DE269337C - - Google Patents
Info
- Publication number
- DE269337C DE269337C DENDAT269337D DE269337DA DE269337C DE 269337 C DE269337 C DE 269337C DE NDAT269337 D DENDAT269337 D DE NDAT269337D DE 269337D A DE269337D A DE 269337DA DE 269337 C DE269337 C DE 269337C
- Authority
- DE
- Germany
- Prior art keywords
- acid
- aminophenylsulfoacetic
- solution
- separation
- cold
- 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
- 239000002253 acid Substances 0.000 claims description 11
- 239000000243 solution Substances 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- BZWKXDLEOAONAD-UHFFFAOYSA-N NC1=C(C=CC=C1)C(C(=O)O)S(=O)(=O)O Chemical compound NC1=C(C=CC=C1)C(C(=O)O)S(=O)(=O)O BZWKXDLEOAONAD-UHFFFAOYSA-N 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- BHRFSFBPASGQSM-UHFFFAOYSA-N [N+](=O)([O-])C1=C(C=CC=C1)C(C(=O)O)S(=O)(=O)O Chemical compound [N+](=O)([O-])C1=C(C=CC=C1)C(C(=O)O)S(=O)(=O)O BHRFSFBPASGQSM-UHFFFAOYSA-N 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- 239000003929 acidic solution Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- 150000001447 alkali salts Chemical class 0.000 claims 1
- USNMCXDGQQVYSW-UHFFFAOYSA-N alpha-sulfophenylacetic acid Chemical compound OC(=O)C(S(O)(=O)=O)C1=CC=CC=C1 USNMCXDGQQVYSW-UHFFFAOYSA-N 0.000 claims 1
- 239000011541 reaction mixture Substances 0.000 claims 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 235000010755 mineral Nutrition 0.000 description 3
- 235000002639 sodium chloride Nutrition 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 239000000987 azo dye Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 150000008049 diazo compounds Chemical class 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
- C07C309/01—Sulfonic acids
- C07C309/28—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
- C07C309/45—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton
-
- 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
- C09B29/00—Monoazo dyes prepared by diazotising and coupling
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE269337C true DE269337C (enrdf_load_html_response) |
Family
ID=526210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT269337D Active DE269337C (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE269337C (enrdf_load_html_response) |
-
0
- DE DENDAT269337D patent/DE269337C/de active Active
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