RU2012144635A - METHOD FOR CLEANING SODIUM DIESIANAMIDE - Google Patents
METHOD FOR CLEANING SODIUM DIESIANAMIDE Download PDFInfo
- Publication number
- RU2012144635A RU2012144635A RU2012144635/05A RU2012144635A RU2012144635A RU 2012144635 A RU2012144635 A RU 2012144635A RU 2012144635/05 A RU2012144635/05 A RU 2012144635/05A RU 2012144635 A RU2012144635 A RU 2012144635A RU 2012144635 A RU2012144635 A RU 2012144635A
- Authority
- RU
- Russia
- Prior art keywords
- diesianamide
- sodium
- ammonium chloride
- cleaning sodium
- cleaning
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 title 1
- 238000004140 cleaning Methods 0.000 title 1
- 229910052708 sodium Inorganic materials 0.000 title 1
- 239000011734 sodium Substances 0.000 title 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims abstract 8
- 235000019270 ammonium chloride Nutrition 0.000 claims abstract 4
- 239000007864 aqueous solution Substances 0.000 claims abstract 2
- 239000012535 impurity Substances 0.000 claims abstract 2
- 238000000746 purification Methods 0.000 claims abstract 2
- ZVCDLGYNFYZZOK-UHFFFAOYSA-M sodium cyanate Chemical compound [Na]OC#N ZVCDLGYNFYZZOK-UHFFFAOYSA-M 0.000 claims abstract 2
- IXBPPZBJIFNGJJ-UHFFFAOYSA-N sodium;cyanoiminomethylideneazanide Chemical compound [Na+].N#C[N-]C#N IXBPPZBJIFNGJJ-UHFFFAOYSA-N 0.000 claims abstract 2
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Способ очистки дицианамида натрия-сырца, отличающийся тем, что процесс заключается в обработке продукта водным раствором хлорида аммония при эквимольном соотношении хлористый аммоний: цианат натрия (основная примесь).The method of purification of raw sodium dicyanamide, characterized in that the process consists in treating the product with an aqueous solution of ammonium chloride at an equimolar ratio of ammonium chloride: sodium cyanate (main impurity).
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2012144635/05A RU2521583C2 (en) | 2012-10-19 | 2012-10-19 | Method of purification of raw sodium dicyanamide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2012144635/05A RU2521583C2 (en) | 2012-10-19 | 2012-10-19 | Method of purification of raw sodium dicyanamide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2012144635A true RU2012144635A (en) | 2014-04-27 |
| RU2521583C2 RU2521583C2 (en) | 2014-06-27 |
Family
ID=50515211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2012144635/05A RU2521583C2 (en) | 2012-10-19 | 2012-10-19 | Method of purification of raw sodium dicyanamide |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2521583C2 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3052517A (en) * | 1961-02-16 | 1962-09-04 | American Cyanamid Co | Novel preparation of alkali metal dicyanamides |
| US3429658A (en) * | 1966-08-23 | 1969-02-25 | Nilok Chem Inc | Preparation of alkali metal dicyanamides |
| RU2051086C1 (en) * | 1992-04-13 | 1995-12-27 | Государственный институт технологии органического синтеза с опытным заводом | Method for production of sodium dicyan imide |
| DE19904877A1 (en) * | 1999-02-06 | 2000-08-10 | Sueddeutsche Kalkstickstoff | Process for the production of sodium dicyanamide |
-
2012
- 2012-10-19 RU RU2012144635/05A patent/RU2521583C2/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| RU2521583C2 (en) | 2014-06-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20151020 |