CH143283A - Process for the production of a brown vat dye of the anthanthrone series. - Google Patents

Process for the production of a brown vat dye of the anthanthrone series.

Info

Publication number
CH143283A
CH143283A CH143283DA CH143283A CH 143283 A CH143283 A CH 143283A CH 143283D A CH143283D A CH 143283DA CH 143283 A CH143283 A CH 143283A
Authority
CH
Switzerland
Prior art keywords
brown
production
red
vat dye
anthanthrone
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellsc Farbenindustrie
Original Assignee
Ig Farbenindustrie Ag
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 Ig Farbenindustrie Ag filed Critical Ig Farbenindustrie Ag
Publication of CH143283A publication Critical patent/CH143283A/en

Links

Landscapes

  • Coloring (AREA)

Description

  

  Verfahren zur Herstellung eines     braunen        Nüpenfarbstoffes    der     Anthanthronreihe.       Vorliegendes Patent bezieht sich auf ein  Verfahren zur Herstellung eines braunen Kii-         penfarbstoffes    der     Anthanthronreihe    von der  wahrscheinlichen Formel:'  
EMI0001.0006     
    dadurch gekennzeichnet, dass man     Dibrom-          anthanthron    mit der     diniolekularen    Menge       1-Amino-anthrachinon-2-aldehyd    bei höherer  Temperatur zur Umsetzung bringt.

   Der Farb  stoff löst sich in konzentrierter Schwefelsäure  mit roter, in heissem Nitrobenzol mit brauner  Farbe.     Er    färbt Baumwolle aus rotvioletter       Hydrosulfitküpe    in rotbraunen echten Tönen an.       Beispiel:     4,6 Teile     Dibrom-anthanthron        (vergl.     Schweizerisches     PatentNr.130618)    und 5 Teile         1-Amiiio-anthrachinoii-2-aldehyd    werden in  200 Teilen Naphthalin unter Zusatz von 4  Teilen wasserfreiem     Natriumacetat    und 0,5  Teilen     Kupferchlorür    einige Stunden unter       Rückfluss    gekocht.

   Die noch warme Schmelze  wird mit Naphtha verdünnt,     abgesaugt,     mit Naphtha,     darin    mit Spiritus und heissem,  ganz verdünntem Ammoniak gewaschen und  getrocknet.



  Process for the production of a brown nub dye of the anthanthrone series. The present patent relates to a process for the production of a brown box dye of the anthanthrone series of the probable formula: '
EMI0001.0006
    characterized in that dibromanthanthrone is reacted with the dinolecular amount of 1-amino-anthraquinone-2-aldehyde at a higher temperature.

   The dye dissolves in concentrated sulfuric acid with a red color and in hot nitrobenzene with a brown color. He dyes cotton from red-violet hydrosulfite vat in red-brown real tones. Example: 4.6 parts of dibromo-anthanthrone (see Swiss Patent No. 130618) and 5 parts of 1-Amiiio-anthraquinone-2-aldehyde are added to 200 parts of naphthalene with 4 parts of anhydrous sodium acetate and 0.5 part of copper chloride for a few hours Boiled under reflux.

   The still warm melt is diluted with naphtha, filtered off with suction, washed with naphtha, then with spirit and hot, completely diluted ammonia and dried.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines braunen Küpenfarbstoffes der Anthanthronreihe, da- durch gekennzeichnet, dass man Dibrom-an- thanthron mit der dimolekularen Menge 1-Amino-anthrachinolr2-aldehyd bei höherer Temperatur zur Umsetzung bringt. Der Farbstoff löst sich in konzentrierter Schwefelsäure mit roter, in heissem Nitro- benzol mit brauner Farbe. Er färbt Baum wolle aus rotvioletter Hydrosulfitküpe in rotbraunen echten Tönen an. PATENT CLAIM: Process for the production of a brown vat dye of the anthanthrone series, characterized in that dibromo-an- thanthrone is reacted with the dimolecular amount of 1-amino-anthraquinolr2-aldehyde at a higher temperature. The dye dissolves in concentrated sulfuric acid with a red color, in hot nitrobenzene with a brown color. He dyes cotton from red-violet hydrosulfite vat in real red-brown shades.
CH143283D 1927-08-30 1928-08-15 Process for the production of a brown vat dye of the anthanthrone series. CH143283A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE143283X 1927-08-30
CH139810T 1928-08-15

Publications (1)

Publication Number Publication Date
CH143283A true CH143283A (en) 1930-10-31

Family

ID=25713406

Family Applications (1)

Application Number Title Priority Date Filing Date
CH143283D CH143283A (en) 1927-08-30 1928-08-15 Process for the production of a brown vat dye of the anthanthrone series.

Country Status (1)

Country Link
CH (1) CH143283A (en)

Similar Documents

Publication Publication Date Title
CH143283A (en) Process for the production of a brown vat dye of the anthanthrone series.
CH143284A (en) Process for the production of a brown vat dye of the anthanthrone series.
CH228135A (en) Process for the production of a vat dye.
DE493409C (en) Process for the production of brown dyes of the anthanthrone series
CH200537A (en) Process for the production of a vat dye.
CH152776A (en) Process for the production of a real vat dye.
CH106444A (en) Process for the production of a new indigoid dye.
CH165052A (en) Process for the production of a new vat dye.
CH159856A (en) Process for the preparation of a real vat dye of the anthraquinone series.
CH101090A (en) Process for the production of an indigoid dye.
CH266027A (en) Process for the production of a vat dye.
CH228137A (en) Process for the preparation of a vat dye.
CH106438A (en) Process for the production of a new indigoid dye.
CH234295A (en) Process for the production of a vat dye.
CH106436A (en) Process for the production of a new indigoid dye.
CH156022A (en) Process for the production of a new vat dye.
CH199193A (en) Process for the preparation of a new anthraquinone dye.
CH152775A (en) Process for the production of a real vat dye.
CH104243A (en) Process for the production of a vat dye of the anthraquinone series.
CH106430A (en) Process for the production of a new indigoid dye.
CH116155A (en) Process for the preparation of a vat dye of the anthraquinone series.
CH165053A (en) Process for the production of a new vat dye.
CH103141A (en) Process for the production of a new indigoid dye.
CH100390A (en) Process for the preparation of a dye.
CH204125A (en) Process for the production of a vat dye.