CH202738A - Process for the preparation of an azo dye. - Google Patents

Process for the preparation of an azo dye.

Info

Publication number
CH202738A
CH202738A CH202738DA CH202738A CH 202738 A CH202738 A CH 202738A CH 202738D A CH202738D A CH 202738DA CH 202738 A CH202738 A CH 202738A
Authority
CH
Switzerland
Prior art keywords
sep
preparation
azo dye
violet
dye
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 CH202738A publication Critical patent/CH202738A/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)
  • Optical Filters (AREA)

Description

  

      Verfahren    zur Herstellung eines     Azofarbstoffes.     
EMI0001.0003     
  
    Es <SEP> wurde <SEP> gefunden, <SEP> ,dass <SEP> man <SEP> einen <SEP> Azo  farbstoff <SEP> erhält, <SEP> wenn <SEP> man <SEP> die <SEP> Diazoverbin  dung <SEP> des <SEP> 1-Amino-4-nitrobenzol-2-methyls <SEP> il  fons <SEP> mit <SEP> (2-Äthogy-5-methyl-2'-sulfonsäume=
<tb>  4'-chloracetylamino)-idiphenylamin <SEP> der <SEP> For  mel     
EMI0001.0004     
  
EMI0001.0005     
  
    vereinigt. <SEP> Der <SEP> neue <SEP> Farbstoff <SEP> bildet <SEP> ein
<tb>  dunkles <SEP> Pulver, <SEP> Idas <SEP> sich <SEP> in <SEP> Wasser <SEP> mit
<tb>  violetter <SEP> Färbe <SEP> löst <SEP> und <SEP> das <SEP> Wolle <SEP> und <SEP> Seide
<tb>  aus <SEP> saurem <SEP> Baude <SEP> in <SEP> violettblauen <SEP> Tönen
<tb>  färbt.
<tb>  



  <I>Beispiel:</I>
<tb>  216 <SEP> Teile <SEP> 1-Amino-4-nitrobenzol-2-methyl  sulfon <SEP> werden,diazotiert <SEP> und <SEP> in <SEP> .die <SEP> mineral  saure <SEP> Lösung <SEP> dieser <SEP> Diazoverbindung <SEP> die <SEP> Lö  sung <SEP> des <SEP> Natriumssalzes <SEP> aus <SEP> 3.98 <SEP> Teilen <SEP> (2  4thogy- <SEP> 5 <SEP> methyl <SEP> =T-sulfonsäure <SEP> -4'-chlorace  tylamino),diphenylamin <SEP> eingetragen.
<tb>  z119 <SEP> Faabstoffbillduug <SEP> beendet <SEP> ist, <SEP> wind.
<tb>  



  abfiltriert, <SEP> der <SEP> Farbstoff <SEP> in <SEP> Wasser <SEP> suspen-     
EMI0001.0006     
  
    diert <SEP> und,d-twoh <SEP> Verriihren <SEP> mit <SEP> einem <SEP> Allkali
<tb>  neutral <SEP> gestellt. <SEP> Der <SEP> Farbstoff <SEP> wird <SEP> eventuell
<tb>  durch <SEP> Zusatz <SEP> eines <SEP> .Salzes <SEP> au & gxsohieden, <SEP> ab  fi@ltriert <SEP> und <SEP> getrocknet.



      Process for the preparation of an azo dye.
EMI0001.0003
  
    <SEP> was found <SEP>, <SEP> that <SEP> one <SEP> receives an <SEP> azo dye <SEP>, <SEP> if <SEP> one <SEP> the <SEP> diazo connection <SEP> des <SEP> 1-amino-4-nitrobenzene-2-methyls <SEP> il fons <SEP> with <SEP> (2-ethogy-5-methyl-2'-sulfonic fringes =
<tb> 4'-chloroacetylamino) -idiphenylamine <SEP> of the <SEP> formula
EMI0001.0004
  
