CH90844A - Process for the preparation of a diazotization dye. - Google Patents

Process for the preparation of a diazotization dye.

Info

Publication number
CH90844A
CH90844A CH90844DA CH90844A CH 90844 A CH90844 A CH 90844A CH 90844D A CH90844D A CH 90844DA CH 90844 A CH90844 A CH 90844A
Authority
CH
Switzerland
Prior art keywords
dye
diazotization
preparation
diazotizing
ditolyimethane
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 CH90844A publication Critical patent/CH90844A/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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/205—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of a diaryl- or triaryl- alkane or-alkene
    • C09B35/21—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of a diaryl- or triaryl- alkane or-alkene of diarylmethane or triarylmethane
    • 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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling

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

Description

  

  Verfahren zur Herstellung eines     Diazotierungsfarbstoffes.       Es wurde gefunden, dass durch Kuppeln  von einem     Mol.    des     tetrazotierten        3:3'-Dia-          mino-4    :     4'-ditoly        lmethans    mit 2     Mol.    der     N-          lt!Iethyl-m-sulfosäure    der 1:

       2-(3'-Aminophenyl)-          naghtimidazol-5-oxy-7-sulfosäure    ein leichtlös  licher     Farbstoff    erhalten wird, welcher urige  beizte     Baumwolle        gelbstichig    Bordeaux färbt.  Durch     Diazotieren    der Färbung- und Kuppeln  mit     @-Naphtol    wird ein sehr waschechtes,  volles blaustichiges Rot erhalten.

           BezispieZ   <I>: -</I>  22,6 Teile 3 :     3'-Diamino-4    :     4'-ditoly        lme-          than    werden in 50     Volum-Teilen    Salzsäure     h,     300o und 200 Teilen Wasser gelöst und mit  13,8 Teilen     -'Natriumnitrit        tetrazotiert.    Die       Tetrazolösung    gibt man zu einer wässerigen  Lösung von 90 Teilen     N-11Iethyl-o)-sulfosäcn-e       der     1:

  2-(3'-Aminophenyl)-naphtimidazol-5-          .oxy-7-sulfösäure    und 60 Teilen     calcinierter          Söda.    Nach beendigter Kupplung wird. aus  gesalzen, filtriert und getrocknet.-



  Process for the preparation of a diazotization dye. It has been found that by coupling one mole of the tetrazotized 3: 3'-diamino-4: 4'-ditolyimethane with 2 moles of the N-ethyl-m-sulfonic acid of 1:

       2- (3'-aminophenyl) - naghtimidazole-5-oxy-7-sulfonic acid, a readily soluble dye is obtained, which dyes rustic, whitish cotton with a yellowish tinge of Bordeaux. By diazotizing the coloring and domes with @ -naphtol, a very washfast, full bluish red is obtained.

           BezispieZ <I>: - </I> 22.6 parts of 3: 3'-diamino-4: 4'-ditolyimethane are dissolved in 50 parts by volume of hydrochloric acid, 30,000 and 200 parts of water and 13.8 Share -'sodium nitrite tetrazotized. The tetrazo solution is added to an aqueous solution of 90 parts of N-11Iethyl-o) -sulfosäcn-e of 1:

  2- (3'-aminophenyl) -naphthimidazole-5- .oxy-7-sulfoic acid and 60 parts of calcined soda. After the coupling is completed. from salted, filtered and dried.

Claims (1)

PATENTAN SPRUCH : , Verfahren zur Herstellung eines Diazo- tierungsfarbstoffes, dadurch gekennzeichnet, dass 1 Mol. tetrazotiertes 3 :-3''-Diamino-4: 4' ditolyImethan mit 2 lflol. der N-1VIethyl-oi- sülfösäure der 1:2-(3'-Aminophenyl)-naphti- miclazol-5-oxy-7-sulfosäure gekuppelt wird. PATENTAN SAY:, process for the production of a diazotizing dye, characterized in that 1 mol. Tetrazotized 3: -3 "- diamino-4: 4 'ditolyimethane with 2 lflol. the N-1VIethyl-oisulfösäure of 1: 2- (3'-aminophenyl) -naphthimiclazol-5-oxy-7-sulfonic acid is coupled. Der erhaltene leichtlöslicbe Farbstoff färbt ungeheizte Baumwolle gelbstichig Bordeaux, durch Diazotieren der Färbung und Kuppeln mit f-Naphtol wird ein sehr waschechtes, volles, blaustichiges Rot erhalten. The easily soluble dye obtained dyes unheated cotton with a yellowish tinge of Bordeaux; by diazotizing the dye and domeing with f-naphthol a very washfast, full, bluish red is obtained.
CH90844D 1918-12-21 1918-12-21 Process for the preparation of a diazotization dye. CH90844A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH90844T 1918-12-21
CH89556T 1918-12-21

Publications (1)

Publication Number Publication Date
CH90844A true CH90844A (en) 1921-09-16

Family

ID=25704027

Family Applications (1)

Application Number Title Priority Date Filing Date
CH90844D CH90844A (en) 1918-12-21 1918-12-21 Process for the preparation of a diazotization dye.

Country Status (1)

Country Link
CH (1) CH90844A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2490967A (en) * 1945-12-14 1949-12-13 Ciba Ltd Azo dyestuffs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2490967A (en) * 1945-12-14 1949-12-13 Ciba Ltd Azo dyestuffs

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