4H-pyran-4-one

Names

[ CAS No. ]:
108-97-4

[ Name ]:
4H-pyran-4-one

[Synonym ]:
EINECS 203-634-8
4H-PYRAN-4-ONE
pyran-4-one
MFCD00006576

Chemical & Physical Properties

[ Density]:
1.192 g/cm3

[ Boiling Point ]:
210-215ºC(lit.)

[ Melting Point ]:
32-34ºC(lit.)

[ Molecular Formula ]:
C₅H₄O₂

[ Molecular Weight ]:
96.08410

[ Flash Point ]:
214 °F

[ Exact Mass ]:
96.02110

[ PSA ]:
30.21000

[ LogP ]:
0.63980

[ Vapour Pressure ]:
0.173mmHg at 25°C

[ Index of Refraction ]:
1.507

[ Storage condition ]:
2-8°C

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
Xi

[ Safety Phrases ]:
S22-S24/25

[ WGK Germany ]:
3

[ HS Code ]:
2932999099

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2932999099

[ Summary ]:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%