DE292118C - - Google Patents
Info
- Publication number
- DE292118C DE292118C DENDAT292118D DE292118DA DE292118C DE 292118 C DE292118 C DE 292118C DE NDAT292118 D DENDAT292118 D DE NDAT292118D DE 292118D A DE292118D A DE 292118DA DE 292118 C DE292118 C DE 292118C
- Authority
- DE
- Germany
- Prior art keywords
- nitrosamines
- diazo
- compounds
- nitrosamine
- dianisidine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 150000001875 compounds Chemical class 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 150000004005 nitrosamines Chemical class 0.000 claims description 6
- 239000003518 caustics Substances 0.000 claims description 5
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 claims description 4
- 125000005228 aryl sulfonate group Chemical group 0.000 claims description 3
- 150000001447 alkali salts Chemical class 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 150000003142 primary aromatic amines Chemical class 0.000 claims description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 25
- 235000011121 sodium hydroxide Nutrition 0.000 description 8
- JRBJSXQPQWSCCF-UHFFFAOYSA-N 3,3'-Dimethoxybenzidine Chemical compound C1=C(N)C(OC)=CC(C=2C=C(OC)C(N)=CC=2)=C1 JRBJSXQPQWSCCF-UHFFFAOYSA-N 0.000 description 5
- XKLJHFLUAHKGGU-UHFFFAOYSA-N nitrous amide Chemical compound ON=N XKLJHFLUAHKGGU-UHFFFAOYSA-N 0.000 description 5
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- JWAZRIHNYRIHIV-UHFFFAOYSA-N 2-naphthol Chemical compound C1=CC=CC2=CC(O)=CC=C21 JWAZRIHNYRIHIV-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- HFACYLZERDEVSX-UHFFFAOYSA-N benzidine Chemical compound C1=CC(N)=CC=C1C1=CC=C(N)C=C1 HFACYLZERDEVSX-UHFFFAOYSA-N 0.000 description 2
- 150000008049 diazo compounds Chemical class 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002790 naphthalenes Chemical class 0.000 description 1
- 238000005185 salting out Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
Landscapes
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE292118C true DE292118C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=546927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT292118D Active DE292118C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE292118C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
0
- DE DENDAT292118D patent/DE292118C/de active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2727345C2 (de) | Verfahren zur Herstellung von 8-Amino-1-naphthol-3,6-disulfonsäure | |
| DE292118C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| AT73548B (de) | Verfahren zur Darstellung von Nitrosaminen primärer, aromatischer Amine bezw. deren Alkalisalzen. | |
| DE1909136A1 (de) | Verfahren zur Herstellung von wasserloeslichen Farbstoffen und optischen Aufhellungsmitteln | |
| CH663027A5 (de) | Verfahren zur herstellung von metallisierbaren azofarbstoffen. | |
| DE726545C (de) | Verfahren zur Gewinnung von Kali aus sehr verduennten Loesungen, z. B. Meerwasser | |
| DE525924C (de) | Verfahren zur Gewinnung von Kobaltsulfid | |
| DE3438981A1 (de) | Verfahren zur herstellung eines tetraalkalimetallsalzes der 4,4'-bis-(4-p-sulfanilino-6-diisopropanolamino-s-triazin-(2)-ylamino)-stilben-2,2'- disulfonsaeure | |
| DE157909C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE541629C (de) | Verfahren zur Darstellung von sulfonierten Oxydi- oder -triarylmethanverbindungen | |
| DE472605C (de) | Verfahren zur Regeneration von Kaliumnitrit aus sogenanntem Fischerschen Salz zur Trennung von Kobalt und Nickel aus deren Loesungen | |
| DE129000C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE563539C (de) | Verfahren zur Herstellung von saeure- und kalkbestaendigen Produkten aus Halogenderivaten hoeherer Fettsaeuren | |
| DE377813C (de) | Verfahren zur Verarbeitung von Hartsalz und Sylvinit | |
| DE283271C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| AT262285B (de) | Verfahren zur Abtrennung und Isolierung einer 4,4'-Dipyridyliumverbindung und zur Herstellung einer gereinigten Lösung eines 4,4'-Dipyridyliumsalzes aus der 4,4'-Dipyridyliumverbindung | |
| DE726076C (de) | Verfahren zur Herstellung von Gerbstoffen aus Sulfitcelluloseablaugen | |
| DE569205C (de) | Verfahren zur Herstellung fester Diazoverbindungen | |
| DE541474C (de) | Verfahren zur Darstellung von basisch substituierten Derivaten aromatischer Aminooxy-und Polyamino-Verbindungen | |
| DE244789C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE398406C (de) | Verfahren zur Herstellung von Aluminiumformiatloesungen | |
| DE150915C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE132423C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE113063C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE127178C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |