2H-1-Benzopyran-2-one,4-chloro-
Names
[ CAS No. ]:
17831-88-8
[ Name ]:
2H-1-Benzopyran-2-one,4-chloro-
[Synonym ]:
4-chloro-2H-benzopyran-2-one
4-chloro-2h-chromen-2-one
4-Chlor-cumarin
3-chlorocoumarin
4-Chlorocoumarin
4-Chloro-2H-1-benzopyran-2-one
Chemical & Physical Properties
[ Density]:
1.4g/cm3
[ Boiling Point ]:
315.8ºC at 760mmHg
[ Molecular Formula ]:
C9H5ClO2
[ Molecular Weight ]:
180.58800
[ Flash Point ]:
168ºC
[ Exact Mass ]:
179.99800
[ PSA ]:
30.21000
[ LogP ]:
2.44640
[ Vapour Pressure ]:
0.000428mmHg at 25°C
[ Index of Refraction ]:
1.618
Safety Information
[ 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%