Name | Pyrimidine |
Synonyms | Miazine m-Diazine NSC 89305 Pyrimidine 1,3-Diazine Metadiazine 1,3-Diazabenzene |
CAS | 289-95-2 25247-63-6 |
EINECS | 206-026-0 |
InChI | InChI=1/C4H4N2/c1-2-5-4-6-3-1/h1-4H |
Molecular Formula | C4H4N2 |
Molar Mass | 80.09 |
Density | 1.055g/cm3 |
Melting Point | 20-22℃ |
Boling Point | 122.4°C at 760 mmHg |
Flash Point | 31.1°C |
Water Solubility | soluble |
Vapor Presure | 16.8mmHg at 25°C |
Appearance | Form Liquid, color Clear colorless to orange |
pKa | 1.23(at 20℃) |
Storage Condition | Flammables area |
Stability | Stable, but air-sensitive and hygroscopic. Incompatible with acids, acid chlorides, acid anhydrides, strong oxidizing agents, carbon dioxide. Flammable. |
Sensitive | Easily absorbing moisture |
Refractive Index | 1.503 |
MDL | MFCD00006059 |
Physical and Chemical Properties | Melting Point: 19-22°C Boiling Point: 123-124°C density: 1.016g/mL at 25°C |
Use | Used as raw materials for pharmaceutical intermediates, photosensitizers, etc |
Risk Codes | R10 - Flammable |
Safety Description | S16 - Keep away from sources of ignition. S23 - Do not breathe vapour. S24/25 - Avoid contact with skin and eyes. |
UN IDs | UN 1993 |
WGK Germany | 3 |
RTECS | UV6263000 |
TSCA | Yes |
HS Code | 29335990 |
Hazard Class | 3 |
Packing Group | III |
Raw Materials | P-XYLENE-D10 |
Downstream Products | 4-Aminopyrimidine PYRIMIDIN-4-YL-METHANOL |