| Product Name | Cytosine |
| CAS No. | 71-30-7 |
| Synonyms | 4-Amino-2-hydroxypyrimidine; 4-Amino-2-oxo-1,2-dihydropyrimidine; 6-aminopyrimidin-2(1H)-one; 4-Amino-2(1H)-Pyrimidinone; Aurora Ka-682; 4-aminopyrimidin-2-ol |
| InChI | InChI=1/C4H5N3O/c5-3-1-2-6-4(8)7-3/h1-2H,(H3,5,6,7,8) |
| Molecular Formula | C4H5N3O |
| Molecular Weight | 111.102 |
| Density | 1.55g/cm3 |
| Melting point | 300℃ |
| Boiling point | 445.8°C at 760 mmHg |
| Flash point | 223.4°C |
| Water solubility | soluble |
| Refractive index | 1.688 |
| Hazard Symbols |  Xi:Irritant; |
| Risk Codes | R36/37/38:; |
| Safety | S26:; S36:; |
71-30-7 cytosine
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