CH310140A - Process for the preparation of a substantive azo dye. - Google Patents
Process for the preparation of a substantive azo dye.Info
- Publication number
- CH310140A CH310140A CH310140DA CH310140A CH 310140 A CH310140 A CH 310140A CH 310140D A CH310140D A CH 310140DA CH 310140 A CH310140 A CH 310140A
- Authority
- CH
- Switzerland
- Prior art keywords
- acid
- amino
- methylbenzene
- azo dye
- mol
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 8
- 239000000987 azo dye Substances 0.000 title claims description 6
- 238000002360 preparation method Methods 0.000 title claims description 3
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 6
- ZLYYJUJDFKGVKB-OWOJBTEDSA-N (e)-but-2-enedioyl dichloride Chemical compound ClC(=O)\C=C\C(Cl)=O ZLYYJUJDFKGVKB-OWOJBTEDSA-N 0.000 claims description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 3
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 claims description 3
- 239000000975 dye Substances 0.000 claims description 3
- 239000013067 intermediate product Substances 0.000 claims description 3
- WXWCDTXEKCVRRO-UHFFFAOYSA-N para-Cresidine Chemical compound COC1=CC=C(C)C=C1N WXWCDTXEKCVRRO-UHFFFAOYSA-N 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- MTJGVAJYTOXFJH-UHFFFAOYSA-N 3-aminonaphthalene-1,5-disulfonic acid Chemical compound C1=CC=C(S(O)(=O)=O)C2=CC(N)=CC(S(O)(=O)=O)=C21 MTJGVAJYTOXFJH-UHFFFAOYSA-N 0.000 claims description 2
- 229920000742 Cotton Polymers 0.000 claims description 2
- 239000012736 aqueous medium Substances 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 239000004627 regenerated cellulose Substances 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 claims 3
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 claims 2
- 239000001530 fumaric acid Substances 0.000 claims 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims 1
- JJYPMNFTHPTTDI-UHFFFAOYSA-N 3-methylaniline Chemical compound CC1=CC=CC(N)=C1 JJYPMNFTHPTTDI-UHFFFAOYSA-N 0.000 description 8
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 1
- 238000006193 diazotization reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000003756 stirring 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
- C09B43/00—Preparation of azo dyes from other azo compounds
- C09B43/12—Preparation of azo dyes from other azo compounds by acylation of amino groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Description
<B>Zusatzpatent</B> zum Hauptpatent Nr. 305119. Verfahren zur Herstellung eines Substantiven Azofarbstoffes. Gegenstand des vorliegenden Patentes ist ein Verfahren zur Herstellung eines Substan tiven Azofarbstoffes, welches darin besteht, dass man 1 Mol der durch Kuppeln von dia- zotierter 4'-Amino-1,1'-azobenzol-4,3'-disulfon- säure mit 1-Amino-2-methoxy-5-methylbenzol hergestellten Aminodisazoverbindung und 1 Mol der Aminodisazoverbindung,
welche man durch Kuppeln von diazotierter 2-Amino- napht.halin-4,8-disulfonsäure mit 1-Amino-3- methylbenzol, Diazotieren des so gewonnenen Zwischenproduktes und Kuppeln des Diazo- körpers mit 1-Amino-3-methylbenzol erhält, vorzugsweise in wässrigem Medium und in Gegenwart eines säurebindenden Mittels, mit 1 Mol eines Pumarsäuredihalogenides umsetzt.
Im nachfolgenden Beispiel bedeuten die Teile Gewichtsteile.
<I>Beispiel 1:</I> 252,5 Teile der durch Kuppeln von diazo- tierter 4'-Amino-1,1'-azobenzol-4,3'-disulfon- säure mit 1-Amino-2-methoxy-5-methylbenzol hergestellten Aminodisazoverbindung und 269,5 Teile der Aminodisazoverbindung, welche man durch Kuppeln von diazotierter 2-Aminonaphthalin-4,8-disulfonsäure mit 1- Amino-3-methylbenzol,
Diazotieren des so ge- onnenen Zwischenproduktes und Kuppeln des Diazokörpers mit 1-Amino-3-methylbenzol erhält, werden bei Zimmertemperatur zusam men in Wasser unter Zusatz von Natrium hydroxydlösung neutral gelöst. In die Lösung tropft man gleichzeitig und unter gutem Rühren eine Mischung aus 76,5 Teilen Fumar- säuredichlorid und 80 Teilen Benzol und so viel einer Natriumcarbonatlösung, dass die Reaktion immer schwach alkalisch ist.
