CH202739A - Process for the preparation of an azo dye. - Google Patents

Process for the preparation of an azo dye.

Info

Publication number
CH202739A
CH202739A CH202739DA CH202739A CH 202739 A CH202739 A CH 202739A CH 202739D A CH202739D A CH 202739DA CH 202739 A CH202739 A CH 202739A
Authority
CH
Switzerland
Prior art keywords
sep
azo dye
preparation
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 CH202739A publication Critical patent/CH202739A/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)
  • Coloring (AREA)

Description

  

  Verfahren zur Herstellung eines     Azofarbstoffes.     
EMI0001.0002     
  
    Es <SEP> wurde <SEP> gefunden, <SEP> @dass <SEP> man <SEP> einen <SEP> Amo  farbstoff <SEP> erhält, <SEP> wenn. <SEP> man <SEP> die <SEP> Diazoverbin  dung <SEP> des <SEP> 1-Amino-4-nitrobenzols <SEP> mit <SEP> (2-Me  thoxy-5-methyl-2r'-sqüfons,äuTe-4'-phenylsulfa  mi@d)-@dip'hen@ysamin <SEP> der <SEP> Formel     
EMI0001.0003     
  
EMI0001.0004     
  
    vereinigt. <SEP> Der <SEP> neue <SEP> Farbstoff <SEP> -bildet <SEP> ein.
<tb>  dunkles <SEP> Pulver, <SEP> @daA <SEP> sich <SEP> in <SEP> Wasser <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> violetten <SEP> Tönen <SEP> färbt.
<tb>  



  <I>Beispiel:</I>
<tb>  <B>138</B> <SEP> Teile <SEP> 1-Amino-4-nitrabenzol <SEP> werden
<tb>  diazotiert <SEP> und <SEP> in. <SEP> die <SEP> mineralsaure <SEP> Lösung
<tb>  dieser <SEP> Diazoverbindumg <SEP> die <SEP> Lösung <SEP> des <SEP> Na  triumsaJzes <SEP> aus <SEP> 448 <SEP> Teilen <SEP> (2-Methoxy-5  methyl-2'-sulfonsäure-4'-phenyl@sulfami@d) <SEP> -@d2  phenylamineingetragen.

   <SEP> Nachdem <SEP> ,die <SEP> Fäxb  -stoffbildung <SEP> beendet <SEP> ist, <SEP> wi@,d <SEP> abfiltriert, <SEP> der
<tb>  Farbstoff <SEP> in <SEP> Wasser <SEP> ,suspendiert <SEP> und <SEP> durch,            Verrühren        mit        einem        Alkali        neutral        gestellt.     Der Farbstoff     wird    eventuell     durch        Zusatz          eines    Salzes ausgeschieden,     abfiltriert        imd    ge  trocknet.



  Process for the preparation of an azo dye.
EMI0001.0002
  
    <SEP> was found <SEP>, <SEP> @that <SEP> one <SEP> receives an <SEP> amo dye <SEP>, <SEP> if. <SEP> man <SEP> the <SEP> diazo compound <SEP> of the <SEP> 1-amino-4-nitrobenzene <SEP> with <SEP> (2-methoxy-5-methyl-2r'-sqüfons, outer -4'-phenylsulfa mi @ d) - @ dip'hen @ ysamin <SEP> of the <SEP> formula
EMI0001.0003
  
EMI0001.0004
  
    united. <SEP> The <SEP> new <SEP> dye <SEP> - forms <SEP>.
<tb> dark <SEP> powder, <SEP> @daA <SEP> <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 <SEP> tones <SEP> colors.
<tb>



  <I> Example: </I>
<tb> <B> 138 </B> <SEP> parts of <SEP> 1-amino-4-nitrabenzene <SEP> are
<tb> diazotizes <SEP> and <SEP> in. <SEP> the <SEP> mineral acid <SEP> solution
<tb> this <SEP> diazo compound <SEP> the <SEP> solution <SEP> of the <SEP> sodium salt <SEP> from <SEP> 448 <SEP> parts <SEP> (2-methoxy-5 methyl-2 ' -sulfonic acid-4'-phenyl @ sulfami @ d) <SEP> - @ d2 phenylamine.

   <SEP> After <SEP>, the <SEP> fiber formation <SEP> is finished <SEP>, <SEP> wi @, d <SEP> filtered off, <SEP> the
<tb> Dye <SEP> in <SEP> water <SEP>, suspended <SEP> and <SEP> by stirring with an alkali made neutral. The dye is possibly precipitated by adding a salt, filtered off and dried.

Claims (1)

EMI0001.0017 PATENTANSPRUCH: <tb> Verfahren <SEP> zur <SEP> Herstellung <SEP> eines <SEP> Azofarb stoffes,,daduwch <SEP> ;gekennzeichnet, <SEP> daB <SEP> man <SEP> die <tb> Diazoverbindung <SEP> des <SEP> 1-A.mino-4 <SEP> nitrob-enzolss <tb> mit <SEP> (2-Methögy-.5-me & yl-,2'-sulfonsärure-4' phenylls,ulfamvd)-idnphenylamin <SEP> der <SEP> Formel EMI0001.0018 vereinigt. Der neue Farbstoff bildet ein dunkles Pulver, EMI0001.0017 PATENT CLAIM: <tb> Process <SEP> for <SEP> production <SEP> of a <SEP> azo dye ,, daduwch <SEP>; marked, <SEP> that <SEP> man <SEP> die <tb> Diazo compound <SEP> des <SEP> 1-A.mino-4 <SEP> nitrob-enzolss <tb> with <SEP> (2-Methögy-.5-me & yl-, 2'-sulfonic acid-4 'phenylls, ulfamvd) -idnphenylamine <SEP> of the <SEP> formula EMI0001.0018 united. The new dye forms a dark powder, das sich in Wasser mit violetter Farbe löst und,das Wolle und Seide, aus sau rem Bade in violetten. Tönen färbt. which dissolves in water with a violet color and, the wool and silk, from acid bath in violet. Tones colors.
CH202739D 1937-03-15 1937-03-15 Process for the preparation of an azo dye. CH202739A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH202739T 1937-03-15
CH200063T 1938-11-09

Publications (1)

Publication Number Publication Date
CH202739A true CH202739A (en) 1939-01-31

Family

ID=25723412

Family Applications (1)

Application Number Title Priority Date Filing Date
CH202739D CH202739A (en) 1937-03-15 1937-03-15 Process for the preparation of an azo dye.

Country Status (1)

Country Link
CH (1) CH202739A (en)

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