CH184783A - Process for the production of a vat dye. - Google Patents

Process for the production of a vat dye.

Info

Publication number
CH184783A
CH184783A CH184783DA CH184783A CH 184783 A CH184783 A CH 184783A CH 184783D A CH184783D A CH 184783DA CH 184783 A CH184783 A CH 184783A
Authority
CH
Switzerland
Prior art keywords
production
vat
dye
vat dye
amino
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 CH184783A publication Critical patent/CH184783A/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

  

  Verfahren zur Herstellung eines     fiüpenfarbstoffes.       Vorliegendes Patent bezieht sich auf ein  Verfahren zur Herstellung eines     Küpen-          farbstoffes,dadurch        gekennzeichnet,        dass    man  das     2(1'-Amino-2'-anthrachinonyl)-benzothi-          azol-6-karbonsäurechlorid        mit        1-Amino-an-          thra.chinon    kondensiert.  



  Der so erhaltene Farbstoff löst sich in  konzentrierter Schwefelsäure mit gelbbrauner  Farbe, die auf Zusatz von     Paraformaldehyd     blaugrün wird, und färbt Baumwolle aus  blauer     Küpe    in echten, besonders     chlorechten          roten    Tönen.  



  <I>Beispiel:</I>  42 kg     2(1'-Amino-2'-anthrachinonyl)-          benzothiazol-6-karbonsäurechlorid    werden mit  23 kg     1-Aminoanthra.chinon    in 400 kg     Nitro-          benzol    durch     etwa    einstündiges Erwärmen    auf 200   C kondensiert. Das Kondensations  produkt wird nach Erkalten     abgesaugt        und     gewaschen.



  Process for the production of a fountain dye. The present patent relates to a process for the production of a vat dye, characterized in that the 2 (1'-amino-2'-anthraquinonyl) -benzothiazole-6-carboxylic acid chloride is mixed with 1-amino-anthraquinone condensed.



  The dye thus obtained dissolves in concentrated sulfuric acid with a yellow-brown color, which turns blue-green on addition of paraformaldehyde, and dyes cotton from a blue vat in real, particularly chlorine-fast red shades.



  <I> Example: </I> 42 kg of 2 (1'-amino-2'-anthraquinonyl) -benzothiazole-6-carboxylic acid chloride are mixed with 23 kg of 1-aminoanthraquinone in 400 kg of nitrobenzene by heating to 200 kg for about one hour C condensed. After cooling, the condensation product is filtered off with suction and washed.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines Küpen- farbstoffes,dadurch gekennzeichnet, dass man das 2(1'-Amino-2'-a.nthracIiinonyl)-ben,zothi- azol - 6 - karbonsäurechlorid mit 1- Amino- anthrachinonkondensiert. Der so ,erhaltene Farbstoff löst sich in konzentrierter Schwefelsäure mit gelbbrauner Farbe, die auf Zusatz von Paraformaldehyd blaugrün wird, PATENT CLAIM: Process for the production of a vat dye, characterized in that the 2 (1'-amino-2'-a.nthraciinonyl) -ben, zothiazole-6-carboxylic acid chloride is condensed with 1-amino anthraquinone. The dye obtained in this way dissolves in concentrated sulfuric acid with a yellow-brown color, which turns blue-green on addition of paraformaldehyde, und färbt Baumwolle aus blauer Küpe in echten, besonders chlorechten roten Tönen. and dyes cotton from a blue vat in real, especially chlorine-resistant red tones.
CH184783D 1934-01-20 1935-01-15 Process for the production of a vat dye. CH184783A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE184783X 1934-01-20
CH181532T 1935-01-15

Publications (1)

Publication Number Publication Date
CH184783A true CH184783A (en) 1936-06-15

Family

ID=25720546

Family Applications (1)

Application Number Title Priority Date Filing Date
CH184783D CH184783A (en) 1934-01-20 1935-01-15 Process for the production of a vat dye.

Country Status (1)

Country Link
CH (1) CH184783A (en)

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