AR240801A2 - Procedimiento para la produccion de acido 4-nitrotoluen-2-sulfonico - Google Patents
Procedimiento para la produccion de acido 4-nitrotoluen-2-sulfonicoInfo
- Publication number
- AR240801A2 AR240801A2 AR29873684A AR29873684A AR240801A2 AR 240801 A2 AR240801 A2 AR 240801A2 AR 29873684 A AR29873684 A AR 29873684A AR 29873684 A AR29873684 A AR 29873684A AR 240801 A2 AR240801 A2 AR 240801A2
- Authority
- AR
- Argentina
- Prior art keywords
- nitrotoluene
- sulphonic acid
- oleum
- sulfonation
- preparation
- Prior art date
Links
- ZDTXQHVBLWYPHS-UHFFFAOYSA-N 4-nitrotoluene-2-sulfonic acid Chemical compound CC1=CC=C([N+]([O-])=O)C=C1S(O)(=O)=O ZDTXQHVBLWYPHS-UHFFFAOYSA-N 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- ZPTVNYMJQHSSEA-UHFFFAOYSA-N 4-nitrotoluene Chemical compound CC1=CC=C([N+]([O-])=O)C=C1 ZPTVNYMJQHSSEA-UHFFFAOYSA-N 0.000 abstract 3
- 238000006277 sulfonation reaction Methods 0.000 abstract 3
- HIFJUMGIHIZEPX-UHFFFAOYSA-N sulfuric acid;sulfur trioxide Chemical compound O=S(=O)=O.OS(O)(=O)=O HIFJUMGIHIZEPX-UHFFFAOYSA-N 0.000 abstract 3
- 238000006243 chemical reaction Methods 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
PROCEDIMIENTO PARA LA FABRICACION DE ACIDO 4-NITROTOLUEN-2-SULFONICO POR SULFONACION DE 4-NITROTOLUENO CON OLEUM. LA SULFONACION SE REALIZA EN CONTINUO CON OLEUM AL 50-85% Y DURANTE TODA LA DURACION DE LA REACCION SE MANTIENE EN LA MASA REACCIONAL, A LA CUAL SE DOSIFICAN EL 4-NITROTOLUENO Y EL OLEUM, EL GRADO DE CONVERSION DE 4-NITROTOLUENO MAYOR O IGUAL A 90%, Y EVENTUALMENTE TRATAR LA MASA DE SULFONACION OBTENIDA, PARA AISLAR EL PRODUCTO DESEADO.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH635083 | 1983-11-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AR240801A2 true AR240801A2 (es) | 1991-02-28 |
| AR240801A1 AR240801A1 (es) | 1991-02-28 |
Family
ID=4308193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AR298736A AR240801A1 (es) | 1983-11-28 | 1984-11-26 | Procedimiento para la produccion de acido 4-nitrotoluen-2-sulfonico |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4922008A (es) |
| EP (1) | EP0143750B1 (es) |
| JP (1) | JPS60132950A (es) |
| AR (1) | AR240801A1 (es) |
| BR (1) | BR8406014A (es) |
| CA (1) | CA1230608A (es) |
| DE (1) | DE3463264D1 (es) |
| ES (1) | ES537987A0 (es) |
| MX (1) | MX156322A (es) |
| ZA (1) | ZA849242B (es) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH692246A5 (de) * | 1996-12-13 | 2002-04-15 | Basf Ag | Verfahren zur Herstellung von Aminsalzen von 4-Nitrotoluol-2-sulfonsäure. |
| US6384271B1 (en) | 2001-05-04 | 2002-05-07 | E.I. Du Pont De Nemours And Company | Sulfonation, sulfation and sulfamation |
| CN102786445B (zh) * | 2011-05-19 | 2014-07-02 | 中国科学院大连化学物理研究所 | 一种生产间硝基苯磺酸的方法和设备 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH478772A (de) * | 1967-03-09 | 1969-09-30 | Geigy Ag J R | Verfahren zur Herstellung von Nitroaromat-sulfonsäuren |
| GB1434020A (en) * | 1972-10-30 | 1976-04-28 | Koebner A | Sulphonation of aromatic compounds in the presence of solvents |
| US3923666A (en) * | 1973-02-26 | 1975-12-02 | Halliburton Co | Method and composition for acidizing and fracturing wells |
| IT986670B (it) * | 1973-03-20 | 1975-01-30 | Micol Ets | Procedimento perfezionato per ini bire la formazione di composti se condari indesiderati nella solfona zione solfatazione di composti organici |
| US3840591A (en) * | 1973-04-25 | 1974-10-08 | Ciba Geigy Corp | Process for the production of p-nitrotoluene-2-sulfonic acid |
| JPS5390219A (en) * | 1977-01-17 | 1978-08-08 | Kao Corp | Sulfonation process and its apparatus |
| DD140206A1 (de) * | 1978-12-01 | 1980-02-20 | Ingrid Hertel | Stufenreaktor zur durchfuehrung chemischer und/oder physikalischer operationen und seine anwendung |
| DE2916912A1 (de) * | 1979-04-26 | 1980-11-06 | Bayer Ag | Verfahren zur herstellung von 4-nitrotoluol-2-sulfonsaeure |
| EP0083555B1 (de) * | 1981-12-31 | 1985-05-29 | Ciba-Geigy Ag | Verfahren zur Herstellung von p-Nitrotoluol-2-sulfonsäure |
-
1984
- 1984-11-22 EP EP84810570A patent/EP0143750B1/de not_active Expired
- 1984-11-22 DE DE8484810570T patent/DE3463264D1/de not_active Expired
- 1984-11-26 CA CA000468598A patent/CA1230608A/en not_active Expired
- 1984-11-26 AR AR298736A patent/AR240801A1/es active
- 1984-11-27 BR BR8406014A patent/BR8406014A/pt not_active IP Right Cessation
- 1984-11-27 MX MX203499A patent/MX156322A/es unknown
- 1984-11-27 ES ES537987A patent/ES537987A0/es active Granted
- 1984-11-27 ZA ZA849242A patent/ZA849242B/xx unknown
- 1984-11-28 JP JP59249809A patent/JPS60132950A/ja active Granted
-
1987
- 1987-04-29 US US07/045,734 patent/US4922008A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0442378B2 (es) | 1992-07-13 |
| ZA849242B (en) | 1985-07-31 |
| ES8601116A1 (es) | 1985-11-01 |
| JPS60132950A (ja) | 1985-07-16 |
| US4922008A (en) | 1990-05-01 |
| EP0143750A3 (en) | 1985-07-24 |
| CA1230608A (en) | 1987-12-22 |
| AR240801A1 (es) | 1991-02-28 |
| DE3463264D1 (en) | 1987-05-27 |
| EP0143750B1 (de) | 1987-04-22 |
| BR8406014A (pt) | 1985-08-27 |
| MX156322A (es) | 1988-08-09 |
| EP0143750A2 (de) | 1985-06-05 |
| ES537987A0 (es) | 1985-11-01 |
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