CH106455A - Process for the production of a new indigoid dye. - Google Patents
Process for the production of a new indigoid dye.Info
- Publication number
- CH106455A CH106455A CH106455DA CH106455A CH 106455 A CH106455 A CH 106455A CH 106455D A CH106455D A CH 106455DA CH 106455 A CH106455 A CH 106455A
- Authority
- CH
- Switzerland
- Prior art keywords
- production
- dye
- indigoid dye
- red
- new
- 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
- C09B7/00—Indigoid dyes
- C09B7/10—Bis-thionapthene indigos
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Description
Verfahren zur Herstellung eines indigoiden Farbstoffes. Es wurde gefunden, dass man einen indi- goiden Farbstoff herstellen kann, wenn man das 6-Chlo.r-2,1-thionaphthisatin mit Oxythio- naphthenkarbonsäure kondensiert. Der Farb- stoff stellt ein braunrotes Pulver dar, das sich in konzentrierter Schwefelsäure mit blau grüner Farbe löst.
Der Farbstoff färbt aus rotgelber Küpe Baumwolle in echten bor deauxroten Tönen.
Beispiel: 248,5 Teile 6-Chlor-2,1-thionaphthisatin und 194 Teile Oxythionaphthenkarbonsäure werden in 4000 Teilen Alkohol suspendiert und nach Zugabe von 5 Teilen Soda zum Sie den erhitzt. Nach mehrstündigem Kochen ist die Kondensation beendigt. Der abges ühie- Jene Farbstoff wird filtriert, gewaschen und getrocknet.
Process for the production of an indigoid dye. It has been found that an indigoid dye can be produced if the 6-chloro-2,1-thionaphthisatin is condensed with oxythionnaphthenecarboxylic acid. The dye is a brown-red powder that dissolves in concentrated sulfuric acid with a blue-green color.
The dye dyes cotton from a red-yellow pot in real bordeaux red tones.
Example: 248.5 parts of 6-chloro-2,1-thionaphthisatin and 194 parts of oxythionaphthenecarboxylic acid are suspended in 4000 parts of alcohol and, after addition of 5 parts of soda, they are heated. After several hours of boiling, the condensation has ended. The removed dye is filtered, washed and dried.
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH100705T | 1922-11-18 | ||
CH106455T | 1923-05-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH106455A true CH106455A (en) | 1924-09-01 |
Family
ID=25705870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH106455D CH106455A (en) | 1922-11-18 | 1923-05-17 | Process for the production of a new indigoid dye. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH106455A (en) |
-
1923
- 1923-05-17 CH CH106455D patent/CH106455A/en unknown
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