CH263503A - Process for the preparation of an azo dye. - Google Patents
Process for the preparation of an azo dye.Info
- Publication number
- CH263503A CH263503A CH263503DA CH263503A CH 263503 A CH263503 A CH 263503A CH 263503D A CH263503D A CH 263503DA CH 263503 A CH263503 A CH 263503A
- Authority
- CH
- Switzerland
- Prior art keywords
- blue
- dye
- azo dye
- violet
- preparation
- Prior art date
Links
- 239000000987 azo dye Substances 0.000 title claims description 4
- 238000000034 method Methods 0.000 title claims description 3
- 238000002360 preparation method Methods 0.000 title description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- 239000000975 dye Substances 0.000 claims description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 2
- 235000005811 Viola adunca Nutrition 0.000 claims description 2
- 240000009038 Viola odorata Species 0.000 claims description 2
- 235000013487 Viola odorata Nutrition 0.000 claims description 2
- 235000002254 Viola papilionacea Nutrition 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 238000007747 plating Methods 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 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
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 1
- 240000007817 Olea europaea Species 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Verfahren zur Herstellung eines Azofarbstoffes. Es wurde gefunden, dass ein wertvoller Azofarbstoff hergestellt werden kann, wenn man diazotierte 6-Nitro-2-amino-l-phenol-4- sulfonsäure mit Glycerin-mono-(6-oxy-2- naphthyl)-äther kuppelt.
Der neue Farbstoff stellt. ein schwärz liches Pulver dar, das sich in Wasser und verdünnter Sodalösung mit blauvioletter, in konzentrierter Schwefelsäure mit violettroter Farbe löst. Der Farbstoff färbt. Wolle aus saurem Bade in blauen Tönen, die durch Nachchromieren in ein echtes blaustichiges Olivgrau übergeführt. werden.
Die Kupplung erfolgt zweckmässig in al kalischem, z. B. Alkalihydroxy d und gegebe nenfalls Alkalicarbonat enthaltendem Medium. <I>Beispiel:</I> 23,4 Teile 6-Nitro-2-amino-l-phenol-4-sul- fonsäure werden in bekannter Weise diazotiert und in alkalischer Lösung mit 24 Teilen Glv- cerin-mono-(6-oxy-2-naphthyl)-äther gekup pelt. Nach beendeter Kupplung wird der Farbstoff durch Kochsalzzugabe abgeschie den, abfiltriert und getrocknet.
Process for the preparation of an azo dye. It has been found that a valuable azo dye can be produced if diazotized 6-nitro-2-amino-1-phenol-4-sulfonic acid is coupled with glycerol mono- (6-oxy-2-naphthyl) ether.
The new dye represents. a blackish powder that dissolves in water and dilute soda solution with a blue-violet color, in concentrated sulfuric acid with a violet-red color. The dye stains. Wool from an acid bath in blue tones, which are converted into a real blue-tinged olive-gray by re-chrome plating. will.
The coupling is expedient in al kalischem, z. B. Alkali hydroxide and optionally alkali carbonate-containing medium. <I> Example: </I> 23.4 parts of 6-nitro-2-amino-1-phenol-4-sulphonic acid are diazotized in a known manner and mixed with 24 parts of glycerin-mono- (6 -oxy-2-naphthyl) ether coupled. After coupling is complete, the dye is deposited by adding sodium chloride, filtered off and dried.
Claims (1)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH263503T | 1942-12-22 | ||
| CH257111T | 1943-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH263503A true CH263503A (en) | 1949-08-31 |
Family
ID=25730042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH263503D CH263503A (en) | 1942-12-22 | 1942-12-22 | Process for the preparation of an azo dye. |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH263503A (en) |
-
1942
- 1942-12-22 CH CH263503D patent/CH263503A/en unknown
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