5,7-Dihydroxy-4-methyl-2-benzofuran-1(3H)-one
Names
[ CAS No. ]:
27979-57-3
[ Name ]:
5,7-Dihydroxy-4-methyl-2-benzofuran-1(3H)-one
[Synonym ]:
5,7-dihydroxy-4-methyl-3H-isobenzofuran-1-one
5,7-dihydroxy-4-methylphthalide
4-Methyl-5,7-dihydroxyisobenzofuran-1(3H)-one
5,7-Dihydroxy-4-methyl-2-benzofuran-1(3H)-one
1(3H)-Isobenzofuranone,5,7-dihydroxy-4-methyl
1(3H)-Isobenzofuranone, 5,7-dihydroxy-4-methyl-
Chemical & Physical Properties
[ Density]:
1.5±0.1 g/cm3
[ Boiling Point ]:
486.0±44.0 °C at 760 mmHg
[ Molecular Formula ]:
C9H8O4
[ Molecular Weight ]:
180.157
[ Flash Point ]:
206.9±21.9 °C
[ Exact Mass ]:
180.042252
[ PSA ]:
66.76000
[ LogP ]:
1.17
[ Vapour Pressure ]:
0.0±1.3 mmHg at 25°C
[ Index of Refraction ]:
1.663
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%