Methyl 3-bromo-2-oxo-2H-pyran-5-carboxylate
Names
[ CAS No. ]:
42933-07-3
[ Name ]:
Methyl 3-bromo-2-oxo-2H-pyran-5-carboxylate
[Synonym ]:
methyl 3-bromo-2-oxo-2H-pyran-5-carboxylate
3-bromo-coumalic acid methyl ester
5-Brom-6-oxo-6H-pyran-3-carbonsaeure-methylester
3-bromo methyl coumalate
methyl 3-bromocoumalate
methyl 3-bromo-2-oxopyran-5-carboxylate
5-bromo-6-oxo-6H-pyran-3-carboxylic acid methyl ester
3-Brom-cumalin-carbonsaeure-(5)-methylester
Chemical & Physical Properties
[ Density]:
1.8±0.1 g/cm3
[ Boiling Point ]:
285.4±40.0 °C at 760 mmHg
[ Molecular Formula ]:
C7H5BrO4
[ Molecular Weight ]:
233.016
[ Flash Point ]:
126.4±27.3 °C
[ Exact Mass ]:
231.937119
[ PSA ]:
56.51000
[ LogP ]:
-0.30
[ Vapour Pressure ]:
0.0±0.6 mmHg at 25°C
[ Index of Refraction ]:
1.579
[ Storage condition ]:
2-8°C
Safety Information
[ Hazard Codes ]:
Xi
[ HS Code ]:
2932209090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2932209090
[ Summary ]:
2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%