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

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 3-acetyl-4-(1-(methoxycarbonyl)ethyl)-2,5-dihydrofuran-2-one
  • 5,7-DIMETHOXY-4-METHYL-3H-ISOBENZOFURAN-1-ONE
  • 7-hydroxy-5-methoxy-4-methylphthalide

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%

Related Compounds

  • 5-Bromo-7-methylisobenzofuran-1(3H)-one
  • 5-Hydroxy-4-methylisobenzofuran-1(3H)-one
  • 4-Methyl-5-vinylisobenzofuran-1(3H)-one
  • 5-(2-hydroxy-1-methylethyl)-4-methyl-2-benzofuran-1(3H)-one
  • 4-METHYL-2-BENZOFURAN-1(3H)-ONE
  • 5-(2-hydroxyethyl)-6-methyl-2-benzofuran-1(3H)-one