CH119119A - Process for the production of a new dye. - Google Patents
Process for the production of a new dye.Info
- Publication number
- CH119119A CH119119A CH119119DA CH119119A CH 119119 A CH119119 A CH 119119A CH 119119D A CH119119D A CH 119119DA CH 119119 A CH119119 A CH 119119A
- Authority
- CH
- Switzerland
- Prior art keywords
- dye
- new dye
- production
- mol
- new
- 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
- C09B45/14—Monoazo compounds
- C09B45/16—Monoazo compounds containing chromium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Description
Zusatzpatent zum Hauptpatent Nr. 115111. Verfahren zur Herstellung eines neuen Farbstoffes. Es, wurde gefunden, dass man einen neuen, wertvollen Farbstoff erhält, wenn man den Azofarbstoff, den man durch Kup peln von 1 Mol. diazotierter Pikraminsäure mit 1 Mol. 1-Naphthylamin-4-sulfosäure er halten kann, mit Chromacetat behandelt.
Der neue Farbstoff stellt ein schwärzliches Pul ver dar und färbt Wolle aus schwefelsaurem Bade in dunkelolivegrünen Tönen mit vor züglichen Echtheitseigenschaften.
<I>Beispiel:</I> 48,9 Teile des Natriumsalzes des aus di- azotierter Pikraminsäure und 1-Naphthyl- amin-4-sulfosäure erhältlichen Farbstoffes werden in 900 Teilen Wasser kochend ge löst, mit 18 Teilen Chromoxyd in Form von Chromacetat versetzt und längere Zeit rück- fliessend gekocht. Durch Eindampfen und Aussalzen wird der neue chromhaltige Farb stoff gewonnen.
Additional patent to main patent No. 115111. Process for the production of a new dye. It has been found that a new, valuable dye is obtained if the azo dye, which can be obtained by coupling 1 mol of diazotized picric acid with 1 mol. 1-naphthylamine-4-sulfonic acid, treats the azo dye with chromium acetate.
The new dye is a blackish powder and dyes wool from sulfuric acid bath in dark olive green tones with excellent fastness properties.
<I> Example: </I> 48.9 parts of the sodium salt of the dye obtainable from diazoated picric acid and 1-naphthylamine-4-sulfonic acid are dissolved in 900 parts of water at the boil with 18 parts of chromium oxide in the form of chromium acetate offset and boiled back for a long time. The new chromium-containing dye is obtained through evaporation and salting out.
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH119119T | 1925-02-14 | ||
CH115111T | 1926-06-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH119119A true CH119119A (en) | 1927-02-16 |
Family
ID=25708448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH119119D CH119119A (en) | 1925-02-14 | 1925-02-14 | Process for the production of a new dye. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH119119A (en) |
-
1925
- 1925-02-14 CH CH119119D patent/CH119119A/en unknown
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