CH161842A - Process for the production of a new azo dye. - Google Patents
Process for the production of a new azo dye.Info
- Publication number
- CH161842A CH161842A CH161842DA CH161842A CH 161842 A CH161842 A CH 161842A CH 161842D A CH161842D A CH 161842DA CH 161842 A CH161842 A CH 161842A
- Authority
- CH
- Switzerland
- Prior art keywords
- production
- azo dye
- new azo
- naphthylamide
- chloro
- 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
- C09B29/10—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group
- C09B29/18—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group ortho-Hydroxy carbonamides
- C09B29/20—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group ortho-Hydroxy carbonamides of the naphthalene series
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Verfahren zur Herstellung eines neuen Azofarbstoifes. Es wurde gefunden, dass man einen neuen
EMI0001.0003
erhält, wenn man den Äthylester des 2-Diazo- 4-carbonsäure-4'-chlor-1.1'-diphenyläthers mit dem a-Naphtylamid der 2.3-Oxynaphtoe- säure kuppelt.
Der so erhaltene Farbstoff bildet ein rotes Pulver. Auf geeigneten Substraten, wie z. B. Baumwolle, Wolle, Kunstseide hergestellt, färbt es diese in leuchtenden, sehr echten roten Tönen.
<I>Beispiel:</I> 29,1 Teile Äthylester des 2-Atnino-4- carbonsäure-4'-chlor-1 . 1'-diphenyläthers wer den wie üblich diazotiert und in eine Lösung von 31,3 Teilen des a-Naphtylamids der 2 . 3-Oxynaplhtoesäure, <B>60</B> Teilen<B>80</B> /oiger Natriumhydroxydlösung, 15 Teilen Soda und 2000 Teilen Wasser eingetragen. Der ge bildete Farbstoff fällt sofort aus. Er wird filtriert, gewaschen und getrocknet.
Process for the production of a new azo dye. It was found that you can get a new one
EMI0001.0003
obtained when the ethyl ester of 2-diazo-4-carboxylic acid 4'-chloro-1.1'-diphenyl ether is coupled with the a-naphthylamide of 2.3-oxynaphthoic acid.
The dye thus obtained forms a red powder. On suitable substrates, such as. B. cotton, wool, artificial silk, it dyes them in bright, very real red tones.
<I> Example: </I> 29.1 parts of the ethyl ester of 2-atnino-4-carboxylic acid-4'-chloro-1. 1'-diphenyl ethers who diazotized as usual and in a solution of 31.3 parts of the a-naphthylamide of the 2. 3-Oxynaplhtoic acid, <B> 60 </B> parts of <B> 80 </B> /% sodium hydroxide solution, 15 parts of soda and 2000 parts of water. The dye formed precipitates out immediately. It is filtered, washed and dried.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH161842T | 1933-03-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH161842A true CH161842A (en) | 1933-05-31 |
Family
ID=4415123
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH161842D CH161842A (en) | 1933-03-17 | 1932-05-10 | Process for the production of a new azo dye. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH161842A (en) |
-
1932
- 1932-05-10 CH CH161842D patent/CH161842A/en unknown
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