3,4-dimethylumbelliferone

Names

[ Name ]:
3,4-dimethylumbelliferone

[Synonym ]:
7-Hydroxy-3,4-dimethyl-chromen-2-one
3,4-Dimethyl-7-hydroxycoumarin
7-hydroxy-3,4-dimethyl-2H-chromen-2-one
3,4-dimethyl-7-hydroxy-2H-1-benzopyran-2-one
7-hydroxy-3,4-dimethyl-coumarin
MFCD00037511
7-hydroxy-3,4-dimethyl-2H-1-benzopyran-2-one
3,4-Dimethylumbelliferone

Chemical & Physical Properties

[ Density]:
1.255 g/cm3

[ Boiling Point ]:
377.1ºC at 760 mmHg

[ Molecular Formula ]:
C₁₁H₁₀O₃

[ Molecular Weight ]:
190.19500

[ Flash Point ]:
170.2ºC

[ Exact Mass ]:
190.06300

[ PSA ]:
50.44000

[ LogP ]:
2.11540

[ Vapour Pressure ]:
3.19E-06mmHg at 25°C

[ Index of Refraction ]:
1.589

[ Water Solubility ]:
alcohols: soluble

Safety Information

[ Risk Phrases ]:
22-24/25

[ Safety Phrases ]:
S22-S24/25

[ WGK Germany ]:
3

[ HS Code ]:
2932209090

Synthetic Route

Click to get detail 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%