CH202740A - Process for the preparation of an azo dye. - Google Patents

Process for the preparation of an azo dye.

Info

Publication number
CH202740A
CH202740A CH202740DA CH202740A CH 202740 A CH202740 A CH 202740A CH 202740D A CH202740D A CH 202740DA CH 202740 A CH202740 A CH 202740A
Authority
CH
Switzerland
Prior art keywords
sep
preparation
azo dye
dye
violet
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 CH202740A publication Critical patent/CH202740A/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
    • C09B29/06—Monoazo dyes prepared by diazotising and coupling from coupling components containing amino as the only directing group
    • C09B29/08—Amino benzenes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Investigating Or Analysing Biological Materials (AREA)

Description

  

  Verfahren zur Herstellung eines     Azofarbstofes.     
EMI0001.0002     
  
    Es <SEP> wurde <SEP> gefunden, <SEP> da.B <SEP> man <SEP> einen <SEP> Azo  farbstoff <SEP> erhält, <SEP> wenn <SEP> man <SEP> die <SEP> Diazoverbin  dun:g <SEP> des <SEP> 1-Amino-4-niüobenzol-2 <SEP> methylsul  fons <SEP> mit <SEP> (2 <SEP> Methogy-5-methyl-2'-sulfonsäuse  4'-äbUylsulfaan,id)-diplienylamin <SEP> der <SEP> Formel     
EMI0001.0003     
  
EMI0001.0004     
  
    vereinigt. <SEP> Der <SEP> neue <SEP> Farbstoff <SEP> bildet <SEP> ein
<tb>  , & mldes <SEP> Pulver, <SEP> das <SEP> sioh <SEP> in <SEP> Waassser <SEP> mit
<tb>  violetter <SEP> Farbe <SEP> löst <SEP> und <SEP> das <SEP> Wolle <SEP> und <SEP> Seide
<tb>  aus <SEP> saurem <SEP> Bade <SEP> in <SEP> violettblauen <SEP> Tönen
<tb>  färbt.
<tb>  



  <I>Beispiel:</I>
<tb>  2,1!6 <SEP> Teile <SEP> 1-Amino-4 <SEP> nitrobenzol<U>-;</U>2-methyl  sulfon <SEP> werden <SEP> @diazotiert <SEP> und <SEP> in <SEP> die <SEP> <U>min</U>eral  saure <SEP> Lösung <SEP> dieser <SEP> Diazoverbindung <SEP> die <SEP> Lö  sung <SEP> ;des <SEP> Natrium,salzes <SEP> aus <SEP> 400 <SEP> Teilen <SEP> (2  Metliogy-15 <SEP> mebhyl-2'-ssulfonsäure-4'-äthyl  sulfamid) <SEP> - <SEP> diphenylamin <SEP> eingetragen. <SEP> Nach  dem <SEP> die <SEP> Farbstoffbildung <SEP> beendet <SEP> ist, <SEP> wird
<tb>  abfiltriert, <SEP> der <SEP> Farbstoff <SEP> in <SEP> Wasser <SEP> suspen-            diert    und     durch    Verrühren mit     einem        Alkali          neutral        ;

  gestellt.    Der     Farbstoff        wird        eventuell          durch    Zusatz     eines        Salzes        ausgeschieden,        ab-          filtriert    und     getroeknet.  



  Process for the preparation of an azo dye.
EMI0001.0002
  
    <SEP> was found <SEP>, <SEP> because B <SEP> you get <SEP> an <SEP> azo dye <SEP>, <SEP> if <SEP> you <SEP> the <SEP> diazo connection dun: g <SEP> of <SEP> 1-amino-4-niüobenzol-2 <SEP> methylsulfone <SEP> with <SEP> (2 <SEP> Methogy-5-methyl-2'-sulfonic acid 4'-abuylsulfaan , id) -diplienylamine <SEP> of the <SEP> formula
EMI0001.0003
  
EMI0001.0004
  
    united. <SEP> The <SEP> new <SEP> dye <SEP> forms <SEP>
<tb>, & mldes <SEP> powder, <SEP> the <SEP> sioh <SEP> in <SEP> water <SEP> with
<tb> violet <SEP> color <SEP> dissolves <SEP> and <SEP> the <SEP> wool <SEP> and <SEP> silk
<tb> from <SEP> acidic <SEP> bath <SEP> in <SEP> violet-blue <SEP> tones
<tb> colors.
<tb>



