CH100859A - Process for the preparation of an acidic monoazo dye. - Google Patents

Process for the preparation of an acidic monoazo dye.

Info

Publication number
CH100859A
CH100859A CH100859DA CH100859A CH 100859 A CH100859 A CH 100859A CH 100859D A CH100859D A CH 100859DA CH 100859 A CH100859 A CH 100859A
Authority
CH
Switzerland
Prior art keywords
preparation
acidic
red
dye
brick
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 CH100859A publication Critical patent/CH100859A/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
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G1/00—Cocoa; Cocoa products, e.g. chocolate; Substitutes therefor
    • A23G1/04—Apparatus specially adapted for manufacture or treatment of cocoa or cocoa products
    • A23G1/042—Manufacture or treatment of liquid, cream, paste, granule, shred or powder
    • 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
    • C09B29/095—Amino naphthalenes
    • C09B29/0955—Amino naphthalenes containing water solubilizing groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Coloring (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

  

  Verfahren zur Herstellung eines sauren     Honoazofarbstoffes.       <B><I>EI</I></B> s wurde gefunden, dass man einen sauren       111onoazofarbstoff    herstellen kann, wenn man  die     Diazoverbindung    des     2-Amino-4-sulfo-4'-          inethyl-1,1'-diplienylsulfons    mit     ss-Naphtyl-          amin    kuppelt. Der neue Farbstoff bildet ein  ziegelrotes Pulver, das sich in Wasser mit       roter,    in konzentrierter Schwefelsäure mit  gelbbrauner Farbe löst und Wolle aus essig  saurem Lade in sehr gleichmässigen, lebhaf  ten, vollen, licht- und waschechten, ziegel  roten Tönen färbt.

           Beispiel:       <B>35,6</B> Teile der     Diazoverbindung    des 2  A     mino-4-sulf        o-4'-methy        l-1,1'-diphenylsulfons     (erhalten zum Beispiel durch     Kondensieren     der     p-Toluolsulfinsäure    mit     1-Chlor-2-nitro-          beiizol-4-sulfosä.ure,    Reduzieren und     Diazo-          t.ieren    des Kondensationsproduktes) werden  in 500 Teilen Wasser verteilt und mit einer  Lösung von 17,9 Teilen ss-Naphi.ylamin-         chlorhydrat    versetzt.

   Die Kupplung tritt sehr  bald ein; sie wird durch vorsichtiges Ab  stumpfen der freien Mineralsäure gefördert.  Der gebildete Farbstoff     wird    alkalisch aus  gesalzen und     abfiltriert.  



  Process for the preparation of an acidic honoazo dye. <B><I>EI</I> </B> It has been found that an acidic 111onoazo dye can be produced if the diazo compound of 2-amino-4-sulfo-4'-ynethyl-1,1'- diplienylsulfons coupled with ss-naphthylamine. The new dye forms a brick-red powder, which dissolves in water with red, in concentrated sulfuric acid with a yellow-brown color and dyes wool from acetic acid ark in very even, vivid, full, light- and washfast, brick-red shades.

           Example: <B> 35.6 </B> parts of the diazo compound of 2 A mino-4-sulfo-4'-methy l-1,1'-diphenyl sulfone (obtained for example by condensing p-toluenesulfinic acid with 1- Chlor-2-nitro-beiizol-4-sulfosä.ure, reducing and diazo- t.ieren the condensation product) are distributed in 500 parts of water and treated with a solution of 17.9 parts of β-naphthylamine chlorohydrate.

   The clutch occurs very soon; it is promoted by carefully blunting the free mineral acid. The dye formed is alkaline, salted out and filtered off.

Claims (1)

PATENTANSPRUCH Verfahren zur Herstellung eines sauren 11Zonoazofarbstoffes, dadurch gekennzeichnet, dass man die Diazoverbindung des 2-Amino- 4-sulfo-4'-methyl-1,1'-diphenylsulfons mitss- Naphtylamin kuppelt. Der neue Farbstoff bildet ein ziegelrotes Pulver, das sich in Wasser mit roter, in konzentrierter Schwe felsäure mit gelbbrauner Farbe löst und lÄrolle aus essigsaurem Lade in sehr gleich mässigen, lebhaften, vollen, licht- und wasch echten, ziegelroten Tönen färbt. PATENT CLAIM Process for the production of an acidic 11-zonoazo dye, characterized in that the diazo compound of 2-amino-4-sulfo-4'-methyl-1,1'-diphenylsulfone is coupled with naphthylamine. The new dye forms a brick-red powder that dissolves in water with red, in concentrated sulfuric acid with a yellow-brown color and rolls from acetic acid ark in very even, lively, full, light and washable, brick-red tones.
CH100859D 1918-12-14 1922-04-29 Process for the preparation of an acidic monoazo dye. CH100859A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH90093T 1918-12-14
CH100859T 1922-04-29

Publications (1)

Publication Number Publication Date
CH100859A true CH100859A (en) 1923-08-16

Family

ID=25704110

Family Applications (1)

Application Number Title Priority Date Filing Date
CH100859D CH100859A (en) 1918-12-14 1922-04-29 Process for the preparation of an acidic monoazo dye.

Country Status (1)

Country Link
CH (1) CH100859A (en)

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