CH132205A - Process for producing a solid diazoazo compound. - Google Patents

Process for producing a solid diazoazo compound.

Info

Publication number
CH132205A
CH132205A CH132205DA CH132205A CH 132205 A CH132205 A CH 132205A CH 132205D A CH132205D A CH 132205DA CH 132205 A CH132205 A CH 132205A
Authority
CH
Switzerland
Prior art keywords
solid
compound
producing
diazoazo
azo
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 CH132205A publication Critical patent/CH132205A/en

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

Description

  

  Verfahren zur Herstellung einer festen     Diazoazoverbindung.       Vorliegendes Patent bezieht sich auf ein  Verfahren zur Herstellung einer festen     Diazo-          azoverbindung,    das dadurch gekennzeichnet  ist, dass man aus einer Lösung der     Diazo-          verbindung    des     Aminoazokörpers        4-Nitro-2-          methylbenzol-azo-2-amino-1    .     4-dimethogyben-          zol    durch Zusatz von Chlorzink ein festes       Chlorzinkdoppelsalz    der Formel:  
EMI0001.0012     
    abscheidet.

    Die so erhaltene feste     Diazoazoverbindung     ist ein rotbraunes Pulver, das sich in Wasser  mit bräunlicher Farbe löst.  



       Beispiel:     Eine aus 316 Teilen des     p-Aminoazo-          körpers    :     4-Nitro-2-methylbenzol-azo-2-amino-          1.4-dimethogybenzol    hergestellte     Diazonium-          chloridlösung    wird mit Hilfe von 100 Teilen  Chlorzink und einer genügenden Menge Koch-    salz gefällt. Das abgeschiedene Chlorzink  doppelsalz wird getrocknet und gleichmässig  mit geeigneten Verdünnungsmitteln gemischt.



  Process for producing a solid diazoazo compound. The present patent relates to a process for the preparation of a solid diazo-azo compound, which is characterized in that 4-nitro-2-methylbenzene-azo-2-amino-1. 4-dimethogybenzene by adding zinc chloride a solid zinc chloride double salt of the formula:
EMI0001.0012
    separates.

    The solid diazoazo compound thus obtained is a red-brown powder which dissolves in water with a brownish color.



       Example: A diazonium chloride solution prepared from 316 parts of the p-aminoazo body: 4-nitro-2-methylbenzene-azo-2-amino-1,4-dimethogybenzene is precipitated with the help of 100 parts of zinc chloride and a sufficient amount of common salt. The separated zinc chloride double salt is dried and mixed evenly with suitable thinners.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung einer festen Diazoazoverbindung, dadurch gekennzeichnet, dass man aus einer Lösung der Diazoverbin- dung des Aminoazokörpers 4-Nitro-2-methyl- benzol-azo-2-amino-l.4-dimethogybenzoldurch Zusatz von Chlorzink ein festes Ohlorzink- doppelsalz der Formel: EMI0001.0030 abscheidet. Die so erhaltene feste Diazoazoverbindung ist beständig. Sie ist ein rotbraunes Pulver, das sich in Wasser mit bräunlicher Farbe löst. PATENT CLAIM: A process for the production of a solid diazoazo compound, characterized in that 4-nitro-2-methylbenzene-azo-2-amino-1,4-dimethogybenzene is converted from a solution of the diazo compound of the aminoazo 4-nitro-2-methylbenzene-azo-2-amino-1,4-dimethogybenzene by adding zinc chloride to a solid oxyzinc - double salt of the formula: EMI0001.0030 separates. The solid diazoazo compound thus obtained is stable. It is a red-brown powder that dissolves in water with a brownish color.
CH132205D 1926-10-05 1927-10-03 Process for producing a solid diazoazo compound. CH132205A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE132205X 1926-10-05
CH130424T 1927-10-03

Publications (1)

Publication Number Publication Date
CH132205A true CH132205A (en) 1929-03-31

Family

ID=25711438

Family Applications (1)

Application Number Title Priority Date Filing Date
CH132205D CH132205A (en) 1926-10-05 1927-10-03 Process for producing a solid diazoazo compound.

Country Status (1)

Country Link
CH (1) CH132205A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4985416A (en) * 1989-03-13 1991-01-15 Dana Farber Cancer Institute, Inc. Platinum complexes of azodiazonium dyes as anti-tumor agents

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4985416A (en) * 1989-03-13 1991-01-15 Dana Farber Cancer Institute, Inc. Platinum complexes of azodiazonium dyes as anti-tumor agents

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