  <I> Example: </I>
<tb> 2.1! 6 <SEP> parts <SEP> 1-amino-4 <SEP> nitrobenzene <U> -; </U> 2-methyl sulfone <SEP> are <SEP> @diazotized <SEP> and <SEP> in <SEP> the <SEP> <U> min </U> eral acid <SEP> solution <SEP> of this <SEP> diazo connection <SEP> the <SEP> solution <SEP>; of the <SEP> Sodium salt <SEP> from <SEP> 400 <SEP> parts <SEP> (2 Metliogy-15 <SEP> mebhyl-2'-sulfonic acid-4'-ethyl sulfamide) <SEP> - <SEP> diphenylamine <SEP> registered. <SEP> After <SEP> the <SEP> dye formation <SEP> is finished <SEP>, <SEP> becomes
<tb> filtered off, <SEP> the <SEP> dye <SEP> suspended in <SEP> water <SEP> and made neutral by stirring with an alkali;

  posed. The dye is possibly precipitated by adding a salt, filtered off and dried.

Claims (1)

EMI0001.0021 PATENTANSPRUCH: <tb> Verfahren, <SEP> zur <SEP> Hernsteldung <SEP> emes <SEP> Azofarb stoffes, <SEP> dadurch <SEP> gekennzeilnet, <SEP> daB <SEP> man <SEP> idie <tb> Diazoverbinduug <SEP> ödes <SEP> 1-Amino-4-nitrobenzol 2-methylsulfom <SEP> mit <SEP> (2-Methogy,5-me@hyd-2' sulfons,äuTe,- <SEP> 4'- <SEP> äthylsulfammd) <SEP> -diplienylamnm <tb> der <SEP> Formel EMI0001.0022 EMI0001.0023 vereinigt. <tb> Der <SEP> neue <SEP> Farbstoff <SEP> bildet <SEP> ein <SEP> dunkles <tb> Pulver, <SEP> des <SEP> <B>61011</B> <SEP> in <SEP> Wasser <SEP> mit <SEP> violettes <tb> Farbe <SEP> döst <SEP> und,das <SEP> Wolle <SEP> und <SEP> Seide <SEP> aus <SEP> eau rem <SEP> Bade <SEP> mit <SEP> vso@lettblauen <SEP> Tönen <SEP> färbt. EMI0001.0021 PATENT CLAIM: <tb> procedure, <SEP> for <SEP> signaling <SEP> emes <SEP> azo dyes, <SEP> thereby <SEP> marked, <SEP> that <SEP> one <SEP> idie <tb> Diazo compound <SEP> dull <SEP> 1-amino-4-nitrobenzene 2-methylsulfom <SEP> with <SEP> (2-Methogy, 5-me @ hyd-2 'sulfons, outer, - <SEP> 4 '- <SEP> äthylsulfammd) <SEP> -diplienylamnm <tb> of the <SEP> formula EMI0001.0022 EMI0001.0023 united. <tb> The <SEP> new <SEP> dye <SEP> forms <SEP> a <SEP> dark one <tb> Powder, <SEP> of <SEP> <B> 61011 </B> <SEP> in <SEP> water <SEP> with <SEP> violet <tb> color <SEP> doze <SEP> and, the <SEP> wool <SEP> and <SEP> silk <SEP> from <SEP> eau rem <SEP> bath <SEP> with <SEP> vso @ lettblauen < SEP> tones <SEP> colors.
CH202740D 1937-03-15 1937-03-15 Process for the preparation of an azo dye. CH202740A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH202740T 1937-03-15
CH200063T 1938-11-09

Publications (1)

Publication Number Publication Date
CH202740A true CH202740A (en) 1939-01-31

Family

ID=25723413

Family Applications (1)

Application Number Title Priority Date Filing Date
CH202740D CH202740A (en) 1937-03-15 1937-03-15 Process for the preparation of an azo dye.

Country Status (1)

Country Link
CH (1) CH202740A (en)

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