DE210598C - - Google Patents
Info
- Publication number
- DE210598C DE210598C DENDAT210598D DE210598DA DE210598C DE 210598 C DE210598 C DE 210598C DE NDAT210598 D DENDAT210598 D DE NDAT210598D DE 210598D A DE210598D A DE 210598DA DE 210598 C DE210598 C DE 210598C
- Authority
- DE
- Germany
- Prior art keywords
- aminoazobenzene
- treats
- dichloro
- preparing
- sulfuric acid
- 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
- NYGZLYXAPMMJTE-UHFFFAOYSA-M metanil yellow Chemical group [Na+].[O-]S(=O)(=O)C1=CC=CC(N=NC=2C=CC(NC=3C=CC=CC=3)=CC=2)=C1 NYGZLYXAPMMJTE-UHFFFAOYSA-M 0.000 claims 1
- HIFJUMGIHIZEPX-UHFFFAOYSA-N sulfuric acid;sulfur trioxide Chemical compound O=S(=O)=O.OS(O)(=O)=O HIFJUMGIHIZEPX-UHFFFAOYSA-N 0.000 claims 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
- C09B43/02—Preparation of azo dyes from other azo compounds by sulfonation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Description
BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.
Claims (1)
- Patent-Anspruch:25Verfahren zur Darstellung eines gelben Monoazofarbstoffs, darin bestehend, daß man 2' · 3 - Dichlor - 4 - aminoazobenzol mit rauchender Schwefelsäure behandelt.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE210598C true DE210598C (de) |
Family
ID=472472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT210598D Active DE210598C (de) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE210598C (de) |
-
0
- DE DENDAT210598D patent/DE210598C/de active Active
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