Basic

CAS No.	71-30-7
Product Name	Cytosine
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
Molecular Formula	C4H5N3O
Molecular Weight	111.102

Physical property

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 Description	S26:; S36:;