Pyrimidine(CAS#289-95-2)

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°CBoiling Point: 123-124°C density: 1.016g/mL at 25°C
Use	Used as raw materials for pharmaceutical intermediates, photosensitizers, etc

Product Detail

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