CH143027A - Process for the production of a new metal-containing dye. - Google Patents
Process for the production of a new metal-containing dye.Info
- Publication number
- CH143027A CH143027A CH143027DA CH143027A CH 143027 A CH143027 A CH 143027A CH 143027D A CH143027D A CH 143027DA CH 143027 A CH143027 A CH 143027A
- Authority
- CH
- Switzerland
- Prior art keywords
- dye
- production
- containing dye
- new metal
- parts
- Prior art date
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
- C09B45/00—Complex metal compounds of azo dyes
- C09B45/02—Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
- C09B45/24—Disazo or polyazo compounds
- C09B45/26—Disazo or polyazo compounds containing chromium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Description
verfahren zur Herstellung eines neuen metallhaltigen Farbstoffes. Es wurde gefunden, dass man einen neuen metallhaltigen Farbstoff erhält, wenn man die reduzierte Chromverbindung des Farb stoffes aus )
-2i itro-?-diazo-l-phertol und Phenylamino - 5-oxynaphthahn- 7 -sulfosäure diazotiert und mit Salizylsäure kuppelt.
Der erhaltene Farbstoff bildet getrocknet ein dunkelbraunes Pulver. das sich in Wasser und Soda finit rein blaugrauer, in konzen trierter Schtvefelsäure mit rotstichig grauer Farbe löst und Baumwolle sowie Kunstseide in reinen blaugrauen Tönen färbt-.
Beispiel: f8 Teile des F;irbstoffes ;in: diazotier- tenl :5-\ itro-?-aniino-l-plieiiol und ?-Phenyl- aniino-:@-o@-nap@t@a@in-i-sn@fosünre werden mit einer aus 8,7 heile [.'.r,0.:
enthaltenden Clironioxydliy(lratpaste, -f Teilen Ätznatron, 7\3 Teilen kristallisierter Schwefelnatrium und 1-f Teilen Glyzerin hergestellten Chrom lösung während 18 Stunden am Rückfluss- kühler zum Kochen erhitzt.
Die anfänglich rein blaue Lösung wird allmählich unter Aufnahme des Chroms und Rerluktion der Nitrogruppe violett. \ach Reendigung der Reaktion wird erkalten @,el;isscn und der Farbstoff durch -Neutralisieren finit Essig gefällt, filt-riort. ;
iusgewasclion, gege- benenfalls durch iiocliiiiali@,es T.iisen in Soeki vom vorhandenen Schwc11 <I>MAI.</I> wAler ausgefällt und bei trocknet.
10.-f 'heile elieses (@ n rlistoffc@wurden in ?00 Teilen Wasser und :i Teilei Natronlauge gelöst und<B>1,1</B> Teile, N;
ü-rininnitrit zn@@c@,c- ben. Bei 10 ' (1 giesst nun unter guhni Nllh- ren \?(l Teile Salz:änn-, (1 :
1) Hinzu. selwidei- naeh einiger Zeit die gAildete schwarzgrüne- Diazoverbindung ab und triigt sie in¯ eine Lösung von 3 Teilen Salie@-lsäure in 10(l Teilen Wasser. 5 Teilen Natronlauge und 5 Teilen Soda ein.
Vacli _'-L-stündi@@cni Rühren ist die Kupplung beendet. 1f;in sclwidet den Farbstoff in gewohnter -Weise nl) und trock net bei mässiger Temperatur.
process for the production of a new metal-containing dye. It has been found that a new metal-containing dye is obtained if the reduced chromium compound of the dye is removed from)
-2i itro -? - diazo-l-phertol and phenylamino - 5-oxynaphthahn- 7 -sulfonic acid diazotized and coupled with salicylic acid.
The dye obtained forms a dark brown powder when dried. which dissolves in water and soda finitely purely blue-gray, in concentrated sulfuric acid with a reddish gray color and dyes cotton and artificial silk in pure blue-gray tones.
Example: f8 parts of the dye; in: diazotizedl: 5- \ itro -? - aniino-l-plieiiol and? -Phenyl-aniino -: @ - o @ -nap @ t @ a @ in-i- sn @ fosünre are healed with one of 8.7 [. '. r, 0 .:
Chromium solution containing Clironioxydliy (oil paste, -f parts caustic soda, 7 \ 3 parts crystallized sulfur sodium and 1-part glycerine heated to boiling for 18 hours on the reflux condenser.
The initially pure blue solution gradually turns violet with the addition of chromium and reduction of the nitro group. After the end of the reaction it will cool down @, el; isscn and the dye will be precipitated by neutralizing vinegar, filt-riort. ;
iusgewasclion, if necessary by iiocliiiiali @, it T.iisen in Soeki from the existing Schwc11 <I> MAY. </I> wAler precipitated and when dries.
10.-f 'heile elieses (@ n rlistoffc @ were dissolved in? 00 parts of water and: 1 part of sodium hydroxide solution and <B> 1.1 </B> parts, N;
ü-rininnitrite zn @@ c @, c- ben. At 10 '(1 pours under guhni Nllh- ren \? (1 part of salt: änn-, (1:
1) Add. Selwideine after some time removes the black-green diazo compound that has formed and triets it in a solution of 3 parts of salicylic acid in 10 parts of water, 5 parts of sodium hydroxide solution and 5 parts of soda.
Vacli _'- L-hrs. With stirring, the coupling is complete. 1f; in the dye in the usual way nl) and dry net at a moderate temperature.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH143027T | 1929-03-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH143027A true CH143027A (en) | 1930-10-31 |
Family
ID=4399685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH143027D CH143027A (en) | 1929-03-16 | 1929-03-16 | Process for the production of a new metal-containing dye. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH143027A (en) |
-
1929
- 1929-03-16 CH CH143027D patent/CH143027A/en unknown
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