Molecular formula :
nature : also known as benzo pyrimidine. By pyrimidine 5,6-benzene-and the nuclear fused heterocyclic compounds. With faint aroma of a colorless solid. The temperature 48.5 ° C; The boiling point of 243 ° C. Soluble in water and ethanol, acetone and other organic solvents. Quinazolin is weak base, pKa3.51 form picrate (melting point of 188 ~ 190 ° C). And the reaction of methyl iodide, to be iodized 3-methyl-quinazolin salt (melting point of 125 ~ 127 ° C). Case Base changes for the corresponding quarter of ammonium alkali (melting point of 163 ~ 165 ° C). Nitrification be 6-nitro - quinazolin (melting point 174 ~ 175 ° C). From o-Benzyl Diformamide with dilute acetic acid and zinc powder reduction in the system. Reagents for Organic Synthesis.
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