CH140001A - Process for the preparation of a yellow monoazo dye. - Google Patents
Process for the preparation of a yellow monoazo dye.Info
- Publication number
- CH140001A CH140001A CH140001DA CH140001A CH 140001 A CH140001 A CH 140001A CH 140001D A CH140001D A CH 140001DA CH 140001 A CH140001 A CH 140001A
- Authority
- CH
- Switzerland
- Prior art keywords
- preparation
- yellow
- dye
- monoazo dye
- yellow monoazo
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 4
- 238000002360 preparation method Methods 0.000 title claims description 3
- 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 description 2
- 239000000843 powder Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 210000002268 wool Anatomy 0.000 claims description 2
- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 claims 1
- 229940092714 benzenesulfonic acid Drugs 0.000 claims 1
- ZMCHBSMFKQYNKA-UHFFFAOYSA-N 2-aminobenzenesulfonic acid Chemical compound NC1=CC=CC=C1S(O)(=O)=O ZMCHBSMFKQYNKA-UHFFFAOYSA-N 0.000 description 3
- 239000000975 dye Substances 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- UWLNKHDLVZEYKQ-UHFFFAOYSA-N 4-chloro-3-(3-methyl-5-oxo-4h-pyrazol-1-yl)benzenesulfonic acid Chemical compound O=C1CC(C)=NN1C1=CC(S(O)(=O)=O)=CC=C1Cl UWLNKHDLVZEYKQ-UHFFFAOYSA-N 0.000 description 1
- WTKZEGDFNFYCGP-UHFFFAOYSA-N Pyrazole Chemical compound C=1C=NNC=1 WTKZEGDFNFYCGP-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 239000000987 azo dye Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- -1 sulfophenyl Chemical group 0.000 description 1
Landscapes
- Coloring (AREA)
Description
Verfahren zur Darstellung eines gelben Monoazofarbstoffes. Gegenstand dieser Anmeldung ist ein Ver fahren zur Darstellung des Azofarbstoffes:
EMI0001.0003
o-Aminobenzolsulfosäure <SEP> >- <SEP> 1-(2'-Chlor-5'-sulfophenyl)-3-methyl-5-pyrazolon, welches dadurch gekennzeichnet ist, dass man diazotierte o-Aminobenzolsulfosäure mit<B>1-</B> (2'- Chl or-5'-sulf ophenyl)-3-methyl-5-pyr@azo- lon kuppelt.
Beispiel 288,5 Gewichtsteile 1-(2'-Chlor-5'-:sulfo- phenyl)-3-methyl-Z-pyrazolon werden in un gefähr 1000 Gewichtsteilen Wasser und 212 Gewichtsteilen Soda gelöst. Dazu lässt man eine in bekannter Weise aus<B>173</B> Gewichts teilen o-Aminobenzolsulfosäure erhaltene Di- azolösuug langsam einlaufen.
Nach beendeter Kupplung wird der Farbstoff durch wenig Kochsalz zur Abscheidung gebracht; er stellt nach dem Absaugen und Trocknen ein gelbes Pulver d;ar, welches bei spielender Löslich keit auch in kalkhaltigem Wasser Wolle in ..rünstichig gelbem Farbton anfärbt. Die Färbung zeichnet sich durch hervorragende Lichtechtheit sehr gute Egalität und Wasser echtheit aus.
Process for the preparation of a yellow monoazo dye. The subject of this application is a process for the representation of the azo dye:
EMI0001.0003
o-aminobenzenesulfonic acid <SEP>> - <SEP> 1- (2'-chloro-5'-sulfophenyl) -3-methyl-5-pyrazolone, which is characterized in that diazotized o-aminobenzenesulfonic acid with <B> 1- </B> (2'-chloro-5'-sulfophenyl) -3-methyl-5-pyr @ azo-ion couples.
Example 288.5 parts by weight of 1- (2'-chloro-5 '-: sulfophenyl) -3-methyl-Z-pyrazolone are dissolved in approximately 1000 parts by weight of water and 212 parts by weight of soda. For this purpose, a diazole solution obtained in a known manner from parts by weight of o-aminobenzenesulfonic acid is allowed to run in slowly.
After the coupling has ended, the dye is made to separate out by adding a little sodium chloride; After vacuuming and drying, it turns into a yellow powder, which, with a playful solubility, also dyes wool in a greenish yellow hue in hard water. The dyeing is characterized by excellent lightfastness, very good levelness and waterfastness.
Claims (1)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE140001X | 1927-05-10 | ||
| CH136648T | 1928-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH140001A true CH140001A (en) | 1930-05-15 |
Family
ID=25712757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH140001D CH140001A (en) | 1927-05-10 | 1928-05-07 | Process for the preparation of a yellow monoazo dye. |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH140001A (en) |
-
1928
- 1928-05-07 CH CH140001D patent/CH140001A/en unknown
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