CH105399A - Process for the production of an indigoid dye. - Google Patents

Process for the production of an indigoid dye.

Info

Publication number
CH105399A
CH105399A CH105399DA CH105399A CH 105399 A CH105399 A CH 105399A CH 105399D A CH105399D A CH 105399DA CH 105399 A CH105399 A CH 105399A
Authority
CH
Switzerland
Prior art keywords
production
dye
indigoid dye
orange
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 CH105399A publication Critical patent/CH105399A/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
    • C09B7/12—Other thionaphthene 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  das     Acenaphthenchinon    mit     7-C111.or-2,1-          naphththioindoxyl        kondensiert.    Der Farb  stoff stellt ein orangerotes Pulver dar, das  sich     in    Schwefelsäure mit olivgrüner Farbe  löst.

   Er bildet eine braune     Küpe        und:    färbt  Baumwolle in orangen Tönen von sehr     guten          Echtheitseigeneshaften.     



  <I>Beispiel:</I>  182     Teile        Acenaphthenchinon    und     234     Teile     7-Chlor-2,1-naphththioindoxyl    werden  in 4000 Teilen Alkohol suspendiert und     nach     Zugabe von 5 Teilen konzentrierter Salzsäure  zum Sieden erhitzt. Nach kurzer Zeit ist die    Kondensation     beendigt.    Der .abgeschiedene  Farbstoff     wird,abfiltriert,    gewaschen und ge  trocknet.



      Process for the production of an indigoid dye. It was found that an indigoid dye can be produced if the acenaphthenquinone is condensed with 7-C111.or-2,1-naphththioindoxyl. The dye is an orange-red powder that dissolves in sulfuric acid with an olive-green color.

   It forms a brown vat and: dyes cotton in orange tones with very good fastness properties.



  <I> Example: </I> 182 parts of acenaphthenquinone and 234 parts of 7-chloro-2,1-naphthioindoxyl are suspended in 4000 parts of alcohol and, after addition of 5 parts of concentrated hydrochloric acid, heated to the boil. The condensation will end after a short time. The dyestuff deposited is filtered off, washed and dried.

Claims (1)

PATENTANSPRUCH: Verfahren zur Rerstellung eines indi- goiden Farbstoffes, dadurch gekennzeichnet, dass man Acenaphthenchinon mit 7-Chlör- 2,1-naphththioind-oxyl kondensiert. Der Farb stoff stellt ein orangerotes Pulver dar, das sich in Schwefelsäure mit olivgrüner Farbe löst. PATENT CLAIM: Process for the production of an indigoid dye, characterized in that acenaphthenquinone is condensed with 7-chloro-2,1-naphthioindoxyl. The dye is an orange-red powder that dissolves in sulfuric acid with an olive-green color. Er bildet eine Küpe und färbt Baum wolle in orangen Tönen von sehr guten E:cht- heitseigenstb aften. It forms a vat and dyes cotton in orange tones with very good authenticity properties.
CH105399D 1922-11-18 1923-05-19 Process for the production of an indigoid dye. CH105399A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH100705T 1922-11-18
CH105399T 1923-05-19

Publications (1)

Publication Number Publication Date
CH105399A true CH105399A (en) 1924-06-16

Family

ID=25705836

Family Applications (1)

Application Number Title Priority Date Filing Date
CH105399D CH105399A (en) 1922-11-18 1923-05-19 Process for the production of an indigoid dye.

Country Status (1)

Country Link
CH (1) CH105399A (en)

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