CH134853A - Process for the production of a new dye. - Google Patents

Process for the production of a new dye.

Info

Publication number
CH134853A
CH134853A CH134853DA CH134853A CH 134853 A CH134853 A CH 134853A CH 134853D A CH134853D A CH 134853DA CH 134853 A CH134853 A CH 134853A
Authority
CH
Switzerland
Prior art keywords
blue
production
dissolves
dye
water
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 CH134853A publication Critical patent/CH134853A/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
    • C09B3/00—Dyes with an anthracene nucleus condensed with one or more carbocyclic rings
    • C09B3/22—Dibenzanthrones; Isodibenzanthrones
    • C09B3/24—Preparation by synthesis of the nucleus
    • C09B3/26—Preparation by synthesis of the nucleus from dibenzanthronyls

Landscapes

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

Description

  

  <B>Zusatzpatent</B> zum Hauptpatent Nr. 119986.    Verfahren zur Herstellung eines neuen Farbstoffes.    Im Hauptpatent Nr.<B>119986</B> ist ein neues  Halogenderivat des     Dibenzanthrons    beschrie  ben, das sich von den bereits bekannten  Halogenderivaten des     Dibenzanthrons    durch  den blauen Farbton und durch die Wasserecht  heit seiner Baumwollfärbungen auszeichnet.  



  Es wurde nun gefunden, dass es auch  gelingt, durch Behandeln des     2,2'-Diben-          zanthronyls    in Gegenwart von     halogenierten     aromatischen     Kohlenwasserstoffen,    mit so viel       Ferrichlorid,    dass das erhaltene chlorhaltige  Produkt die Baumwolle aus der     Küpe    in  blauen, wasserechten Tönen färbt, einen dem  Produkt des Hauptpatentes vollständig eben  bürtigen Farbstoff zu erhalten.  



  Der Farbstoff löst sich in konzentrierter  Schwefelsäure     violettblau;    diese Lösung, in  Wasser gegossen, fällt blaue Flocken. In  siedendem Nitrobenzol und     Trichlorbenzol     löst er sich blauviolett mit intensiv roter  Fluoreszenz, in siedendem Anilin     rötlichblau.     <I>Beispiel:

  </I>  In einem mit Rührwerk versehenen, ge  schlossenen Eisenkessel werden 10 Teile         reines        2,2'-Dibenzanthronyl    in<B>250</B> Teilen       Trichlorbenzol    suspendiert, die Suspension  unter Rühren auf 1400 erwärmt, darauf  langsam in kleinen Portionen 60 Teile ge  schmolzenes, wasserfreies Eisenchlorid ein  getragen und die Temperatur während einiger  Stunden bei     140-150'    gehalten. Die     Farb-          stoffbildung    und     Halogenierung    setzt bald,  anfangs unter starker, später aber etwas  nachlassender     Salzsäuregasentwicklung    ein.

    Nach dem Erkalten wird der Inhalt des  Reaktionsgefässes so lange mit Wasserdampf  behandelt, bis alles     Trichlorbenzol    abgetrieben  ist. Dann wird der Rückstand zur vollstän  digen Entfernung des Eisens wiederholt  mit warmer verdünnter Salzsäure extrahiert,  säurefrei gewaschen und getrocknet.



  <B> Additional patent </B> to main patent No. 119986. Process for the production of a new dye. The main patent no. <B> 119986 </B> describes a new halogen derivative of dibenzanthrone, which is distinguished from the already known halogen derivatives of dibenzanthrone by the blue color and the waterfastness of its cotton dyes.



  It has now been found that it is also possible, by treating the 2,2'-dibenzanthronyl in the presence of halogenated aromatic hydrocarbons, with so much ferric chloride that the chlorine-containing product obtained dyes the cotton from the vat in blue, water-fast shades, to obtain a dye that is completely based on the product of the main patent.



  The dye dissolves in concentrated sulfuric acid violet blue; this solution, poured into water, falls blue flakes. In boiling nitrobenzene and trichlorobenzene it dissolves blue-violet with intense red fluorescence, in boiling aniline it dissolves reddish-blue. <I> example:

  In a closed iron kettle equipped with a stirrer, 10 parts of pure 2,2′-dibenzanthronyl are suspended in 250 parts of trichlorobenzene, the suspension is heated to 1400 with stirring, then slowly in small portions 60 Parts of molten, anhydrous ferric chloride are worn and the temperature is kept at 140-150 'for a few hours. The formation of color and halogenation soon sets in, initially with a strong, but later, somewhat diminishing, evolution of hydrochloric acid gas.

    After cooling, the contents of the reaction vessel are treated with steam until all of the trichlorobenzene has been driven off. The residue is then extracted repeatedly with warm, dilute hydrochloric acid, washed free of acid and dried in order to remove the iron completely.

Claims (1)

PATENTANSPRÜCH: Verfahren zur Herstellung eines Küpen- farbstoffes der Dibenzanthronreihe, dadurch gekennzeichnet, dass 2,2'-Dibenzanthronyl in Gegenwart von halogenierten aromatischen gohlenwasserstoffen mit so viel Ferrichlorid behandelt wird, dass das erhaltene chlorhaltige Produkt die Baumwolle aus der güpe in blauen, wasserechten Tönen färbt. PATENT CLAIM: Process for the production of a vat dye of the dibenzanthron series, characterized in that 2,2'-dibenzanthronyl is treated with so much ferric chloride in the presence of halogenated aromatic hydrocarbons that the chlorine-containing product obtained is the cotton from the güpe in blue, water-like shades colors. Der Farbstoff löst sich in konzentrierter Schwefelsäure violettblau; diese Lösung, in Wasser gegossen, fällt blaue Flocken. In siedendem Nitrobenzol und Trichlorbenzol löst er sich blauviolett mit intensiv roter Fluoreszenz, irr siedendem Anilin rötlichblau. The dye dissolves in concentrated sulfuric acid violet blue; this solution, poured into water, falls blue flakes. In boiling nitrobenzene and trichlorobenzene, it dissolves in blue-violet with intense red fluorescence, and in boiling aniline reddish-blue.
CH134853D 1928-07-04 1928-07-04 Process for the production of a new dye. CH134853A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH134853T 1928-07-04
CH119986T 1928-07-04

Publications (1)

Publication Number Publication Date
CH134853A true CH134853A (en) 1929-08-15

Family

ID=25709377

Family Applications (1)

Application Number Title Priority Date Filing Date
CH134853D CH134853A (en) 1928-07-04 1928-07-04 Process for the production of a new dye.

Country Status (1)

Country Link
CH (1) CH134853A (en)

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