JPS5748949A - Preparation of ethylenediaminetetraacetic acid alkali metal salt - Google Patents
Preparation of ethylenediaminetetraacetic acid alkali metal saltInfo
- Publication number
- JPS5748949A JPS5748949A JP12403280A JP12403280A JPS5748949A JP S5748949 A JPS5748949 A JP S5748949A JP 12403280 A JP12403280 A JP 12403280A JP 12403280 A JP12403280 A JP 12403280A JP S5748949 A JPS5748949 A JP S5748949A
- Authority
- JP
- Japan
- Prior art keywords
- metal salt
- alkali metal
- edta
- ethylenediaminetetraacetic acid
- alkali
- 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.)
- Granted
Links
- 229910052783 alkali metal Inorganic materials 0.000 title abstract 5
- -1 ethylenediaminetetraacetic acid alkali metal salt Chemical class 0.000 title abstract 5
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 abstract 4
- 239000003513 alkali Substances 0.000 abstract 4
- 239000003518 caustics Substances 0.000 abstract 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 239000013078 crystal Substances 0.000 abstract 3
- 239000007864 aqueous solution Substances 0.000 abstract 2
- 238000005265 energy consumption Methods 0.000 abstract 2
- 239000000243 solution Substances 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000001376 precipitating effect Effects 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 235000011121 sodium hydroxide Nutrition 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12403280A JPS5748949A (en) | 1980-09-09 | 1980-09-09 | Preparation of ethylenediaminetetraacetic acid alkali metal salt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12403280A JPS5748949A (en) | 1980-09-09 | 1980-09-09 | Preparation of ethylenediaminetetraacetic acid alkali metal salt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5748949A true JPS5748949A (en) | 1982-03-20 |
| JPS6261022B2 JPS6261022B2 (enrdf_load_stackoverflow) | 1987-12-18 |
Family
ID=14875335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12403280A Granted JPS5748949A (en) | 1980-09-09 | 1980-09-09 | Preparation of ethylenediaminetetraacetic acid alkali metal salt |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5748949A (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999029656A1 (en) * | 1997-12-09 | 1999-06-17 | Tong Suh Petrochemical Corp., Ltd. | Method for producing highly pure tetrasodium salt of ethylenediaminetetraacetic acid |
| CN103159637A (zh) * | 2013-03-25 | 2013-06-19 | 国药集团化学试剂有限公司 | 一种提升工业乙二胺四乙酸二钠品质的方法 |
| EP3044202B1 (en) | 2013-09-13 | 2017-08-09 | Basf Se | Mixtures of enantiomers, and process for making such mixtures |
-
1980
- 1980-09-09 JP JP12403280A patent/JPS5748949A/ja active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999029656A1 (en) * | 1997-12-09 | 1999-06-17 | Tong Suh Petrochemical Corp., Ltd. | Method for producing highly pure tetrasodium salt of ethylenediaminetetraacetic acid |
| CN103159637A (zh) * | 2013-03-25 | 2013-06-19 | 国药集团化学试剂有限公司 | 一种提升工业乙二胺四乙酸二钠品质的方法 |
| EP3044202B1 (en) | 2013-09-13 | 2017-08-09 | Basf Se | Mixtures of enantiomers, and process for making such mixtures |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6261022B2 (enrdf_load_stackoverflow) | 1987-12-18 |
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