CH190045A - Process for the preparation of a nitro dye. - Google Patents
Process for the preparation of a nitro dye.Info
- Publication number
- CH190045A CH190045A CH190045DA CH190045A CH 190045 A CH190045 A CH 190045A CH 190045D A CH190045D A CH 190045DA CH 190045 A CH190045 A CH 190045A
- Authority
- CH
- Switzerland
- Prior art keywords
- preparation
- nitro dye
- dye
- weight
- parts
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 4
- 239000001005 nitro dye Substances 0.000 title claims description 4
- 238000002360 preparation method Methods 0.000 title claims description 4
- 239000000975 dye Substances 0.000 claims description 3
- 239000010985 leather Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 210000002268 wool Anatomy 0.000 claims description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 4
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 description 2
- 229920006063 Lamide® Polymers 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Coloring (AREA)
Description
Verfahren zur Darstellung eines Nitrofarbstoffes. Gegenstand des vorliegenden Zusatzpaten tes ist ein Verfahren zur Darstellung eines Nitrofarbstoffes, welches .dadurch gekenn zeichnet ist, :dass man 1-Chlor-2-nitrobenzol- i - sulfodiäthylamid mit 2',5'- Dimethoxy-4- aminodiphenylamin - 2 - sulfonsäure konden siert.
<I>Beispiel:</I> 324 Gewichtsteile 2',5' - Dimethoxy - 4 - aminodiphenylamin - 2 - sulfonsäure werden durch Eintragen bei 60 C in eine Lösung von<B>69</B> Gewichtsteilen Kaliumcarbonat in etwa der 20fachen Menge Wasser in das Kaliumsalz übergeführt.
Nach Zugabe von ?(0 Gewichtsteilen Magnesiumoxyd und 2,93 Cxewichtsteilen 1-Chlor-@2-nitrobenzol-4-sulfo- diäthy lamid wird 8 Stunden am Rückfluss zum Sieden erhitzt. Die Kondensation ist beendet, wenn keine diazotierbare Base mehr nachweisbar ist.
Man gibt dann 69 Gewichts teile Kaliurncarbonat zu, filtriert und salzt den Nitrofa. ostof f mit Kaliumchlorid aus. Er bildet in trockenem Zustand ein dun kelbraunes Pulver, das Wolle, Seide und Leder in gleichmässigen braunen Tönen färbt, die gute Echtheitseigenschaften, insbesondere sehr gute Lichtechtheit besitzen.
Process for the preparation of a nitro dye. The subject of the present additional patent is a process for the preparation of a nitro dye, which is characterized by: that 1-chloro-2-nitrobenzene- i - sulfodiethylamide with 2 ', 5'-dimethoxy-4-aminodiphenylamine - 2 - sulfonic acid condenses.
<I> Example: </I> 324 parts by weight of 2 ', 5' - dimethoxy - 4 - aminodiphenylamine - 2 - sulfonic acid are approximately 20 times higher by adding it to a solution of <B> 69 </B> parts by weight of potassium carbonate at 60 ° C Amount of water converted into the potassium salt.
After adding? (0 parts by weight of magnesium oxide and 2.93 parts by weight of 1-chloro- @ 2-nitrobenzene-4-sulfodiethy lamide, the mixture is refluxed for 8 hours. The condensation is ended when no more diazotizable base can be detected.
69 parts by weight of potassium carbonate are then added, the mixture is filtered and the nitrofa is salted. ostof f with potassium chloride. In the dry state it forms a dark brown powder which dyes wool, silk and leather in uniform brown tones which have good fastness properties, in particular very good lightfastness.
Claims (1)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE190045X | 1934-12-22 | ||
| CH187696T | 1935-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH190045A true CH190045A (en) | 1937-03-31 |
Family
ID=25721575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH190045D CH190045A (en) | 1934-12-22 | 1935-12-18 | Process for the preparation of a nitro dye. |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH190045A (en) |
-
1935
- 1935-12-18 CH CH190045D patent/CH190045A/en unknown
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