man einen Farbstoff mit sehr     ähnlichen          Eigenschaften,    wenn     man,das    durch Konden  sation des     Isomerengemisches    der     Tetrachlor-          pyrenchinone,    wie     es        .durch    Behandeln von       1.2.3.5.6.7.8.10-Octochlor-1.2.6.7-tetrahydro-          pyren    mit     Oleum    erhältlich ist, mit Ammoniak  im     Molverhältnis    1 :

   1 erhaltene     Kondensa-          tionsproJukt    der     Versehwefelun.g    unterwirft.  <I>Beispiel::</I>  10     Gewichtsteile    des     Kondensationspro-          duktes    aus     .Tetrachlorpyrenchinon        (Isomeren-          gemisch),        erhältlich    durch Behandeln von       1.2.3.5.6.7.8.10-Octochäor-@1.2.6.7-tetrahydro-          pyren    mit     Oleum,

      und Ammoniak im Mol-         verhältnis-1    1 werden mit     etwa    40 Gewichts  teilen Schwefel bis zur     Beendigung-der_Farb-          stoffbildung    .auf 240-280  erhitzt. Man er  hält     nach    dem üblichen Aufschliessen mit       Schwefelnatrium        einen    Farbstoff, der Baum  wolle in sehr schönen braunen     Tönen    färbt.  Die Färbungen zeigen sehr gute     Echtheits-          eigenschaften.  



  Process for the production of a sulfur dye. In the main patent, a process for the preparation of a sulfur dye is described, according to which one can be obtained by condensing tetrachloropyrenebinone, as can be obtained by treating 1.2.3.5.6.7.8'.10-octochloro-1.2.6.7-tetrahydropyrene with oleum , time aniline in the Molver,

  Old 1: 1 obtained condensation product subjected to the sulphurisation.



  As has now been found further, one obtains a dye with very similar properties if one, by condensation of the isomer mixture of the tetrachloropyrenequinones, as it .by treating 1.2.3.5.6.7.8.10-octochloro-1.2.6.7-tetrahydro - Pyrene is available with oleum, with ammonia in a molar ratio of 1:

   1 condensation product obtained is subjected to sulfurization. <I> Example :: </I> 10 parts by weight of the condensation product from tetrachloropyrenequinone (mixture of isomers), obtainable by treating 1.2.3.5.6.7.8.10-Octochäor-@1.2.6.7-tetrahydropyrene with oleum,

      and ammonia in a molar ratio of -11 are heated to 240-280 with about 40 parts by weight of sulfur until the end of the formation of the dye. After the usual digestion with sodium sulphide, a dye is obtained that dyes the cotton in very beautiful brown tones. The dyeings show very good fastness properties.

 

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines Schwe- felfarbstoffes, dadurch gekennzeichnet, dass man das durch Kondensation des Isomeren- gemisehes der Tetrachlorpyrenchinone, wie es durch Behandeln von 1.2.3.5.6.7.8.10-Octo- eblör-1.2.6.7-tetrahydropyren mit Oleum er hältlich ist, mit Ammoniak im Molverhältnis 1: PATENT CLAIM: Process for the production of a sulfur dye, characterized in that it is obtained by condensation of the mixture of isomers of the tetrachloropyrenequinones, as is the case by treating 1.2.3.5.6.7.8.10-octoblour-1.2.6.7-tetrahydropyrene with oleum is available, with ammonia in a molar ratio of 1: 1 erhaltene Kondensationsprodukt der Versehwefelung unterwirft. Der Farbstoff färbt Baumwolle in sehr schönen braunen Tönen, von vorziiglicher Echtheit. 1 condensation product obtained is subjected to sulfurization. The dye dyes cotton in very beautiful brown tones, with excellent fastness.
CH235470D 1941-01-29 1941-12-18 Process for the production of a sulfur dye. CH235470A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE235470X 1941-01-29
CH230266T 1941-12-18

Publications (1)

Publication Number Publication Date
CH235470A true CH235470A (en) 1944-11-30

Family

ID=25727457

Family Applications (1)

Application Number Title Priority Date Filing Date
CH235470D CH235470A (en) 1941-01-29 1941-12-18 Process for the production of a sulfur dye.

Country Status (1)

Country Link
CH (1) CH235470A (en)

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