4-Methyl-7-trimethylsilyloxycoumarin
Names
[ CAS No. ]:
67909-31-3
[ Name ]:
4-Methyl-7-trimethylsilyloxycoumarin
[Synonym ]:
4-methyl-7-trimethylsilyloxychromen-2-one
Chemical & Physical Properties
[ Density]:
1.09g/cm3
[ Boiling Point ]:
317.5ºC at 760 mmHg
[ Molecular Formula ]:
C13H16O3Si
[ Molecular Weight ]:
248.35000
[ Flash Point ]:
121.2ºC
[ Exact Mass ]:
248.08700
[ PSA ]:
39.44000
[ LogP ]:
3.31510
[ Index of Refraction ]:
1.518
Safety Information
[ Risk Phrases ]:
R36/37/38
[ Safety Phrases ]:
26-36/37/39
[ HS Code ]:
2932209090
Synthetic Route
Customs
[ HS Code ]: 2932209090
[ Summary ]:
2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%