CH247601A - Process for the preparation of a new monoazo dye. - Google Patents
Process for the preparation of a new monoazo dye.Info
- Publication number
- CH247601A CH247601A CH247601DA CH247601A CH 247601 A CH247601 A CH 247601A CH 247601D A CH247601D A CH 247601DA CH 247601 A CH247601 A CH 247601A
- Authority
- CH
- Switzerland
- Prior art keywords
- blue
- new
- monoazo dye
- dye
- ethyl ester
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 6
- NYGZLYXAPMMJTE-UHFFFAOYSA-M metanil yellow Chemical group [Na+].[O-]S(=O)(=O)C1=CC=CC(N=NC=2C=CC(NC=3C=CC=CC=3)=CC=2)=C1 NYGZLYXAPMMJTE-UHFFFAOYSA-M 0.000 title claims description 5
- 238000002360 preparation method Methods 0.000 title description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 239000011651 chromium Substances 0.000 claims description 4
- 210000002268 wool Anatomy 0.000 claims description 4
- 238000004043 dyeing Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 241000974482 Aricia saepiolus Species 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000003801 milling Methods 0.000 claims description 2
- 238000007747 plating Methods 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 230000002378 acidificating effect Effects 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- CDAWCLOXVUBKRW-UHFFFAOYSA-N 2-aminophenol Chemical compound NC1=CC=CC=C1O CDAWCLOXVUBKRW-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- QOWZHEWZFLTYQP-UHFFFAOYSA-K chromium(3+);triformate Chemical compound [Cr+3].[O-]C=O.[O-]C=O.[O-]C=O QOWZHEWZFLTYQP-UHFFFAOYSA-K 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
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
- C09B45/00—Complex metal compounds of azo dyes
- C09B45/02—Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
- C09B45/14—Monoazo compounds
- C09B45/16—Monoazo compounds containing chromium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Description
Verfahren zur Herstellung eines neuen Monoazofarbstoffes. Das vorliegende Patent betrifft ein Ver fahren zur Herstellung eines neuen chromier- baren Monoazofarbstoffes und ist dadurch ge kennzeichnet, dass man diazotierte 2-Amino- phenol - 4 - carbamidsäureäthylester - 6 - sulf on- säure mit a-(7-Oxynaphthyl)
-carbamidsäure- äthylester vereinigt. <I>Beispiel:</I> 27,6 Gewichtsteile 2-Aminophenol-4-carb- amidsäureäthylester - 6 - sulfonsäure werden diazotiert und mit einer Lösung von 23,1 Gewichtsteilen a-(7-Oxynaphthyl)-carbamid- säureäthy lester in 300 Teilen Wasser, 4 Ge wichtsteilen Natriumhydroxyd und der be rechneten Menge Soda gekuppelt. Der isolierte und getrocknete Farbstoff ist ein schwarzes Pulver, welches sich in Wasser mit blauer und in conc. Schwefelsäure mit roter Farbe löst.
Die nach der Einbadchrom- oder der Nachchromierungsmethode erhältlichen Aus färbungen auf Wolle haben lebhaft grünlich blaugraue Töne. Sie sind von guter Wasch-, Walk- und Lichtechtheit.
Zur Herstellung des Chromkomplexes wird eine wie oben erhaltene Farbstoffmenge in 1200 Gewichtsteilen Chromformiatlösung, deren Gehalt 12 Teilen Chromoxyd ent spricht, 12 Stunden am Rückflusskühler ge kocht. Abgekühlt auf Zimmertemperatur ist der chromhaltige Farbstoff in feinen bron- zierenden Nädelchen ausgeschieden. Diese lösen sich in Wasser mit blauer und in conc. Schwefelsäure mit rotblauer Farbe.
Ausge färbt aus saurem Bad auf Wolle, erhält man lebhafte grünlichblaue Töne, welche gut egal sind und gute'Vasch-, Walk- und Lichtecht heit besitzen.
Process for the preparation of a new monoazo dye. The present patent relates to a process for the production of a new chromable monoazo dye and is characterized in that diazotized 2-aminophenol - 4 - carbamic acid ethyl ester - 6 - sulfonic acid with a- (7-oxynaphthyl)
-carbamic acid ethyl ester combined. <I> Example: </I> 27.6 parts by weight of 2-aminophenol-4-carbamic acid ethyl ester - 6 - sulfonic acid are diazotized and mixed with a solution of 23.1 parts by weight of a- (7-oxynaphthyl) -carbamide acid ethyl ester in 300 parts of water, 4 parts by weight of sodium hydroxide and the calculated amount of soda coupled. The isolated and dried dye is a black powder, which in water with blue and in conc. Sulfuric acid dissolves with red color.
The dyeings on wool obtained by the single-bath chrome or post-chrome plating method have lively greenish blue-gray tones. They are fast to washing, milling and light.
To prepare the chromium complex, an amount of dye obtained as above is boiled in a reflux condenser for 12 hours in 1200 parts by weight of chromium formate solution, the content of which corresponds to 12 parts of chromium oxide. When it has cooled down to room temperature, the chromium-containing dye is excreted in fine bronzing needles. These dissolve in water with blue and in conc. Sulfuric acid with a red-blue color.
Dyed from an acid bath on wool, you get lively greenish-blue tones, which do not matter and have good fastness to washing, boiling and light.
Claims (1)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH243335T | 1944-09-01 | ||
| CH247601T | 1944-09-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH247601A true CH247601A (en) | 1947-03-15 |
Family
ID=25728812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH247601D CH247601A (en) | 1944-09-01 | 1944-09-01 | Process for the preparation of a new monoazo dye. |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH247601A (en) |
-
1944
- 1944-09-01 CH CH247601D patent/CH247601A/en unknown
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