CH103141A - Process for the production of a new indigoid dye. - Google Patents

Process for the production of a new indigoid dye.

Info

Publication number
CH103141A
CH103141A CH103141DA CH103141A CH 103141 A CH103141 A CH 103141A CH 103141D A CH103141D A CH 103141DA CH 103141 A CH103141 A CH 103141A
Authority
CH
Switzerland
Prior art keywords
new
production
dye
indigoid dye
parts
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 CH103141A publication Critical patent/CH103141A/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
    • C09B7/00Indigoid dyes
    • C09B7/10Bis-thionapthene indigos

Description

  

  <B>Zusatzpatent</B> zum Hauptpatent Nr.     10070"0.       Verfahren zur Herstellung eines neuen     indigoiden    Farbstoffes.    Es wurde gefunden, dass man     eineu    neuen       indigoiden        Farbstoff    erhält, wenn man das       4-Chlor-1    .     2-tbionaplithisatin,    welches durch  Kondensieren von     4-Chlor-1-thionaphtliol    mit       Oxalylchlorid    erhalten werden kann, mit     Oxy-          thionaphtenkarbonsäure    kondensiert und das  erhaltene Produkt     bromiert.     



  Der neue     Farbstoff    bildet ein rotes Pulver,  löst sich in     konz.    Schwefelsäure mit grüner  Farbe und gibt mit     Hy        drosulfit    und Natron  lauge     eine    gelbe     Küpe,    aus welcher Baum  wolle in blauen     Bordeauxtönen    gefärbt wird,  die beim Seifen etwas röter und     sehr    echt  werden.  



  <I>Beispiel</I>  In 10000 Teile Alkohol werden 248,5  Teile     4-Clilor-1    .     2-thionapbtliisatin    und 194  Teile     Oxy        thionaphtenkarbonsäure    eingetragen  und hierauf längere Zeit am     Rückflusskühler     gekocht. Der gebildete Farbstoff wird filtriert,  gewaschen und getrocknet.<B>380</B> Teile des so er  haltenen Farbstoffes werden bei     0     bis 5  in eine       Yischung    von 9000 Teilen     98 /oiger    Schwefel-         säure    mit 144 Teilen Brom eingetragen und  12 Stunden bei     gewöbnlicher    Temperatur ge  rührt.

   Hierauf wird auf Eis ausgetragen, der  abgeschiedene     Farbstoff    filtriert und getrock  net. Diese     Bromierung    kann auch in einem       indifferenten    Lösungsmittel, wie Nitrobenzol  oder Chlorbenzol, durchgeführt werden.



  <B> Additional patent </B> to main patent No. 10070 "0. Process for the preparation of a new indigoid dye. It has been found that a new indigoid dye is obtained if 4-chloro-1,2-tbionaplithisatin, which can be obtained by condensing 4-chloro-1-thionaphthiol with oxalyl chloride, condensed with oxythionaphtenecarboxylic acid and the product obtained is brominated.



  The new dye forms a red powder, dissolves in conc. Sulfuric acid with a green color and, with hydrosulphite and sodium hydroxide solution, gives a yellow vat from which cotton is dyed in blue bordeaux tones, which become a little redder and very real when soapy.



  <I> Example </I> In 10,000 parts of alcohol there are 248.5 parts of 4-Clilor-1. Entered 2-thionapbtliisatin and 194 parts of Oxy thionaphtenkarbonsäure and then boiled for a long time on the reflux condenser. The dyestuff formed is filtered, washed and dried. 380 parts of the dyestuff obtained in this way are added at 0 to 5 to a mixture of 9000 parts of 98% sulfuric acid with 144 parts of bromine and added for 12 hours ordinary temperature ge stirred.

   It is then poured onto ice, the deposited dye is filtered and net getrock. This bromination can also be carried out in an inert solvent such as nitrobenzene or chlorobenzene.

 

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines neuen in- digoideu Farbstoffes, dadurch gekennzeichnet, dass man 4-Chlor-1. 2-thionaphthisatiu mit Oxy- thionaphtenkarbonsäure kondensiert und das erhaltene Produkt bromiert. Der neue Farbstoff bildet ein rotes Pulver, löst sich in konz. Schwefelsäure mit grüner Farbe und gibt mit Hydrosulfit und Natron lauge eine gelbe Küpe, PATENT CLAIM: Process for the production of a new indigoideu dye, characterized in that 4-chloro-1. 2-thionaphthisatiu condensed with oxythionaphtenecarboxylic acid and the product obtained is brominated. The new dye forms a red powder, dissolves in conc. Sulfuric acid with green color and gives a yellow vat with hydrosulfite and sodium hydroxide solution, aus welcher Baumwolle in blauen Bordeauxtönen gefärbt wird, die beim Seifen etwas röter und sehr echt werden. which cotton is dyed in blue bordeaux tones, which become a little redder and very real when soapy.
CH103141D 1922-11-18 1922-12-07 Process for the production of a new indigoid dye. CH103141A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH100705T 1922-11-18
CH103141T 1922-12-07

Publications (1)

Publication Number Publication Date
CH103141A true CH103141A (en) 1924-01-16

Family

ID=25705822

Family Applications (1)

Application Number Title Priority Date Filing Date
CH103141D CH103141A (en) 1922-11-18 1922-12-07 Process for the production of a new indigoid dye.

Country Status (1)

Country Link
CH (1) CH103141A (en)

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