CH120156A - Process for the production of a new dye. - Google Patents

Process for the production of a new dye.

Info

Publication number
CH120156A
CH120156A CH120156DA CH120156A CH 120156 A CH120156 A CH 120156A CH 120156D A CH120156D A CH 120156DA CH 120156 A CH120156 A CH 120156A
Authority
CH
Switzerland
Prior art keywords
new dye
production
dianilidobenzoquinone
brown
chlorine
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 CH120156A publication Critical patent/CH120156A/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
    • C09B57/00—Other synthetic dyes of known constitution
    • C09B57/002—Aminoketone dyes, e.g. arylaminoketone dyes

Landscapes

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

Description

  

  Verfahren zur Herstellung     eines    neuen Farbstoffes.    Es wurde gefunden, dass man einen neuen  Farbstoff erhält, wenn man     2,5-Dianilido-          benzochinon    mit einer Lösung von Chlor in       Schwefeldichlorid,    entsprechend der Zusam  mensetzung     SC1Z1,    und zwar im Verhältnis  von 1     Mol.        2,5-Dianilidobenzochinon    zu       Mol.        SC13,    behandelt.

   Der neue Farbstoff  bildet ein     rötlichbraunes    Pulver, das sich in  konzentrierter Schwefelsäure -mit     trübviolet-          ter    Farbe löst und Wolle aus der     Küpe          schwärzlichbraun    färbt.  



  <I>Beispiel:</I>  5,8 Teile     2,5-Dianilidobenzochinon    wer  den in etwa der 20fachen Menge Nitrobenzol  suspendiert und dann unter Kühlung bei  etwa 5 bis 10   mit 5,6 Teilen einer Lösung  von Chlor in     Schwefeldichlorid,    entsprechend  der Zusammensetzung     SC13,    versetzt, worauf  die Mischung einige Zeit gerührt wird. Der    neue Farbstoff wird sodann kalt filtriert,  mit Alkohol nachgewaschen und getrocknet.  Die Reaktion kann auch bei Gegenwart von       säurebindenden    Mitteln, wie Kreide,     Mg0     oder dergleichen, durchgeführt werden.



  Process for the production of a new dye. It has been found that a new dye is obtained if 2,5-dianilidobenzoquinone is mixed with a solution of chlorine in sulfur dichloride, corresponding to the composition SC1Z1, in a ratio of 1 mol. 2,5-dianilidobenzoquinone to mol. SC13, treated.

   The new dye forms a reddish brown powder that dissolves in concentrated sulfuric acid with a cloudy violet color and dyes wool from the vat blackish brown.



  <I> Example: </I> 5.8 parts of 2,5-dianilidobenzoquinone who are suspended in about 20 times the amount of nitrobenzene and then, with cooling at about 5 to 10, with 5.6 parts of a solution of chlorine in sulfur dichloride, corresponding to the Composition SC13, after which the mixture is stirred for some time. The new dye is then filtered cold, washed with alcohol and dried. The reaction can also be carried out in the presence of acid-binding agents such as chalk, MgO or the like.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines neuen Farbstoffes, dadurch gekennzeichnet, dass man 2,5-Dianilidobenzochinon mit einer Lö sung von' Chlor in Schwefeldichlorid, ent sprechend der Zusammensetzung SC13, und zwar im Verhältnis von 1 Mol. 2,5-Dianilido- benzochinon zu 2 Mol. SC13, behandelt. Claim: A process for the preparation of a new dye, characterized in that 2,5-dianilidobenzoquinone is mixed with a solution of 'chlorine in sulfur dichloride, corresponding to the composition SC13, in the ratio of 1 mol. 2,5-dianilidobenzoquinone to 2 moles. SC13. Der neue Farbstoff bildet ein rötlichbraunes Pul ver, das sich in konzentrierter Schwefelsäure mit trübvioletter Farbe löst und Wolle aus der Küpe schwärzhuhbraun färbt. The new dye forms a reddish-brown powder that dissolves in concentrated sulfuric acid with a cloudy purple color and dyes wool from the vat blackhog brown.
CH120156D 1923-10-27 1925-09-16 Process for the production of a new dye. CH120156A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH108932T 1923-10-27
CH120156T 1925-09-16

Publications (1)

Publication Number Publication Date
CH120156A true CH120156A (en) 1927-05-02

Family

ID=25707495

Family Applications (1)

Application Number Title Priority Date Filing Date
CH120156D CH120156A (en) 1923-10-27 1925-09-16 Process for the production of a new dye.

Country Status (1)

Country Link
CH (1) CH120156A (en)

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