RO91437B1 - Process for obtaining hydrazodicarboxamide - Google Patents
Process for obtaining hydrazodicarboxamideInfo
- Publication number
- RO91437B1 RO91437B1 RO117714A RO11771485A RO91437B1 RO 91437 B1 RO91437 B1 RO 91437B1 RO 117714 A RO117714 A RO 117714A RO 11771485 A RO11771485 A RO 11771485A RO 91437 B1 RO91437 B1 RO 91437B1
- Authority
- RO
- Romania
- Prior art keywords
- hydrazodicarboxamide
- hydrazine
- obtaining
- reactants
- yielding
- Prior art date
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Inventia se refera la un procedeu de obtinere a hidrazodicarboxamidei prin reactia ureei cu monoclorhidratul de hidrazina sau diclorhidratul de hidrazina, în prezenta sau absenta de hidroxizi alcalini cum sînt hidroxidul de sodiu si hidroxidul de potasiu, ca atare sau luati în amestec, lucrînd în mediu apos, la anumite rapoarte molare între reactanti, la timp de contact determinat, la temperaturi cuprinse între 100 si 130 degree C, obtinînd randamente cuprinse între 70 si 90%, raportate la clorhidrat de hidrazina.The invention relates to a process for the preparation of hydrazodicarboxamide by reacting urea with hydrazine monohydrochloride or hydrazine dihydrochloride in the presence or absence of alkali hydroxides such as sodium hydroxide and potassium hydroxide as such or mixed in an aqueous medium , at certain molar ratios between the reactants, at defined contact time, at temperatures between 100 and 130 degrees C, yielding between 70 and 90% yields relative to hydrazine hydrochloride.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RO117714A RO91437B1 (en) | 1985-02-21 | 1985-02-21 | Process for obtaining hydrazodicarboxamide |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RO117714A RO91437B1 (en) | 1985-02-21 | 1985-02-21 | Process for obtaining hydrazodicarboxamide |
Publications (2)
Publication Number | Publication Date |
---|---|
RO91437A2 RO91437A2 (en) | 1987-03-30 |
RO91437B1 true RO91437B1 (en) | 1987-03-31 |
Family
ID=20116605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RO117714A RO91437B1 (en) | 1985-02-21 | 1985-02-21 | Process for obtaining hydrazodicarboxamide |
Country Status (1)
Country | Link |
---|---|
RO (1) | RO91437B1 (en) |
-
1985
- 1985-02-21 RO RO117714A patent/RO91437B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
RO91437A2 (en) | 1987-03-30 |
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