EMI0001.0005
  
    united. <SEP> The <SEP> new <SEP> dye <SEP> forms <SEP>
<tb> dark <SEP> powder, <SEP> Idas <SEP> <SEP> in <SEP> water <SEP> with
<tb> violet <SEP> dye <SEP> dissolves <SEP> and <SEP> the <SEP> wool <SEP> and <SEP> silk
<tb> from <SEP> acidic <SEP> Baude <SEP> in <SEP> violet-blue <SEP> tones
<tb> colors.
<tb>



  <I> Example: </I>
<tb> 216 <SEP> parts <SEP> 1-Amino-4-nitrobenzene-2-methyl sulfone <SEP> are diazotized <SEP> and <SEP> in <SEP> .the <SEP> mineral acid <SEP> Solution <SEP> of this <SEP> diazo compound <SEP> the <SEP> solution <SEP> of the <SEP> sodium salt <SEP> from <SEP> 3.98 <SEP> parts <SEP> (2 4thogy- <SEP> 5 < SEP> methyl <SEP> = T-sulfonic acid <SEP> -4'-chloracetylamino), diphenylamine <SEP>.
<tb> z119 <SEP> Faabstoffbillduug <SEP> finished <SEP> is, <SEP> wind.
<tb>



  filtered off, <SEP> the <SEP> dye <SEP> in <SEP> water <SEP> suspend-
EMI0001.0006
  
    diert <SEP> and, d-twoh <SEP> Verriihren <SEP> with <SEP> a <SEP> all-alkali
<tb> neutral <SEP> set. <SEP> The <SEP> dye <SEP> becomes <SEP> eventually
<tb> by <SEP> addition <SEP> of a <SEP> .salt <SEP> boil, <SEP> filtered off <SEP> and <SEP> dried.

Claims (1)

EMI0001.0007 <B>PATENTANSPRUCH:</B> <tb> Verfahren <SEP> zur <SEP> Herstellung <SEP> eines <SEP> Azofarb- <SEP> . <tb> steifes,dadurch <SEP> gekennzeichnet, <SEP> dass <SEP> man <SEP> die <tb> Diazoverbindung <SEP> des <SEP> 1-Amino-4-ni-brobenzol 2-me-bhyas#ulfons <SEP> mit <SEP> (2-Ätihogy-5-methyl-.2' su@fonsänure <SEP> - <SEP> 4' <SEP> - <SEP> chloracetylamino) <SEP> - <SEP> ,diphenyl amin. EMI0001.0007 <B> PATENT CLAIM: </B> <tb> Method <SEP> for the <SEP> production <SEP> of a <SEP> azo color <SEP>. <tb> stiff, characterized by <SEP>, <SEP> that <SEP> man <SEP> die <tb> Diazo compound <SEP> of <SEP> 1-amino-4-ni-brobenzol 2-me-bhyas #ulfone <SEP> with <SEP> (2-ethhogy-5-methyl-.2 'su @ fonsänure < SEP> - <SEP> 4 '<SEP> - <SEP> chloracetylamino) <SEP> - <SEP>, diphenyl amine. <SEP> der <SEP> Formel EMI0001.0008 vereinigt. Der neue Farbetoff bildet' ein dunkles Pulver, das sich in Wasser mit violetter Farbe löst und Idas Wolle und Beide aus sau rem Bade in violettblauen Tönen färbt. <SEP> of the <SEP> formula EMI0001.0008 united. The new dye forms a dark powder that dissolves in water with a violet color and dyes Ida's wool and both of them from an acid bath in violet-blue tones.
CH202738D 1937-03-15 1937-03-15 Process for the preparation of an azo dye. CH202738A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH202738T 1937-03-15
CH200063T 1938-11-09

Publications (1)

Publication Number Publication Date
CH202738A true CH202738A (en) 1939-01-31

Family

ID=25723411

Family Applications (1)

Application Number Title Priority Date Filing Date
CH202738D CH202738A (en) 1937-03-15 1937-03-15 Process for the preparation of an azo dye.

Country Status (1)

Country Link
CH (1) CH202738A (en)

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