HuagongsheHuagongshe Chemistry Print Report · For research reference only
Urea → Urea
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Urea | HCID 1176 | — |
| Reactant | Hydrazine | HCID 9321 | — |
| Solvent | Water | HCID 962 | — |
| Product | Urea | HCID 1176 | — |
| Product | Semicarbazide | HCID 5196 | — |
| Product | Hydrazine | HCID 9321 | — |
Reaction Steps
reacting an aqueous hydrazine solution with urea at a temperature from about 80° C. to about 130° C. and at a mole ratio of hydrazine to urea from about 0.9:1 to about 1.2:1 to form a reaction mixture comprising semicarbazide, water and alcohol-insoluble by-products;
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04482738 |
| Source dataset | uspto-grants-1984_11 |
| ORD ID | ord-2130f3e657844f7da9139f0926173e88 |
| Source note | uspto-grants-1984_11 |