CH148014A - Process for the preparation of a direct disazo dye. - Google Patents
Process for the preparation of a direct disazo dye.Info
- Publication number
- CH148014A CH148014A CH148014DA CH148014A CH 148014 A CH148014 A CH 148014A CH 148014D A CH148014D A CH 148014DA CH 148014 A CH148014 A CH 148014A
- Authority
- CH
- Switzerland
- Prior art keywords
- dye
- direct
- preparation
- disazo dye
- color
- Prior art date
Links
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 title claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- ZYECOAILUNWEAL-NUDFZHEQSA-N (4z)-4-[[2-methoxy-5-(phenylcarbamoyl)phenyl]hydrazinylidene]-n-(3-nitrophenyl)-3-oxonaphthalene-2-carboxamide Chemical compound COC1=CC=C(C(=O)NC=2C=CC=CC=2)C=C1N\N=C(C1=CC=CC=C1C=1)/C(=O)C=1C(=O)NC1=CC=CC([N+]([O-])=O)=C1 ZYECOAILUNWEAL-NUDFZHEQSA-N 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229920000742 Cotton Polymers 0.000 claims description 2
- HQXIHRGVWHMQAV-UHFFFAOYSA-N NC=1C=C2C=CC=1OOC1=C(C=C(C=C1)S2(=O)=O)N Chemical compound NC=1C=C2C=CC=1OOC1=C(C=C(C=C1)S2(=O)=O)N HQXIHRGVWHMQAV-UHFFFAOYSA-N 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
- 150000001879 copper Chemical class 0.000 claims description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
Landscapes
- Coloring (AREA)
Description
Verfahren zur Darstellung eines direkt ziehenden Disazofarbstoffes. Es wurde gefunden, dass man einen neuen direkt ziehenden Disazofarbstoff erhält, wenn man tetrazotiertes 3,3'-Diamino-4,4'-dioxydi- phenylsulfon mit 2 Molekülen p-Phenetidyl- 2-amirio-5-naphtol-7-sulfosäure kuppelt.
Beispiel: 28 Teile 3,3'-Diamirio-4,4'-dioxy-diphenyl- sulfon werden salzsauer unter Zusatz von Eis mit 14 Teilen Natriumnitrit tetrazotiert und reit 70 Teilen p-Phenetidyl-2-ainino-5-naphtol- 7-sulfosäure sodaalkalisch gekuppelt. Man lässt 24 Stunden rühren, erwärmt und salzt aus.
Der getrocknete Farbstoff ist ein dunkel- bronziges Pulver, das sich in Wasser mit blauvioletter, in Schwefelsäure mit rotvioletter Farbe löst. Er lässt sich auf Baumwolle direkt färben als Bordeauxrosa und geht beim Be handeln mit Kupfersulfat in Violett über. Denselben Farbton erreicht man, wenn man das Kupfersalz des Farbstoffes verwendet. Die Ausfärbung ist von hervorragender Licht- und guter Waschechtheit.
Process for the preparation of a direct disazo dye. It has been found that a new direct disazo dye is obtained if tetrazotized 3,3'-diamino-4,4'-dioxydiphenylsulfone is coupled with 2 molecules of p-phenetidyl-2-aminio-5-naphthol-7-sulfonic acid .
Example: 28 parts of 3,3'-diamirio-4,4'-dioxy-diphenylsulfone are tetrazotized with 14 parts of sodium nitrite and 70 parts of p-phenetidyl-2-ainino-5-naphtol- 7- sulfonic acid coupled to alkaline soda. The mixture is stirred for 24 hours, heated and salted out.
The dried dye is a dark bronze powder that dissolves in water with a blue-violet color and in sulfuric acid with a red-violet color. It can be dyed directly on cotton as burgundy pink and turns purple when treated with copper sulphate. The same shade of color can be achieved using the copper salt of the dye. The color is extremely lightfast and washfast.
Claims (1)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE148014X | 1928-11-15 | ||
| CH145155T | 1929-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH148014A true CH148014A (en) | 1931-06-30 |
Family
ID=25714626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH148014D CH148014A (en) | 1928-11-15 | 1929-11-14 | Process for the preparation of a direct disazo dye. |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH148014A (en) |
-
1929
- 1929-11-14 CH CH148014D patent/CH148014A/en unknown
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