ES2181642T3 - Procedimiento para la preparacion de dicianamiduro de sodio. - Google Patents

Procedimiento para la preparacion de dicianamiduro de sodio.

Info

Publication number
ES2181642T3
ES2181642T3 ES00905024T ES00905024T ES2181642T3 ES 2181642 T3 ES2181642 T3 ES 2181642T3 ES 00905024 T ES00905024 T ES 00905024T ES 00905024 T ES00905024 T ES 00905024T ES 2181642 T3 ES2181642 T3 ES 2181642T3
Authority
ES
Spain
Prior art keywords
sodium
preparation
dicianamidide
procedure
solution
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.)
Expired - Lifetime
Application number
ES00905024T
Other languages
English (en)
Inventor
Franz Thalhammer
Helmut Tautz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Degussa GmbH filed Critical Degussa GmbH
Application granted granted Critical
Publication of ES2181642T3 publication Critical patent/ES2181642T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C3/00—Cyanogen; Compounds thereof
    • C01C3/16—Cyanamide; Salts thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Procedimiento para la preparación de dicianamiduro de sodio, caracterizado porque se hace reaccionar cianamida en solución acuosa al mismo tiempo con una solución de hidróxido de sodio y cloruro de cianógeno a unas temperaturas de 40 a 100°C y a un valor del pH de 7, 0 a 10, 0.
ES00905024T 1999-02-06 2000-02-04 Procedimiento para la preparacion de dicianamiduro de sodio. Expired - Lifetime ES2181642T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19904877A DE19904877A1 (de) 1999-02-06 1999-02-06 Verfahren zur Herstellung von Natrium-Dicyanamid

Publications (1)

Publication Number Publication Date
ES2181642T3 true ES2181642T3 (es) 2003-03-01

Family

ID=7896650

Family Applications (1)

Application Number Title Priority Date Filing Date
ES00905024T Expired - Lifetime ES2181642T3 (es) 1999-02-06 2000-02-04 Procedimiento para la preparacion de dicianamiduro de sodio.

Country Status (7)

Country Link
US (1) US6911559B1 (es)
EP (1) EP1154955B1 (es)
AT (1) ATE223866T1 (es)
DE (2) DE19904877A1 (es)
DK (1) DK1154955T3 (es)
ES (1) ES2181642T3 (es)
WO (1) WO2000046151A1 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2744517Y (zh) * 2004-07-16 2005-12-07 王良 标记工具
RU2521583C2 (ru) * 2012-10-19 2014-06-27 Федеральное государственное казённое военное образовательное учреждение высшего профессионального образования "Военная академия войск радиационной, химической и биологической защиты и инженерных войск имени маршала Советского Союза С.К. Тимошенко" Способ очистки дицианамида натрия-сырца
CN107759494B (zh) * 2017-10-27 2020-07-21 上海奥萝拉医药科技有限公司 一种双氰胺钠的连续制备方法
CN113563232B (zh) * 2021-07-29 2023-01-17 河北诚信集团有限公司 一种从双氰胺钠副产母液中回收双氰胺钠的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2562869A (en) * 1950-05-13 1951-07-31 American Cyanamid Co Calcium dicyanamide and process for the preparation thereof
US3052517A (en) * 1961-02-16 1962-09-04 American Cyanamid Co Novel preparation of alkali metal dicyanamides
US3279885A (en) * 1963-07-18 1966-10-18 Standard Oil Co Process of preparing ammonium dicyanamide
GB1218470A (en) * 1968-12-03 1971-01-06 Nilok Chemicals Inc Preparation of dicyanamides
CA956081A (en) * 1971-04-13 1974-10-15 Frederic C. Schaefer Process for manufacturing sodium dicyanamide
JPH0725539B2 (ja) * 1986-06-03 1995-03-22 株式会社クラレ ジシアナミド金属塩の製造方法
JP2550569B2 (ja) * 1987-04-14 1996-11-06 三菱瓦斯化学株式会社 ソジウムジシアナミドの製造方法

Also Published As

Publication number Publication date
EP1154955A1 (de) 2001-11-21
ATE223866T1 (de) 2002-09-15
WO2000046151A1 (de) 2000-08-10
DE50000487D1 (de) 2002-10-17
DE19904877A1 (de) 2000-08-10
EP1154955B1 (de) 2002-09-11
US6911559B1 (en) 2005-06-28
DK1154955T3 (da) 2003-01-20

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