7-Hydroxy-3,4,8-trimethyl-2H-chromen-2-one

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Names

[ CAS No. ]:
91963-11-0

[ Name ]:
7-Hydroxy-3,4,8-trimethyl-2H-chromen-2-one

[Synonym ]:
MFCD00011569
7-hydroxy-3,4,8-trimethyl-chromen-2-one
7-Hydroxy-3,4,8-trimethylcoumarin
3,4,8-trimethylumbelliferone

Chemical & Physical Properties

[ Density]:
1.217g/cm3

[ Boiling Point ]:
378.1ºC at 760mmHg

[ Melting Point ]:
278-280ºC(lit.)

[ Molecular Formula ]:
C12H12O3

[ Molecular Weight ]:
204.22200

[ Flash Point ]:
167ºC

[ Exact Mass ]:
204.07900

[ PSA ]:
50.44000

[ LogP ]:
2.42380

[ Index of Refraction ]:
1.58

Safety Information

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
36/37/38

[ Safety Phrases ]:
26-37/39

[ HS Code ]:
2932209090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Ethyl 2-methylacetoacetate
  • 2-methylresorcinol

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

  • Morpholine, 4-[6-(1-hexyn-1-yl)-5-nitro-4-pyrimidinyl]-
  • N-(2,4-Dioxo-3-pyrrolidinyl)-I+/--methylbenzenepropanamide
  • N-(4,7-Difluoro-1-nitro-9-oxo-9H-fluoren-2-yl)acetamide
  • I+/--D-Mannopyranoside, phenylmethyl, cyclic 2,3-carbonate
  • 2,6-Octadienedioic acid, 4,5-dihydroxy-, (2E,4S,5R,6E)-
  • Benzene, 1-(4-methoxyphenoxy)-3,5-bis(trifluoromethyl)-
  • 2-[1-(3-Bromo-2-thienyl)ethylidene]hydrazinecarboxamide
  • (I+/-R)-2-(1-Piperazinylmethyl)-I+/--propylbenzenemethanamine
  • N-[(2-Hydroxy-1-methylethyl)sulfonyl]-N-phenylacetamide
  • I+/--[3-(3,4-Dimethylphenyl)-2-propyn-1-yl]benzenemethanol
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