PL423698A1 - Method for producing salicylic acid with increased purity - Google Patents
Method for producing salicylic acid with increased purityInfo
- Publication number
- PL423698A1 PL423698A1 PL423698A PL42369817A PL423698A1 PL 423698 A1 PL423698 A1 PL 423698A1 PL 423698 A PL423698 A PL 423698A PL 42369817 A PL42369817 A PL 42369817A PL 423698 A1 PL423698 A1 PL 423698A1
- Authority
- PL
- Poland
- Prior art keywords
- salicylic acid
- acid
- salt
- salicylate
- neutralization reaction
- Prior art date
Links
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 title abstract 14
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 title abstract 5
- 229960004889 salicylic acid Drugs 0.000 title abstract 5
- 238000004519 manufacturing process Methods 0.000 title 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 3
- 238000006386 neutralization reaction Methods 0.000 abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical group N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical group Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- 150000003839 salts Chemical class 0.000 abstract 2
- UDKCHVLMFQVBAA-UHFFFAOYSA-M Choline salicylate Chemical group C[N+](C)(C)CCO.OC1=CC=CC=C1C([O-])=O UDKCHVLMFQVBAA-UHFFFAOYSA-M 0.000 abstract 1
- MQHWFIOJQSCFNM-UHFFFAOYSA-L Magnesium salicylate Chemical compound [Mg+2].OC1=CC=CC=C1C([O-])=O.OC1=CC=CC=C1C([O-])=O MQHWFIOJQSCFNM-UHFFFAOYSA-L 0.000 abstract 1
- ABBQHOQBGMUPJH-UHFFFAOYSA-M Sodium salicylate Chemical group [Na+].OC1=CC=CC=C1C([O-])=O ABBQHOQBGMUPJH-UHFFFAOYSA-M 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 239000012736 aqueous medium Substances 0.000 abstract 1
- 238000009835 boiling Methods 0.000 abstract 1
- 229960002688 choline salicylate Drugs 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 abstract 1
- 230000008025 crystallization Effects 0.000 abstract 1
- 238000004090 dissolution Methods 0.000 abstract 1
- 229940072082 magnesium salicylate Drugs 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 150000007522 mineralic acids Chemical class 0.000 abstract 1
- 150000007524 organic acids Chemical class 0.000 abstract 1
- FRMWBRPWYBNAFB-UHFFFAOYSA-M potassium salicylate Chemical compound [K+].OC1=CC=CC=C1C([O-])=O FRMWBRPWYBNAFB-UHFFFAOYSA-M 0.000 abstract 1
- 229960003629 potassium salicylate Drugs 0.000 abstract 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
- 229960004025 sodium salicylate Drugs 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Przedmiotem zgłoszenia jest sposób wytwarzania kwasu salicylowego o podwyższonej czystości polegający na reakcji zobojętnienia soli kwasu salicylowego charakteryzujący się tym, że sól kwasu salicylowego poddaje się reakcji zobojętnienia kwasem, w środowisku wodnym, po czym otrzymany kwas salicylowy rozpuszcza się w mieszaninie reakcyjnej, a po krystalizacji odsącza się go i przemywa. Korzystnie jest, gdy jako sól kwasu salicylowego stosuje się sól zawierającą metal. Korzystnie, gdy jest to salicylan sodu lub salicylan potasu lub salicylan magnezu. Korzystnie jest również, gdy jako sól kwasu salicylowego stosuje się sól zawierającą amoniak lub resztę aminową. Korzystnie, gdy jest to salicylan choliny. Korzystnie jest, gdy reakcję zobojętnienia prowadzi się przy użyciu kwasu nieorganicznego lub kwasu organicznego. Korzystnie, gdy jest to kwas solny lub kwas octowy. Rozpuszczanie otrzymanego kwasu salicylowego prowadzi się korzystnie w podwyższonej temperaturze, najlepiej w temperaturze wrzenia. Otrzymany kwas salicylowy korzystnie jest przemywać wodą.The subject of the application is a method of producing salicylic acid with increased purity consisting of a neutralization reaction of a salicylic acid salt characterized in that the salicylic acid salt is subjected to an acid neutralization reaction in an aqueous medium, after which the obtained salicylic acid dissolves in the reaction mixture and, after crystallization, is filtered off. wash and wash it. Preferably a metal-containing salt is used as the salicylic acid salt. Preferably it is sodium salicylate or potassium salicylate or magnesium salicylate. It is also preferred if a salt containing ammonia or an amino residue is used as the salicylic acid salt. Preferably it is choline salicylate. Preferably, the neutralization reaction is carried out using an inorganic acid or organic acid. Preferably it is hydrochloric acid or acetic acid. The dissolution of the salicylic acid obtained is preferably carried out at elevated temperature, preferably at boiling point. The resulting salicylic acid is preferably washed with water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL423698A PL423698A1 (en) | 2017-12-04 | 2017-12-04 | Method for producing salicylic acid with increased purity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL423698A PL423698A1 (en) | 2017-12-04 | 2017-12-04 | Method for producing salicylic acid with increased purity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL423698A1 true PL423698A1 (en) | 2019-06-17 |
Family
ID=66809652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL423698A PL423698A1 (en) | 2017-12-04 | 2017-12-04 | Method for producing salicylic acid with increased purity |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL423698A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB986867A (en) * | 1962-09-07 | 1965-03-24 | Dow Chemical Co | Method of preparing salicylic acid |
| US4137258A (en) * | 1978-04-07 | 1979-01-30 | The Dow Chemical Company | Process for making pure salicylic acid |
| JPS62106047A (en) * | 1985-10-29 | 1987-05-16 | ロ−ヌ−プ−ラン・スペシアリテ・シミ−ク | Separation and purification of salicylic acid |
| PL331398A1 (en) * | 1999-02-11 | 2000-08-14 | Inst Chemii Przemyslowej Im Pr | Method of purifying crude salicylic acid |
| CN105418402A (en) * | 2015-11-30 | 2016-03-23 | 山东新华制药股份有限公司 | Production technology of salicylic acid |
-
2017
- 2017-12-04 PL PL423698A patent/PL423698A1/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB986867A (en) * | 1962-09-07 | 1965-03-24 | Dow Chemical Co | Method of preparing salicylic acid |
| US4137258A (en) * | 1978-04-07 | 1979-01-30 | The Dow Chemical Company | Process for making pure salicylic acid |
| JPS62106047A (en) * | 1985-10-29 | 1987-05-16 | ロ−ヌ−プ−ラン・スペシアリテ・シミ−ク | Separation and purification of salicylic acid |
| PL331398A1 (en) * | 1999-02-11 | 2000-08-14 | Inst Chemii Przemyslowej Im Pr | Method of purifying crude salicylic acid |
| CN105418402A (en) * | 2015-11-30 | 2016-03-23 | 山东新华制药股份有限公司 | Production technology of salicylic acid |
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