IE43417L - Process for preparing iminodiacetonitrile - Google Patents
Process for preparing iminodiacetonitrileInfo
- Publication number
- IE43417L IE43417L IE761846A IE184676A IE43417L IE 43417 L IE43417 L IE 43417L IE 761846 A IE761846 A IE 761846A IE 184676 A IE184676 A IE 184676A IE 43417 L IE43417 L IE 43417L
- Authority
- IE
- Ireland
- Prior art keywords
- iminodiacetonitrile
- hcn
- solution
- formaldehyde
- admixed
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
PROCESS FOR PREPARING IMINODIACETONITRILE Iminodiacetonitrile is prepared by a process comprising: (a) forming an aqueous reaction mixture by admixing water, hexamethylenetetramine, formaldehyde, and HCN; and (b) forming iminodiacetonitrile by passing the aqueous reaction mixture through a continuous reaction zone while maintaining the temperature within the continuous reaction zone at 50-250.degree.C. The resulting iminodiacetonitrile can be recovered or it can be hydrolyzed to form an alkali metal salt of iminodiacetic acid which can be recovered or converted to iminodiacetic acid which can be recovered. In other embodiments: (a) the hexamethylenetetramine solution and the formaldehyde solution can be combined before being admixed with the HCN; or (b) the formaldehyde solution and the HCN can be admixed with a stabilizing acid to form an acid stabilized aqueous solution of formaldehyde and HCN before being admixed with the hexamethylenetetramine solution in the reaction zone in which iminodiacetonitrile is formed.
[CA1061800A]
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/611,369 US3988360A (en) | 1973-11-15 | 1975-09-08 | Process for preparing iminodiacetonitrile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE43417L true IE43417L (en) | 1977-03-08 |
| IE43417B1 IE43417B1 (en) | 1981-02-25 |
Family
ID=24448748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE1846/76A IE43417B1 (en) | 1975-09-08 | 1976-08-19 | Process for preparing iminodiacetonitrile |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS6010023B2 (en) |
| BE (1) | BE845867A (en) |
| CA (1) | CA1061800A (en) |
| DE (1) | DE2639874C2 (en) |
| FR (1) | FR2322858A1 (en) |
| GB (1) | GB1561144A (en) |
| IE (1) | IE43417B1 (en) |
| IT (1) | IT1065479B (en) |
| NL (1) | NL7609714A (en) |
| SE (1) | SE441266B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101627005A (en) * | 2007-03-01 | 2010-01-13 | 巴斯夫欧洲公司 | Method for producing aminonitriles |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1275593A (en) * | 1960-12-02 | 1961-11-10 | Degussa | Process for producing the imino-diacetic nitrile |
| US3167580A (en) * | 1962-04-12 | 1965-01-26 | American Cyanamid Co | Process for the preparation of iminodiacetonitrile |
| US3412137A (en) * | 1965-10-14 | 1968-11-19 | Geigy Chemical Company | Process for the preparation of nitriles |
| US3886198A (en) * | 1973-12-13 | 1975-05-27 | Grace W R & Co | Process for preparing iminodiacetonitrile |
-
1976
- 1976-03-23 CA CA248,577A patent/CA1061800A/en not_active Expired
- 1976-08-19 IE IE1846/76A patent/IE43417B1/en unknown
- 1976-09-01 NL NL7609714A patent/NL7609714A/en not_active Application Discontinuation
- 1976-09-03 BE BE170368A patent/BE845867A/en not_active IP Right Cessation
- 1976-09-04 DE DE2639874A patent/DE2639874C2/en not_active Expired
- 1976-09-06 IT IT26915/76A patent/IT1065479B/en active
- 1976-09-06 SE SE7609835A patent/SE441266B/en unknown
- 1976-09-07 JP JP51106336A patent/JPS6010023B2/en not_active Expired
- 1976-09-07 FR FR7626920A patent/FR2322858A1/en active Granted
- 1976-09-08 GB GB37231/76A patent/GB1561144A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2639874C2 (en) | 1985-06-05 |
| IE43417B1 (en) | 1981-02-25 |
| FR2322858B1 (en) | 1981-04-30 |
| SE7609835L (en) | 1977-03-09 |
| GB1561144A (en) | 1980-02-13 |
| JPS6010023B2 (en) | 1985-03-14 |
| NL7609714A (en) | 1977-03-10 |
| FR2322858A1 (en) | 1977-04-01 |
| SE441266B (en) | 1985-09-23 |
| BE845867A (en) | 1976-12-31 |
| JPS5233621A (en) | 1977-03-14 |
| DE2639874A1 (en) | 1977-03-17 |
| IT1065479B (en) | 1985-02-25 |
| CA1061800A (en) | 1979-09-04 |
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