CH119902A - Process for the production of a new dye. - Google Patents
Process for the production of a new dye.Info
- Publication number
- CH119902A CH119902A CH119902DA CH119902A CH 119902 A CH119902 A CH 119902A CH 119902D A CH119902D A CH 119902DA CH 119902 A CH119902 A CH 119902A
- Authority
- CH
- Switzerland
- Prior art keywords
- dye
- orange
- new dye
- parts
- production
- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Coloring (AREA)
Description
Verfahren zur Herstellung eines neuen Farbstoffes. Es wurde gefunden, dass man einen neuen Farbstoff erhält, wenn man das ?-Amino-l-oxybenzol-4-sulfamid dianotiert, hierauf mit 1-(3'-Sulfamido)-phenyl-3-me- thyl-5-pyrazolon kuppelt und den so erhalte nen Farbstoff mit Alkalichromiten behan delt. Der neue Farbstoff bildet ein orange braunes Pulver, löst sich in Wasser und in verdünnter Natronlauge mit oranger, in kon zentrierter Schwefelsäure mit gelber Farbe und färbt Wolle aus saurem Bade in orangen Tönen mit vorzüglichen Eigenschaften.
Beispiel 18,8 Teile 2-Amino-l-oxybenzol-4-sulfa- inid werden in 600 Teilen Wasser und 150 Teilen 30 %iger Salzsäure gelöst, bei 5 mit 69 Teilen Natriumnitrit dianotiert und in eine eiskalte, dauernd sodaalkalisch. gehal tene Lösung von \?53 Teilen 1-(3'-Sulfa- mido)-phenyl-3-methyl-5-pyrazolon einge rührt.
Nach beendeter Reaktion wird der völlig ausgeschiedene Farbstoff abfiltriert. Er kann durch Lösen in Wasser bei 85 bis 90 und Auskristallisierenlassen gereinigt -- -^rden. 89,9 Teile des so erhaltenen Farbstoffes werden in eine kochende Lösung enthaltend 8,5 Teile Cr203, 150 Teile Wasser, 28 Teile Ätzkali und 10 Teile Glyzerin eingetragen und längere Zeit gekocht. Nach Verdünnen mit 200 Teilen Wasser wird filtriert und der neue Farbstoff aus dem Filtrat durch Neu tralisieren und Aussahen isoliert.
Process for the production of a new dye. It has been found that a new dye is obtained if the α-amino-1-oxybenzene-4-sulfamide is dianotated and then coupled with 1- (3'-sulfamido) -phenyl-3-methyl-5-pyrazolone and treated the dye thus obtained with alkali chromites. The new dye forms an orange-brown powder, dissolves in water and in dilute sodium hydroxide solution with orange, in concentrated sulfuric acid with yellow color and dyes wool from acid baths in orange shades with excellent properties.
EXAMPLE 18.8 parts of 2-amino-1-oxybenzene-4-sulfa inide are dissolved in 600 parts of water and 150 parts of 30% strength hydrochloric acid, dianotized with 69 parts of sodium nitrite at 5 and converted to an ice-cold, permanently alkaline soda. The held solution of \? 53 parts of 1- (3'-sulfamido) -phenyl-3-methyl-5-pyrazolone was stirred in.
When the reaction has ended, the completely separated dye is filtered off. It can be purified by dissolving it in water at 85 to 90 and allowing it to crystallize. 89.9 parts of the dye thus obtained are introduced into a boiling solution containing 8.5 parts of Cr 2 O 3, 150 parts of water, 28 parts of caustic potash and 10 parts of glycerol and boiled for a long time. After dilution with 200 parts of water, the mixture is filtered and the new dye is isolated from the filtrate by neutralizing and looking.
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH117996T | 1925-07-03 | ||
CH119902T | 1925-07-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH119902A true CH119902A (en) | 1927-04-16 |
Family
ID=25708936
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH119902D CH119902A (en) | 1925-07-03 | 1925-07-03 | Process for the production of a new dye. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH119902A (en) |
-
1925
- 1925-07-03 CH CH119902D patent/CH119902A/en unknown
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH119902A (en) | Process for the production of a new dye. | |
CH119901A (en) | Process for the production of a new dye. | |
CH119898A (en) | Process for the production of a new dye. | |
CH119896A (en) | Process for the production of a new dye. | |
CH97360A (en) | Process for the preparation of a condensation product of the anthraquinone series which can be used as dye and dye intermediate. | |
CH145851A (en) | Process for the production of a metal-containing dye. | |
CH178109A (en) | Process for the production of a new azo dye. | |
CH119900A (en) | Process for the production of a new dye. | |
CH221178A (en) | Process for the preparation of a stilbene dye. | |
CH110876A (en) | Process for the production of a new dye. | |
CH155018A (en) | Process for the production of a new azo dye. | |
CH119132A (en) | Process for the production of a new metal-containing dye. | |
CH146767A (en) | Process for the production of a new azo dye. | |
CH133698A (en) | Process for the production of a new chromium-containing dye. | |
CH171232A (en) | Process for the production of a new azo dye. | |
CH199786A (en) | Process for the preparation of a new, water-soluble monoazo dye. | |
CH140604A (en) | Process for the preparation of a metal-containing azo dye. | |
CH117996A (en) | Process for the production of a new dye. | |
CH177820A (en) | Process for the production of a new azo dye. | |
CH119890A (en) | Process for the production of a new dye. | |
CH110879A (en) | Process for the production of a new dye. | |
CH155024A (en) | Process for the production of a new azo dye. | |
CH157526A (en) | Process for the production of a new azo dye. | |
CH155025A (en) | Process for the production of a new azo dye. | |
CH148010A (en) | Process for the production of a new metal-containing dye. |