CH119369A - Process for the production of a new dye. - Google Patents

Process for the production of a new dye.

Info

Publication number
CH119369A
CH119369A CH119369DA CH119369A CH 119369 A CH119369 A CH 119369A CH 119369D A CH119369D A CH 119369DA CH 119369 A CH119369 A CH 119369A
Authority
CH
Switzerland
Prior art keywords
new dye
acid
parts
production
orange
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 CH119369A publication Critical patent/CH119369A/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
    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

  

  Verfahren zur Herstellung eines neuen Farbstoffes.    Es wurde gefunden, dass man einen neuen       Farbstoff    erhält, wenn man diejenige     Phenyl-          barbitursäure,    welche aus     Phenylharnstoff     und     Malonester    erhalten wird, mit     diazotierter          4-Chlor-2-amino-l-phenol-5-sulfosäure    kuppelt       und    das so erhaltene Produkt mit     Chrom-          formiat    behandelt.

   Der neue Farbstoff bildet  ein braunes Pulver, löst sich in verdünnter       Sodalösung    mit orangegelber Farbe und er  zeugt auf Wolle, aus saurem Bade gefärbt,  echte rotorange Töne.  



       Beispiel:     224 Teile     4-Chlor-2-amino-l-pheriol-5-sul-          fosäure    werden wie üblich     diazotiert    und in  ein Gemisch aus 214 Teilen     Phenylbarbitur-          säure.    133 Teilen 30     0%iger    Natronlauge,  170 Teilen Soda und 1500 Teilen Wasser  eingetragen. Die Kupplung setzt sofort ein,  zu ihrer Vervollständigung rührt man noch  einige Zeit. Der gebildete     Farbstoff    wird  dann filtriert und getrocknet.

      44,9 Teile dieses Farbstoffes werden in  650 Teilen kochendem Wasser gelöst und  mit einer     Chromformiatlösung    entsprechend  15,2 Teilen     Cr20s    versetzt. Man kocht meh  rere Stunden am     Rückflusskühler,    dampft  teilweise ein und gewinnt die neue Chrom  verbindung durch Filtrieren, gegebenenfalls  unter vorherigem     Aussalzen.  



  Process for the production of a new dye. It has been found that a new dye is obtained if that phenylbarbituric acid, which is obtained from phenylurea and malonic ester, is coupled with diazotized 4-chloro-2-amino-1-phenol-5-sulfonic acid and the product thus obtained is coupled with it Chromium formate treated.

   The new dye forms a brown powder, dissolves in a dilute soda solution with an orange-yellow color and it produces real red-orange tones on wool, dyed from an acid bath.



       Example: 224 parts of 4-chloro-2-amino-1-pheriol-5-sulphonic acid are diazotized as usual and converted into a mixture of 214 parts of phenylbarbituric acid. 133 parts of 30% strength sodium hydroxide solution, 170 parts of soda and 1500 parts of water entered. The clutch works immediately, and stir for some time to complete. The dye formed is then filtered and dried.

      44.9 parts of this dye are dissolved in 650 parts of boiling water and a chromium formate solution corresponding to 15.2 parts of Cr20s is added. It is boiled for several hours on the reflux condenser, partially evaporated and the new chromium compound is obtained by filtration, if necessary with prior salting out.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines neuen Farbstoffes; dadurch gekennzeichnet, dass man diejenige Phenylbarbitursäure, welche aus Phenylharnstoff und Malonester erhalten wird, mit diazotierter 4-Chlor-2-amino-l-phenol-5- sulfosäure kuppelt und das so erhaltene Pro dukt mit Chromformiat behandelt. Der neue Farbstoff bildet ein braunes Pulver, löst sich in verdünnter Sodalösung mit orangegelber Farbe und erzeugt auf Wolle, aus saurem Bade gefärbt, echte rotorange Töne. PATENT CLAIM: Process for producing a new dye; characterized in that that phenylbarbituric acid which is obtained from phenylurea and malonic ester is coupled with diazotized 4-chloro-2-amino-1-phenol-5-sulfonic acid and the product thus obtained is treated with chromium formate. The new dye forms a brown powder, dissolves in a dilute soda solution with an orange-yellow color and produces real red-orange tones on wool dyed from an acid bath.
CH119369D 1924-12-24 1924-12-24 Process for the production of a new dye. CH119369A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH114283T 1924-12-24
CH119369T 1924-12-24

Publications (1)

Publication Number Publication Date
CH119369A true CH119369A (en) 1927-03-16

Family

ID=25708296

Family Applications (1)

Application Number Title Priority Date Filing Date
CH119369D CH119369A (en) 1924-12-24 1924-12-24 Process for the production of a new dye.

Country Status (1)

Country Link
CH (1) CH119369A (en)

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