PRODUCT Properties
| Melting point: | 173-175°C |
| Boiling point: | 191.38°C (rough estimate) |
| Density | 1.3662 (rough estimate) |
| refractive index | 1.4164 (estimate) |
| storage temp. | Hygroscopic, -20°C Freezer, Under inert atmosphere |
| solubility | DMSO (Slightly), Methanol (Slightly), Water (Slightly) |
| pka | pK1:1.8;pK2:8.2 (25°C) |
| form | Solid |
| color | White to Off-White |
| Stability: | Hygroscopic |
| CAS DataBase Reference | 141-83-3 |
| EPA Substance Registry System | Guanylurea (141-83-3) |
Description and Uses
Guanylurea is used for detecting and determining Ni and its separation from Co and other metals.
Safety
| Symbol(GHS) | ![]() GHS07 |
| Signal word | Warning |
| Hazard statements | H302-H319 |
| Precautionary statements | P305+P351+P338 |







