CH137095A - Process for producing a solid diazoazo compound. - Google Patents
Process for producing a solid diazoazo compound.Info
- Publication number
- CH137095A CH137095A CH137095DA CH137095A CH 137095 A CH137095 A CH 137095A CH 137095D A CH137095D A CH 137095DA CH 137095 A CH137095 A CH 137095A
- Authority
- CH
- Switzerland
- Prior art keywords
- solid
- compound
- producing
- methylbenzene
- diazoazo
- Prior art date
Links
- 239000007787 solid Substances 0.000 title claims description 8
- 150000001875 compounds Chemical class 0.000 title claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 3
- -1 aminoazo Chemical group 0.000 claims description 2
- 150000008049 diazo compounds Chemical class 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 239000011780 sodium chloride Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000012954 diazonium Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-O diazynium Chemical compound [NH+]#N IJGRMHOSHXDMSA-UHFFFAOYSA-O 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 1
- 235000002639 sodium chloride Nutrition 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Verfahren zur Herstellung einer festen Diazoazoverbindung. Vorliegendes Patent bezieht sich auf ein Verfahren zur Herstellung einer festen Di- a.zoazoverbindung, das dadurch gekennzeich net ist, dass man aus einer Lösung der Diazoverbindung des Aminoazokörpers 2 Nitro-4-methylbenzol-azo-3-amino-4-metIloxy- l-methylbenzo1 durch Zusatz von Kochsalz ein festes Diazoniumchlorid der Formel:
EMI0001.0014
abscheidet. Die so erhaltene feste Dia,zoazoverbindung ist ein braunes Pulver, das sieh in Wasser mit bräunlicher Farbe löst. Sie besitzt bei guter Lösliehkeit eine gute Haltbarkeit.
<I>Beispiel:</I> Eine aus 300 Teilen des p-Aminoazo- körpers: 2-hTitro-4-methylbenzol-azo-3-amino- 4-methoxy-l-methylbenzol hergestellte Di- azoniumchloridlösung wird ausgesalzen und das in kristalliner Form ausfallende Di- azoniumchlorid filtriert und bei etwa 40 bis 50 getrocknet.
Process for producing a solid diazoazo compound. The present patent relates to a process for the production of a solid di- a.zoazoverbindungen, which is characterized in that from a solution of the diazo compound of the aminoazo body 2 nitro-4-methylbenzene-azo-3-amino-4-methyloxy- l -methylbenzo1 by adding common salt a solid diazonium chloride of the formula:
EMI0001.0014
separates. The solid slide, zoazo compound thus obtained is a brown powder that dissolves in water with a brownish color. It has a good shelf life with good solubility.
<I> Example: </I> A diazonium chloride solution prepared from 300 parts of the p-aminoazo body: 2-h-nitro-4-methylbenzene-azo-3-amino-4-methoxy-1-methylbenzene is salted out and the in Diazonium chloride which precipitates out in crystalline form is filtered and dried at about 40-50.
Claims (1)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE137095X | 1926-10-05 | ||
| CH134091T | 1927-10-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH137095A true CH137095A (en) | 1929-12-15 |
Family
ID=25712221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH137095D CH137095A (en) | 1926-10-05 | 1927-10-03 | Process for producing a solid diazoazo compound. |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH137095A (en) |
-
1927
- 1927-10-03 CH CH137095D patent/CH137095A/en unknown
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