CH120175A - Process for the production of a new dye. - Google Patents

Process for the production of a new dye.

Info

Publication number
CH120175A
CH120175A CH120175DA CH120175A CH 120175 A CH120175 A CH 120175A CH 120175D A CH120175D A CH 120175DA CH 120175 A CH120175 A CH 120175A
Authority
CH
Switzerland
Prior art keywords
new dye
production
sci
dianilidobenzoquinone
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 CH120175A publication Critical patent/CH120175A/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

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     SCI"    und zwar im Verhältnis  von 1     Mol.        2,5-Dianilidobenzochinon    zu 1       Mo1.        SCI"    bei höherer Temperatur behandelt.  Der neue Farbstoff bildet ein schwärzliches  Pulver, das sich in konzentrierter Schwefel  säure mit rotvioletter Farbe löst und Wolle  aus der     Küpe    olive 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 5-10   mit 2,8 Teilen einer Lösung  von Chlor in     Schwefeldichlorid,    entsprechend  der Zusammensetzung     SCl3,    versetzt. Hier  auf wird auf<B>100'</B> erhitzt und das Gemisch  einige Zeit bei dieser Temperatur belassen.    Der neue Farbstoff wird sodann kalt fil  triert, mit Alkohol nachgewaschen und ge  trocknet.     Die    Reaktion kann auch bei Gegen  wart von säurebindenden Mitteln, wie Kreide.,       Mg0    oder     tiergleichen    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 SCI "in a ratio of 1 mol. 2,5-dianilidobenzoquinone to 1 mol . SCI "treated at a higher temperature. The new dye forms a blackish powder that dissolves in concentrated sulfuric acid with a red-violet color and dyes wool from the vat olive.



  <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 5-10, with 2.8 parts of a solution of chlorine in sulfur dichloride, corresponding to Composition SCl3, offset. Here it is heated to <B> 100 '</B> and the mixture is left at this temperature 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, Mg0 or similar.

Claims (1)

PATENTAN SPR (ICH 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 SCI" und zwar im Verhältnis von 1 Hol. 2,5-Dianili- dobenzochinon zu 1 Mol. SCI" bei höherer Temperatur behandelt. Der neue Farbstoff bildet ein schwärzliches Pulver, das sich in konzentrierter Schwefelsäure mit rotvioletter Farbe löst und Wolle aus der Küpe olive färbt. PATENTAN SPR (ICH process for the production of a new dye, characterized in that 2,5-dianilidobenzoquinone is mixed with a solution of chlorine in sulfur dichloride, corresponding to the composition SCI "in a ratio of 1 hol. 2,5-dianili- dobenzoquinone to 1 mol. SCI "treated at a higher temperature. The new dye forms a blackish powder that dissolves in concentrated sulfuric acid with a red-violet color and dyes wool from the vat olive.
CH120175D 1923-10-27 1925-09-16 Process for the production of a new dye. CH120175A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH108932T 1923-10-27
CH120175T 1925-09-16

Publications (1)

Publication Number Publication Date
CH120175A true CH120175A (en) 1927-05-02

Family

ID=25707514

Family Applications (1)

Application Number Title Priority Date Filing Date
CH120175D CH120175A (en) 1923-10-27 1925-09-16 Process for the production of a new dye.

Country Status (1)

Country Link
CH (1) CH120175A (en)

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