16-beta Methyl Epoxide

Names

[ CAS No. ]:
981-34-0

[ Name ]:
16-beta Methyl Epoxide

[Synonym ]:
Pregna-1,4-diene-3,20-dione, 9,11-epoxy-17,21-dihydroxy-16-methyl-, (9β,11β,16β)-
DB11
Einecs 213-563-4
Betamethasone 9,11-Epoxide
16-betaMethylEpoxide
9beta,11beta-Epoxy-1
(9β,11β,16β)-17,21-Dihydroxy-16-methyl-9,11-epoxypregna-1,4-diene-3,20-dione
16-beta Methyl Epoxide

Chemical & Physical Properties

[ Density]:
1.3±0.1 g/cm3

[ Boiling Point ]:
564.9±50.0 °C at 760 mmHg

[ Melting Point ]:
210-220ºC

[ Molecular Formula ]:
C₂₂H₂₈O₅

[ Molecular Weight ]:
372.455

[ Flash Point ]:
198.1±23.6 °C

[ Exact Mass ]:
372.193665

[ PSA ]:
87.13000

[ LogP ]:
2.23

[ Vapour Pressure ]:
0.0±3.5 mmHg at 25°C

[ Index of Refraction ]:
1.616

[ Storage condition ]:
2-8°C

Safety Information

[ Hazard Codes ]:
Xi

[ HS Code ]:
2918990090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2918990090

[ Summary ]:
2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%