PRODUCT Properties
| Melting point: | 20 to 22 °C (68 to 72 °F; 293 to 295 K) |
| Boiling point: | 123 to 124 °C (253 to 255 °F; 396 to 397 K) |
| Density | 1.016 g cm−3 |
| refractive index | n 20/D 1.504 (lit.) |
| Flash point: | 34 °C |
| storage temp. | Flammables area |
| solubility | soluble |
| form | powder to lump to clear liquid |
| pka | 1.23(at 20℃) |
| color | White or Colorless to Light yellow |
| Water Solubility | soluble |
| Sensitive | Hygroscopic |
| Merck | 14,7987 |
| BRN | 103894 |
| Henry's Law Constant | 1.0×101 mol/(m3Pa) at 25℃, Hilal et al. (2008) |
| Stability: | Stable, but air-sensitive and hygroscopic. Incompatible with acids, acid chlorides, acid anhydrides, strong oxidizing agents, carbon dioxide. Flammable. |
| InChI | 1S/C4H4N2/c1-2-5-4-6-3-1/h1-4H |
| InChIKey | CZPWVGJYEJSRLH-UHFFFAOYSA-N |
| SMILES | c1cncnc1 |
| CAS DataBase Reference | 289-95-2(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,3-Diazine(289-95-2) |
| EPA Substance Registry System | Pyrimidine (289-95-2) |
Description and Uses
Pyrimidine is used as building block in chemical synthesis. Product Data Sheet
Safety
| Symbol(GHS) | ![]() GHS02 |
| Signal word | Warning |
| Hazard statements | H226 |
| Precautionary statements | P210-P233-P240-P241-P242-P243 |
| PPE | Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter |
| Risk Statements | 10 |
| Safety Statements | 23-24/25-16 |
| RIDADR | UN 1993 3/PG 3 |
| WGK Germany | 3 |
| RTECS | UV6263000 |
| TSCA | TSCA listed |
| HazardClass | 3 |
| PackingGroup | III |
| HS Code | 29335990 |
| Storage Class | 3 - Flammable liquids |
| Hazard Classifications | Eye Dam. 1 Flam. Liq. 3 |
| REACH Registrations | Active |