Nach dem alles Fumarsäuredichlorid eingetragen ist, wird die Reaktionslösung weitergerührt, bis sich keine freie Aminogruppe mehr nach weisen lässt. Hierauf wird der gebildete neue Substantive Azofarbstoff in der Wärme mit Hilfe von Natriumehlorid aus der Lösung ab geschieden, abfiltriert und getroclmet. Er ist ein rotbraunes Pulver, welches sich in Wasser mit oranger und in konzentrierter Schwefel säure mit blauer Farbe löst und Baumwolle und Fasern aus regenerierter Cellulose in orangen Tönen färbt, die sehr gut ätzbar und lichtecht sind.
<I>Beispiel 2:</I> Ersetzt man im vorstehenden Beispiel die 76,-5 Teile Fumarsäuredichlorid durch die äquivalente Menge Pumarsäuredibromid, so erhält man denselben Farbstoff.
<B> Additional patent </B> to main patent no. 305119. Process for the production of a noun azo dye. The present patent relates to a process for the preparation of a substantive azo dye, which consists in adding 1 mol of the 4'-amino-1,1'-azobenzene-4,3'-disulfonic acid diazotized by coupling 1-amino-2-methoxy-5-methylbenzene aminodisazo compound and 1 mole of the aminodisazo compound,
which is obtained by coupling diazotized 2-amino-naphth.halin-4,8-disulfonic acid with 1-amino-3-methylbenzene, diazotizing the intermediate product thus obtained and coupling the diazo body with 1-amino-3-methylbenzene, preferably in an aqueous medium and in the presence of an acid-binding agent, with 1 mol of a pumaric acid dihalide.
In the following example, the parts are parts by weight.
<I> Example 1: </I> 252.5 parts of the by coupling diazo-tated 4'-amino-1,1'-azobenzene-4,3'-disulfonic acid with 1-amino-2-methoxy 5-methylbenzene prepared aminodisazo compound and 269.5 parts of the aminodisazo compound, which can be obtained by coupling diazotized 2-aminonaphthalene-4,8-disulfonic acid with 1-amino-3-methylbenzene,
Diazotization of the intermediate product thus obtained and coupling of the diazo body with 1-amino-3-methylbenzene are dissolved together in water with the addition of sodium hydroxide solution at room temperature. At the same time and with thorough stirring, a mixture of 76.5 parts of fumaric acid dichloride and 80 parts of benzene and sufficient sodium carbonate solution is added dropwise to the solution so that the reaction is always slightly alkaline.
After all of the fumaric acid dichloride has been added, the reaction solution is stirred further until free amino groups can no longer be detected. The new nouns azo dye formed is then separated from the solution in the heat with the aid of sodium chloride, filtered off and dried. It is a red-brown powder that dissolves in water with orange and in concentrated sulfuric acid with a blue color and dyes cotton and fibers made of regenerated cellulose in orange tones, which are very easily etchable and lightfast.
<I> Example 2: </I> If the 76.5 parts of fumaric acid dichloride in the above example are replaced by the equivalent amount of pumaric acid dibromide, the same dye is obtained.
Claims (1)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH305119T | 1952-04-04 | ||
| CH310140T | 1952-04-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH310140A true CH310140A (en) | 1955-09-30 |
Family
ID=25734902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH310140D CH310140A (en) | 1952-04-04 | 1952-04-04 | Process for the preparation of a substantive azo dye. |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH310140A (en) |
-
1952
- 1952-04-04 CH CH310140D patent/CH310140A/en unknown
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