CH220421A - Process for the preparation of a monoazo dye. - Google Patents
Process for the preparation of a monoazo dye.Info
- Publication number
- CH220421A CH220421A CH220421DA CH220421A CH 220421 A CH220421 A CH 220421A CH 220421D A CH220421D A CH 220421DA CH 220421 A CH220421 A CH 220421A
- Authority
- CH
- Switzerland
- Prior art keywords
- preparation
- monoazo dye
- methylbenzothiazole
- sulfonic acid
- dye
- 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
- C09B29/00—Monoazo dyes prepared by diazotising and coupling
- C09B29/32—Monoazo dyes prepared by diazotising and coupling from coupling components containing a reactive methylene group
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Description
Verfahren zur Herstellung eines blonoazofarbstoffes. Gegenstand ,des vorliegenden Zusatzpatent- Herstellung gesuelies ist ein Verfahren zur Herstellung eines Monoazofarbstoffes, ,dadurch gekenn zeichnet, dass man die Diazoverbindung der 2- (4'-Aminophenyl)-,6-methylbenzothiazol-7- sulfonsäure mit 2 - (-4'- Acetoa@cetylamino- phenyl) - 6 -methylbenzothiazol-3'-sulfonsäure kuppelt.
Der erhaltene Farbstoff färbt Baumwolle und Viskose in grünstichig gel ben Tönen von ehr guter Wasser- und Waschechtheit sowie sehr guter Lichtecht heit.
<I>Beispiel:</I> 320 Gewichtsteile 2-(4'-Amiuophenyl)=6- methylbenzothiazol-7-sulfoneäure werden wie üblich diazotiert und mit 404 Gewichtsteilen 2 - (4'- Acetoacetylaminophenyl)-6-methylben- zothiazol-3'-sulfonsäure in sodaalkalischer Lösung gekuppelt. Der erhaltene Farbstoff färbt Baumwolle und Viskose in grünstichig ,gelben Tönen von sehr .guter Wasser- und Waschechtheit sowie :guter Lichtechtheit.
Process for the preparation of a blonoazo dye. The subject of the present additional patent production is a process for the production of a monoazo dye, characterized in that the diazo compound of 2- (4'-aminophenyl) -, 6-methylbenzothiazole-7-sulfonic acid with 2 - (-4 ' - Acetoa @ cetylaminophenyl) - 6 -methylbenzothiazole-3'-sulfonic acid couples.
The dye obtained dyes cotton and viscose in greenish yellow shades of good water and wash fastness and very good light fastness.
<I> Example: </I> 320 parts by weight of 2- (4'-amiuophenyl) = 6- methylbenzothiazole-7-sulfonic acid are diazotized as usual and with 404 parts by weight of 2- (4'-acetoacetylaminophenyl) -6-methylbenzothiazole- 3'-sulfonic acid coupled in a soda-alkaline solution. The dye obtained dyes cotton and viscose in greenish, yellow shades of very good water and wash fastness and: good light fastness.
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE220419X | 1939-11-07 | ||
CH217242T | 1940-09-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH220421A true CH220421A (en) | 1942-03-31 |
Family
ID=25725997
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH220421D CH220421A (en) | 1939-11-07 | 1940-09-19 | Process for the preparation of a monoazo dye. |
CH220419D CH220419A (en) | 1939-11-07 | 1940-09-19 | Process for the preparation of a monoazo dye. |
CH220420D CH220420A (en) | 1939-11-07 | 1940-09-19 | Process for the preparation of a monoazo dye. |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH220419D CH220419A (en) | 1939-11-07 | 1940-09-19 | Process for the preparation of a monoazo dye. |
CH220420D CH220420A (en) | 1939-11-07 | 1940-09-19 | Process for the preparation of a monoazo dye. |
Country Status (1)
Country | Link |
---|---|
CH (3) | CH220421A (en) |
-
1940
- 1940-09-19 CH CH220421D patent/CH220421A/en unknown
- 1940-09-19 CH CH220419D patent/CH220419A/en unknown
- 1940-09-19 CH CH220420D patent/CH220420A/en unknown
Also Published As
Publication number | Publication date |
---|---|
CH220420A (en) | 1942-03-31 |
CH220419A (en) | 1942-03-31 |
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