CH86984A - Process for the production of an azo dye particularly suitable for cotton printing. - Google Patents

Process for the production of an azo dye particularly suitable for cotton printing.

Info

Publication number
CH86984A
CH86984A CH86984DA CH86984A CH 86984 A CH86984 A CH 86984A CH 86984D A CH86984D A CH 86984DA CH 86984 A CH86984 A CH 86984A
Authority
CH
Switzerland
Prior art keywords
production
particularly suitable
azo dye
cotton
printing
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 CH86984A publication Critical patent/CH86984A/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
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/10—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group
    • C09B29/16—Naphthol-sulfonic acids
    • 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
    • C09B45/00—Complex metal compounds of azo dyes
    • C09B45/02—Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
    • C09B45/14—Monoazo compounds
    • C09B45/16—Monoazo compounds containing chromium

Landscapes

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

Description

  

  Verfahren zur Herstellung eines zum     Baumwolldruck    besonders geeigneten     Azofarbstoffes.       Es wurde gefunden, dass man durch Kup  peln von     diazotierter        4-Cblor-2-aniino-l-oxy-          benzol-6-carbonsäure    mit     1-Oxynaphtalin-3-          sulfo-5-carbonsäure    einen     Azofarbstoff    erhält,  welcher sich in Wasser mit roter, in konzen  trierter Schwefelsäure mit violetter Farbe  löst und auf Baumwolle, nach dem Chrom  druckverfahren bedruckt, seifen-, chlor- und  lichtechte violette Töne gibt.  



       Beispiel:     Die auf bekannte Art aus 18,7 Teilen       4-Chlor-2-amino-1-oxybenzol-6-carbonsäure     dargestellte     Diazoverbindung    gibt man unter  Rühren     zii    einer möglichst konzentrierten Lö  sung von 29 Teilen des     Mononatriumsalzes     der     1-Ogynaphtalin-3-sulfo-5-carbonsäure,     40 Teilen Soda und 26 Teilen Natronlauge    ä 30      ,"o.    Der kristallinisch ausfallende     Farb-          stoff    wird kalt     filtriert,        gepresst    und getrocknet.



  Process for the production of an azo dye particularly suitable for cotton printing. It has been found that by coupling diazotized 4-chloro-2-aniino-1-oxybenzene-6-carboxylic acid with 1-oxynaphthalene-3-sulfo-5-carboxylic acid, an azo dye is obtained which turns red in water , dissolves in concentrated sulfuric acid with a violet color and, printed on cotton using the chrome printing process, gives soap, chlorine and lightfast violet tones.



       Example: The diazo compound prepared in a known manner from 18.7 parts of 4-chloro-2-amino-1-oxybenzene-6-carboxylic acid is added with stirring to a solution of 29 parts of the monosodium salt of 1-Ogynaphtalin-3- as concentrated as possible sulfo-5-carboxylic acid, 40 parts of soda and 26 parts of sodium hydroxide solution (30 °). The crystalline precipitating dye is filtered cold, pressed and dried.

Claims (1)

PATENTANSPRUCH: Verfabren zur Herstellung eines zum Baum wolldrucke besonders geeigneten Azofarb- stoffes, welcher sich in Wasser mit roter, in konzentrierter Schwefelsäure mit violetter Farbe löst und auf Baumwolle, nach dein Chromdruckverfahren bedruckt, ein seifen-, chlor- und lichtechtes Violett gibt, dadurch gekennzeichnet, dass die Diazoverbindung der 4- Chlor -2-amino-1-oxybenzol-6-carbonsä.ure mit 1-Oxynaplitalin-3-sulfo-5-carboirsäure kombiniert wird. PATENT CLAIM: Process for the production of an azo dye particularly suitable for cotton printing, which dissolves in water with red, in concentrated sulfuric acid with violet color and gives cotton, printed according to the chrome printing process, a soap, chlorine and lightfast violet characterized in that the diazo compound of 4-chloro-2-amino-1-oxybenzene-6-carboxylic acid is combined with 1-oxynaplitalin-3-sulfo-5-carboxylic acid.
CH86984D 1918-05-24 1918-05-24 Process for the production of an azo dye particularly suitable for cotton printing. CH86984A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH86026T 1918-05-24
CH86984T 1918-05-24

Publications (1)

Publication Number Publication Date
CH86984A true CH86984A (en) 1920-10-16

Family

ID=25703523

Family Applications (1)

Application Number Title Priority Date Filing Date
CH86984D CH86984A (en) 1918-05-24 1918-05-24 Process for the production of an azo dye particularly suitable for cotton printing.

Country Status (1)

Country Link
CH (1) CH86984A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2682074A (en) * 1950-01-14 1954-06-29 Air Way Electric Appl Corp Latch mechanism for vacuum cleaner floor tool parts

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2682074A (en) * 1950-01-14 1954-06-29 Air Way Electric Appl Corp Latch mechanism for vacuum cleaner floor tool parts

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