CH211018A - Process for the production of a new azo dye. - Google Patents
Process for the production of a new azo dye.Info
- Publication number
- CH211018A CH211018A CH211018DA CH211018A CH 211018 A CH211018 A CH 211018A CH 211018D A CH211018D A CH 211018DA CH 211018 A CH211018 A CH 211018A
- Authority
- CH
- Switzerland
- Prior art keywords
- azo dye
- production
- new azo
- new
- water
- 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
- C09B29/12—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group of the benzene series
-
- 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
Description
Verfahren zur Herstellung eines neuen Azofarüstoffes. Es wurde gefunden, dass ein neuer Azo- farbstoff hergestellt werden kann, wenn man dia.zotiertes 1-Amino-2-methyl-4-nitro- benzol mit 2,3-Oxynaphthoesäure-3'-pyrenolid vereinigt.
Der neue Azofarbstoff bildet ein corinth- rotes, in Wasser unlösliches Pulver. Auf geeigneten Substraten, wie z. B. Baumwolle, hergestellt, färbt er diese in sehr echten, insbesondere auch lichtechten, corinthroten Tönen.
<I>Beispiel</I> 1.ä,9 Teile 1-Amino-2-methyl-4-nitro- benzol (1/1a 142o1) werden wie üblich diazo- tiert und in eine Lösung von 38,8 Teilen 2,3-Oxynaphthoesäure-3'-pyrenolid ('/1o Hol), <B>100</B> Teilen Natriumhydroxydlösung von 36 <I> </I> Be, <B>15</B> Teilen Natriumacetat und 2000 Teilen Wasser eingetragen. Der gebildete Farbstoff fällt sofort aus.
Er wird abfil- triert, mit Wasser gewaschen und getrocknet.
Process for the production of a new azo fuel. It has been found that a new azo dye can be produced by combining dia.zotierter 1-amino-2-methyl-4-nitro-benzene with 2,3-oxynaphthoic acid-3'-pyrenolide.
The new azo dye forms a corinth-red powder that is insoluble in water. On suitable substrates, such as. B. cotton, produced, he dyes them in very real, especially lightfast, corin-red tones.
<I> Example </I> 1.ä, 9 parts of 1-amino-2-methyl-4-nitrobenzene (1 / 1a 142o1) are diazotized as usual and in a solution of 38.8 parts of 3-oxynaphthoic acid-3'-pyrenolide ('/ 1o Hol), <B> 100 </B> parts of sodium hydroxide solution of 36 <I> </I> Be, <B> 15 </B> parts of sodium acetate and 2000 parts of water registered. The dye formed precipitates immediately.
It is filtered off, washed with water and dried.
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH211018T | 1937-06-02 | ||
CH208951T | 1937-06-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH211018A true CH211018A (en) | 1940-08-15 |
Family
ID=25724632
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH211018D CH211018A (en) | 1937-06-02 | 1937-06-02 | Process for the production of a new azo dye. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH211018A (en) |
-
1937
- 1937-06-02 CH CH211018D patent/CH211018A/en unknown
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