CH107528A - Process for the production of an indigoid dye. - Google Patents

Process for the production of an indigoid dye.

Info

Publication number
CH107528A
CH107528A CH107528DA CH107528A CH 107528 A CH107528 A CH 107528A CH 107528D A CH107528D A CH 107528DA CH 107528 A CH107528 A CH 107528A
Authority
CH
Switzerland
Prior art keywords
production
dye
indigoid dye
violet
indigoid
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 CH107528A publication Critical patent/CH107528A/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
    • C09B7/00—Indigoid dyes
    • C09B7/10—Bis-thionapthene indigos

Landscapes

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

Description

  

  Verfahren zur Herstellung eines     indigoiden        Farbstoffes.       Es wurde gefunden, dass man einen     indi-          goiden    Farbstoff herstellen kann, wenn  man ein     a-Ketomonoanil    des     Thionaphthen-          chinons    mit     1-Chlor-2,3-naphththioindoxyl          kondensiert.    Der Farbstoff stellt ein violett  rotes Pulver dar, das sich in konzentrierter  Schwefelsäure mit grüner Farbe löst. Er bil  det eine gelbe     Küpe    und färbt     Baumwolle    in       violettroten    Tönen von sehr guter Echtheit.

         Beispiel:     282 Teile     ThionaplithencIiinon-p-dimetllyl-          amino-2-anil    und 234,5 Teile     1-Chlor-2,3-          naphthtliioindoxyl    werden in 500 Teilen Al  kohol suspendiert und unter Rühren zum Sie  den erhitzt. Das Reaktionsprodukt scheidet  sich sofort ab. Nach dem Erkalten wird fil-         triert,    mit Alkohol     gewaschen    und der Farb  stoff getrocknet.



  Process for the production of an indigoid dye. It has been found that an indigoid dye can be produced by condensing an α-ketomonoanil of thionaphthene-quinone with 1-chloro-2,3-naphthioindoxyl. The dye is a purple-red powder that dissolves in concentrated sulfuric acid with a green color. It forms a yellow vat and dyes cotton in violet-red tones with very good fastness.

         Example: 282 parts of ThionaplithencIinon-p-dimetllyl-amino-2-anil and 234.5 parts of 1-chloro-2,3-naphthtliioindoxyl are suspended in 500 parts of alcohol and heated to you with stirring. The reaction product separates out immediately. After cooling, it is filtered, washed with alcohol and the dye dried.

Claims (1)

PATENTANSPRUCH Verfahren zur Herstellung eines indigoi- den Farbstoffes, dadurch gekennzeichnet, dass man ein a-Ketomonoanil. des Thio- naphthenchinons mit 1-Chlor-2,3-naphth- thioind@oxyl kondensiert. Der Farbstoff stellt ein violettrotes Pulver dar, d:as sich in kou- z.entrierter Schwefelsäure mit grüner Farbe löst. PATENT CLAIM Process for the production of an indigoid dye, characterized in that an α-ketomonoanil. of the thio-naphthenquinone with 1-chloro-2,3-naphth-thioind @ oxyl condensed. The dye is a violet-red powder, which dissolves in concentrated sulfuric acid with a green color. Er bildet eine gelbe Küpe und färbt Baumwolle in violettroten Tönen von sehr guter Echtheit. It forms a yellow vat and dyes cotton in violet-red tones with very good fastness.
CH107528D 1922-11-18 1923-03-29 Process for the production of an indigoid dye. CH107528A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH100705T 1922-11-18
CH107528T 1923-03-29

Publications (1)

Publication Number Publication Date
CH107528A true CH107528A (en) 1924-11-01

Family

ID=25705877

Family Applications (1)

Application Number Title Priority Date Filing Date
CH107528D CH107528A (en) 1922-11-18 1923-03-29 Process for the production of an indigoid dye.

Country Status (1)

Country Link
CH (1) CH107528A (en)

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