5,6-DIHYDRO-4-METHOXY-2H-PYRAN

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Names

[ CAS No. ]:
17327-22-9

[ Name ]:
5,6-DIHYDRO-4-METHOXY-2H-PYRAN

[Synonym ]:
MFCD00006570
4-methoxy-3,6-dihydro-2H-pyran
EINECS 241-348-5
4-Methoxy-5,6-dihydropyran

Chemical & Physical Properties

[ Density]:
0.99g/cm3

[ Boiling Point ]:
160.7ºC at 760mmHg

[ Molecular Formula ]:
C6H10O2

[ Molecular Weight ]:
114.14200

[ Flash Point ]:
46.7ºC

[ Exact Mass ]:
114.06800

[ PSA ]:
18.46000

[ LogP ]:
0.93700

[ Vapour Pressure ]:
3.07mmHg at 25°C

[ Index of Refraction ]:
n20/D 1.462(lit.)

MSDS

Click to get detail MSDS

Safety Information

[ Risk Phrases ]:
10

[ Safety Phrases ]:
23-24/25

[ RIDADR ]:
UN 1993 3/PG 3

[ WGK Germany ]:
3

[ Packaging Group ]:
III

[ Hazard Class ]:
3.2

[ HS Code ]:
2932999099

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 4,4-dimethoxyoxane
  • Tetrahydro-2H-pyran-4-one

DownStream

  • 4,4-dimethoxytetrahydro-2H-pyran-3-ol
  • 3-Fluorotetrahydro-4H-pyran-4-one

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%