3,4-Dihydroquinazolin-2(1H)-one

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Names

[ CAS No. ]:
66655-67-2

[ Name ]:
3,4-Dihydroquinazolin-2(1H)-one

[Synonym ]:
Dihydroquinazolinone
3,4-Dihydroquinazolin-2(1H)-one
1,2,3,4-tetrahydro-quinazolin-2-on
3,4-Dihydro-2(1H)-quinazolinone
2(1H)-Quinazolinone, 3,4-dihydro-

Chemical & Physical Properties

[ Density]:
1.2±0.1 g/cm3

[ Boiling Point ]:
257.2±33.0 °C at 760 mmHg

[ Melting Point ]:
241-242ºC

[ Molecular Formula ]:
C8H8N2O

[ Molecular Weight ]:
148.162

[ Flash Point ]:
119.7±25.5 °C

[ Exact Mass ]:
148.063660

[ PSA ]:
44.62000

[ LogP ]:
0.86

[ Vapour Pressure ]:
0.0±0.5 mmHg at 25°C

[ Index of Refraction ]:
1.565

Safety Information

[ Hazard Codes ]:
Xi

[ HS Code ]:
2933990090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • carbon monoxide
  • 2-AMINOBENZYLAMINE
  • 4-selenoxo-3,4-dihydroquinazolin-2(1H)-one
  • Carbon dioxide
  • Ethyl carbonate
  • S,S'-Dimethyl dithiocarbonate
  • (2-Aminobenzyl)carbamic acid tert-butyl ester
  • phosgene

DownStream

Customs

[ HS Code ]: 2933990090

[ Summary ]:
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 3-ethyl-3,4-dihydroquinazolin-2(1H)-one
  • 7-bromo-3,4-dihydroquinazolin-2(1H)-one
  • 6-Bromo-3,4-dihydroquinazolin-2(1H)-one
  • 3-methyl-3,4-dihydroquinazolin-2(1H)-one
  • 4-Methyl-3,4-dihydroquinazolin-2(1H)-one
  • 4-phenyl-3,4-dihydroquinazolin-2(1H)-one