CH192050A - Process for the production of a new azo dye. - Google Patents

Process for the production of a new azo dye.

Info

Publication number
CH192050A
CH192050A CH192050DA CH192050A CH 192050 A CH192050 A CH 192050A CH 192050D A CH192050D A CH 192050DA CH 192050 A CH192050 A CH 192050A
Authority
CH
Switzerland
Prior art keywords
azo dye
new azo
production
aminobenzene
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 CH192050A publication Critical patent/CH192050A/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
    • C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
    • C09B33/02—Disazo dyes
    • C09B33/08—Disazo dyes in which the coupling component is a hydroxy-amino compound
    • C09B33/10—Disazo dyes in which the coupling component is a hydroxy-amino compound in which the coupling component is an amino naphthol

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)

Description

  

      Zusatzpatent        zum        Hauptpatent    Nr. 190424.    Verfahren zur Herstellung eines neuen     Azofarbstoffes.       Es     wurde    gefunden,     dass    man     einen:

      neuen       Azofarbstoff    erhält, wenn     man    die     Diazover-          bindung    des     1-Aminobenzol-2,-methylsulfons     in saurem Medium mit     1-Amino-8-ogynaph-          thalin-3,6-,disulfonsäure    vereinigt und diesen  so     erhältlichen    Farbstoff in alkalischem       Medium    mit der     Diazoverbindung    von     1-          Amino#benzo#l-3-methylsulfon    umsetzt.

   Der  neue     Azo,farbstoff    bildet eindunkles Pulver,       das    sich in Wasser mit     blauer    Färbe löst und  Wolle     aus    saurem Bade in blauschwarzen  Tönen von     guten        Echtheitseigenschaften          färbt.     



  <I>Beispiel:</I>  17,1 Teile     1-Aminobenzol-2-methylsulfon     werden fein     pulverisiert,        mit    30 Teilen     :Salz-          säure    und 30 Teilen Wasser gut ange  schwemmt und bei<B>5,0'</B> in Lösung     gebracht.     Beim     Abkühlen,    fällt das Chlorhydrat der       Base    in feiner Form aus.

   Man     :gibt        100    Teile  Eis zu und innerhalb etwa 10     Minuten    lässt       man    die     berechnete        Menge        Natriumnitrit    zu-    tropfen.

   Nach ca. 20     Minuten    ist die     Diazo-          tierung        fertig.        Diese        Diazolösung    .giesst man  nun unter Rühren zu     .3'1,9    Teilen fein gefäll  ter     1-Amino-8-ogynaphthalin-3,6@-,

  disulfon-          säure    und rührt     ca.    3     Stunden    bei gewöhn  licher     Temperatur.        Dann        trägt    man 35 Teile       Natriumcarbonat    ein und     vereinigt        sodaalka-          lisch    mit einer     Diazolösung    aus 17.1 Teilen       1-Aminobenzol-3-methylsulfo#n,    die auf     be-          kannte    Weise hergestellt wird.

   Der Farb  stoff fällt     aus        und    wird     abfiltziert.    Durch       Umlösen    und     Ausealzen    wird er gereinigt.  Nach     dem        Trocknen        erhält    man ein dunkles       Pulver,        das    sich in     Wasser        mit    blauer Farbe  löst und Wolle aus     saurem    Bade blauschwarz  färbt.



      Additional patent to main patent No. 190424. Process for the production of a new azo dye. It has been found that one can:

      new azo dye is obtained when the diazo compound of 1-aminobenzene-2-methylsulfone is combined in an acidic medium with 1-amino-8-ogynaphthalene-3,6-, disulfonic acid and this dye thus obtainable in an alkaline medium with the Diazo compound of 1- Amino # benzo # l-3-methylsulfone converts.

   The new azo dye forms a dark powder that dissolves in water with a blue dye and dyes wool from an acid bath in blue-black shades with good fastness properties.



  <I> Example: </I> 17.1 parts of 1-aminobenzene-2-methylsulfone are finely powdered, with 30 parts of hydrochloric acid and 30 parts of water, and at <B> 5.0 '</ B > brought into solution. On cooling, the hydrochloride of the base precipitates in fine form.

   Man: add 100 parts of ice and allow the calculated amount of sodium nitrite to drip in within about 10 minutes.

