Basic

CAS No.	4562-27-0;51953-17-4;51953-18-5
Product Name	4-Pyrimidone
Synonyms	4-Oxopyrimidine; 4-Oxypyrimidine; 4-Pyrimidinone; 6-Hydroxypyrimidine; AI3-52024; Deaminoisocytosine; NSC 1575; NSC 157911; 1H-Pyrimidin-4-one; 4(1H)-Pyrimidinone; 4(3H)-Pyrimidinone; pyrimidin-4(3H)-one; 4-Hydroxypyrimidine; pyrimidin-4-ol; 4-Pyrimidinol; 3H-pyrimidin-4-one; 4(3h)-pyrimidone; pyrimidin-4(5H)-one; 3,4-dihydropyrimidin-4-one
Molecular Formula	C4H4N2O
Molecular Weight	96.0874

Physical property

Density	1.288g/cm3
Melting point	163-165℃
Boiling point	184.65°C at 760 mmHg
Flash point	65.475°C
Refractive index	1.596

Hazard Symbols	Xi:Irritant;
Risk Codes	R36/37/38:;
Safety Description	S22:Do not inhale dust.; S24/25:Avoid contact with skin and eyes.;