BR8002543A - Processo para a preparacao de acido 4-nitrotolueno-2-sulfonico - Google Patents
Processo para a preparacao de acido 4-nitrotolueno-2-sulfonicoInfo
- Publication number
- BR8002543A BR8002543A BR8002543A BR8002543A BR8002543A BR 8002543 A BR8002543 A BR 8002543A BR 8002543 A BR8002543 A BR 8002543A BR 8002543 A BR8002543 A BR 8002543A BR 8002543 A BR8002543 A BR 8002543A
- Authority
- BR
- Brazil
- Prior art keywords
- nitrotoluene
- preparation
- sulphonic acid
- sulphonic
- acid
- Prior art date
Links
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792916912 DE2916912A1 (de) | 1979-04-26 | 1979-04-26 | Verfahren zur herstellung von 4-nitrotoluol-2-sulfonsaeure |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8002543A true BR8002543A (pt) | 1980-12-09 |
Family
ID=6069326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8002543A BR8002543A (pt) | 1979-04-26 | 1980-04-25 | Processo para a preparacao de acido 4-nitrotolueno-2-sulfonico |
Country Status (5)
Country | Link |
---|---|
US (1) | US4382039A (pt) |
EP (1) | EP0018541B2 (pt) |
JP (1) | JPS55145661A (pt) |
BR (1) | BR8002543A (pt) |
DE (2) | DE2916912A1 (pt) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0083555B1 (de) * | 1981-12-31 | 1985-05-29 | Ciba-Geigy Ag | Verfahren zur Herstellung von p-Nitrotoluol-2-sulfonsäure |
EP0143750B1 (de) * | 1983-11-28 | 1987-04-22 | Ciba-Geigy Ag | Verfahren zur Herstellung von 4-Nitrotoluol-2-sulfonsäure |
FR2576019B1 (fr) * | 1985-01-15 | 1987-11-27 | Sandoz Sa | Procede de sulfonation de nitrobenzenes substitues |
US5021132A (en) * | 1990-08-07 | 1991-06-04 | Sandoz Ltd. | Electrochemical process for preparing 4,4'-dinitrostilbene-2,2'-disulfonic acid and the salts thereof |
JPH05194363A (ja) * | 1992-01-14 | 1993-08-03 | Nissan Chem Ind Ltd | 2−メチル−5−ニトロベンゼンスルフォン酸及びそのソーダ塩の製造方法 |
CH692246A5 (de) * | 1996-12-13 | 2002-04-15 | Basf Ag | Verfahren zur Herstellung von Aminsalzen von 4-Nitrotoluol-2-sulfonsäure. |
US7025318B2 (en) * | 2001-03-19 | 2006-04-11 | Baxter International Inc. | Container support |
CN114031525B (zh) * | 2021-11-10 | 2023-07-28 | 武汉青江化工黄冈有限公司 | 一种利用动态管式反应器连续制备对硝基甲苯邻磺酸的方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1544998A (fr) * | 1966-11-21 | 1968-11-08 | Allied Chem | Procédé de sulfonation de composés aromatiques nitro-substitués dans le cycle, au moyen de trioxyde de soufre, et produit d'addition formé dans ce procédé |
CH478772A (de) * | 1967-03-09 | 1969-09-30 | Geigy Ag J R | Verfahren zur Herstellung von Nitroaromat-sulfonsäuren |
BE792103A (fr) * | 1971-12-01 | 1973-05-30 | Clayton Aniline Co Ltd | Nouveau procede de fabrication de l'acide dinitrostilbene disulfonique a l'echelle industrielle |
US3840591A (en) * | 1973-04-25 | 1974-10-08 | Ciba Geigy Corp | Process for the production of p-nitrotoluene-2-sulfonic acid |
-
1979
- 1979-04-26 DE DE19792916912 patent/DE2916912A1/de not_active Withdrawn
-
1980
- 1980-04-15 DE DE8080102014T patent/DE3064088D1/de not_active Expired
- 1980-04-15 EP EP80102014A patent/EP0018541B2/de not_active Expired - Lifetime
- 1980-04-23 JP JP5304680A patent/JPS55145661A/ja active Granted
- 1980-04-25 BR BR8002543A patent/BR8002543A/pt unknown
-
1982
- 1982-04-20 US US06/370,216 patent/US4382039A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0018541B2 (de) | 1991-04-10 |
DE2916912A1 (de) | 1980-11-06 |
US4382039A (en) | 1983-05-03 |
DE3064088D1 (en) | 1983-08-18 |
JPS6340184B2 (pt) | 1988-08-10 |
EP0018541B1 (de) | 1983-07-13 |
JPS55145661A (en) | 1980-11-13 |
EP0018541A1 (de) | 1980-11-12 |
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