CH155023A - Process for the production of a new azo dye. - Google Patents
Process for the production of a new azo dye.Info
- Publication number
- CH155023A CH155023A CH155023DA CH155023A CH 155023 A CH155023 A CH 155023A CH 155023D A CH155023D A CH 155023DA CH 155023 A CH155023 A CH 155023A
- Authority
- CH
- Switzerland
- Prior art keywords
- production
- azo dye
- new azo
- dye
- toluidide
- 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
Zusatzpatent zum Hauptpatent Nr. <B>152883.</B> Verfahren zur Herstellung eines neuen Azofarbstoffes. Es wurde gefunden, dass man einen neuen Azofarbstoff der Formel:
EMI0001.0006
erhält, wenn man den 4.4'-Dichlor-2-diazo- 1 <B>.</B> l'-diphenyläther mit dem p-Toluidid der 2<B>.</B> 3-Oxynaphthoesäure kuppelt.
Der so erhaltene Farbstoff bildet ein hell rotes Pulver. Auf geeigneten Substraten, wie zum Beispiel Baumwolle, hergestellt, färbt er diese in leuchtenden, ausserordentlich echten Tönen.
<I>Beispiel:</I> 2534 Teile 4. 4'-Dichlor-2-amino-1 <B>.</B> l'-di- phenyläther werden wie üblich diazotiert und in eine Lösung von<B>27,7</B> Teilen des p-Tolui- dids der 2<B>.</B> 3-Oxynaphthoesäure, <B>60</B> Teilen <B>30</B> "/Oiger Natronlauge,<B>15</B> Teilen Soda und 2000 Teilen Wasser eingetragen. Der ge bildete Farbstoff fällt sofort aus. Er wird filtriert, gewaschen und getrocknet.
Additional patent to main patent no. <B> 152883. </B> Process for the production of a new azo dye. It has been found that you can create a new azo dye of the formula:
EMI0001.0006
obtained when the 4.4'-dichloro-2-diazo-1 <B>. </B> l'-diphenyl ether is coupled with the p-toluidide of 2 <B>. </B> 3-oxynaphthoic acid.
The dye thus obtained forms a light red powder. Produced on suitable substrates, such as cotton, for example, he dyes them in bright, extraordinarily real tones.
<I> Example: </I> 2534 parts of 4. 4'-dichloro-2-amino-1 <B>. </B> l'-diphenyl ethers are diazotized as usual and converted into a solution of <B> 27 , 7 </B> parts of the p-toluidide of 2 <B>. </B> 3-oxynaphthoic acid, <B> 60 </B> parts <B> 30 </B> "/ Oiger sodium hydroxide solution, < B> 15 parts of soda and 2000 parts of water are introduced, the dye formed precipitates immediately and is filtered, washed and dried.
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH152883T | 1930-11-15 | ||
CH155023T | 1930-11-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH155023A true CH155023A (en) | 1932-05-31 |
Family
ID=25716075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH155023D CH155023A (en) | 1930-11-15 | 1930-11-15 | Process for the production of a new azo dye. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH155023A (en) |
-
1930
- 1930-11-15 CH CH155023D patent/CH155023A/en unknown
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