   Diazotization is finished after approx. 20 minutes. This diazo solution is then poured into .3'1.9 parts of finely precipitated 1-amino-8-ogynaphthalene-3,6 @ -, with stirring

  disulfonic acid and stir for about 3 hours at normal temperature. 35 parts of sodium carbonate are then introduced and combined with a soda-alkaline solution of 17.1 parts of 1-aminobenzene-3-methylsulphon, which is prepared in a known manner.

   The dye precipitates and is filtered off. It is cleaned by dissolving and curing it. After drying, a dark powder is obtained which dissolves in water with a blue color and dyes wool from an acid bath blue-black.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines neuen Azofarbstoffes, dadurch gekennzeichnet, dass man die Diazoverbindung .des 1-Aminoben- zol-2--methylsulfons in saurem Medium mit 1- Amino- 8 - ogynaphthalin- <B>3, PATENT CLAIM: Process for the production of a new azo dye, characterized in that the diazo compound .des 1-aminobenzene-2-methylsulfone in an acidic medium with 1-amino-8-ogynaphthalene- <B> 3, 6</B> -Uisulf ons!äure vereinigt und diesen so erhältlichen Farb- stoff in alkalischem Medium mit der Diazo- verbindung von 1-Aminobenzol-3-methylsul- fon umsetzt. Der neue Azofarbstoff bildet ein dunkles Pulver, das sich in Wasser mit blauer Farbe löst und Volle aus saurem Bade in blau schwarzen Tönen von guten Echtheitseigen schaften färbt. 6 </B> -UisulfonsÄure combined and this thus obtainable dye in an alkaline medium with the diazo compound of 1-aminobenzene-3-methylsulfon is converted. The new azo dye forms a dark powder that dissolves in water with a blue color and dyes full parts from an acid bath in blue-black shades with good fastness properties.
CH192050D 1936-01-30 1936-01-30 Process for the production of a new azo dye. CH192050A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH192050T 1936-01-30
CH190424T 1936-01-30

Publications (1)

Publication Number Publication Date
CH192050A true CH192050A (en) 1937-07-15

Family

ID=25721990

Family Applications (1)

Application Number Title Priority Date Filing Date
CH192050D CH192050A (en) 1936-01-30 1936-01-30 Process for the production of a new azo dye.

Country Status (1)

Country Link
CH (1) CH192050A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997027248A2 (en) * 1996-01-25 1997-07-31 Basf Aktiengesellschaft Acid disazo dyes as well as sulphonamides as their intermediate product

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997027248A2 (en) * 1996-01-25 1997-07-31 Basf Aktiengesellschaft Acid disazo dyes as well as sulphonamides as their intermediate product
WO1997027248A3 (en) * 1996-01-25 1997-08-28 Basf Ag Acid disazo dyes as well as sulphonamides as their intermediate product
US6130320A (en) * 1996-01-25 2000-10-10 Basf Aktiengesellschaft Acid disazo dyes as well as sulphonamides as their intermediate product

Similar Documents

Publication Publication Date Title
CH192050A (en) Process for the production of a new azo dye.
CH192049A (en) Process for the production of a new azo dye.
CH192048A (en) Process for the production of a new azo dye.
CH192042A (en) Process for the production of a new azo dye.
CH190424A (en) Process for the production of a new azo dye.
CH192051A (en) Process for the production of a new azo dye.
CH192043A (en) Process for the production of a new azo dye.
CH192045A (en) Process for the production of a new azo dye.
CH192046A (en) Process for the production of a new azo dye.
DE732969C (en) Process for the preparation of hexakisazo dyes
CH192047A (en) Process for the production of a new azo dye.
CH192044A (en) Process for the production of a new azo dye.
CH197279A (en) Process for the preparation of an azo dye.
CH177838A (en) Process for the production of a new azo dye.
CH224128A (en) Process for the preparation of a primary disazo dye.
CH205421A (en) Process for the preparation of a disazo dye.
CH224126A (en) Process for the preparation of a primary disazo dye.
CH199371A (en) Process for the preparation of an azo dye.
CH199368A (en) Process for the preparation of an azo dye.
CH224127A (en) Process for the preparation of a primary disazo dye.
CH174539A (en) Process for the preparation of a trisazo dye.
CH192036A (en) Process for the production of a new azo dye.
CH210993A (en) Process for the preparation of a disazo dye.
CH217957A (en) Process for the preparation of a disazo dye.
CH228840A (en) Process for the preparation of a tetrakisazo dye.