5,7-Dihydroxy-4-methylcoumarin

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Names

[ CAS No. ]:
2107-76-8

[ Name ]:
5,7-Dihydroxy-4-methylcoumarin

[Synonym ]:
4-Methyl-5,7-dihydroxycoumarin
5,7-Dihydroxy-4-methyl-2H-1-benzopyran-2-one
2H-1-Benzopyran-2-one, 5,7-dihydroxy-4-methyl-
5,7-Dihydroxy-4-methyl-2H-chromen-2-one
5,7-dihydroxy-4-methyl-chromen-2-one
EINECS 218-289-9
MFCD00016966
5,7-dihydroxy-4-methyl-2H-2-chromenone
4-Methyllimetol
5,7-DIHYDROXY-4-METHYLCOUMARIN

Chemical & Physical Properties

[ Density]:
1.5±0.1 g/cm3

[ Boiling Point ]:
472.1±14.0 °C at 760 mmHg

[ Melting Point ]:
296-299 °C(lit.)

[ Molecular Formula ]:
C10H8O4

[ Molecular Weight ]:
192.168

[ Flash Point ]:
197.9±13.6 °C

[ Exact Mass ]:
192.042252

[ PSA ]:
70.67000

[ LogP ]:
2.58

[ Vapour Pressure ]:
0.0±1.2 mmHg at 25°C

[ Index of Refraction ]:
1.652

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
Xi:Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36

[ WGK Germany ]:
3

[ HS Code ]:
2932209090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Phloroglucinol
  • Methyl acetoacetate
  • Ethyl acetoacetate
  • Ethyl 2-butynoate
  • 2,2,6-Trimethyl-4H-1,3-dioxin-4-one
  • Resorcine
  • methyl (Z)-3-hydroxybut-2-enoate
  • 5-Methoxy-7-hydroxycoumarin
  • 5,7-Dihydroxycoumarin
  • Dimethyl sulfoxide

DownStream

  • 5,7-diethoxy-4-methylchromen-2-one
  • 6-acetyl-5,7-dihydroxy-4-methylchromen-2-one
  • 6,8-diacetyl-5,7-hydroxy-4-methylcouumarin
  • (5-acetyloxy-4-methyl-2-oxochromen-7-yl) acetate
  • 5,7-dimethoxy-2-oxochromene-4-carbaldehyde
  • 4-methyl-5,7-bis(prop-2-enoxy)chromen-2-one
  • (4-methyl-5-methylsulfonyloxy-2-oxochromen-7-yl) methanesulfonate

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 7-DIHYDROXY-4-PHENYLCOUMARIN
  • 5,7-dihydroxy-4-(2-hydroxyphenyl)chromen-2-one
  • 5,7-dihydroxy-4-phenyl-3,4-dihydrochromen-2-one
  • 5,7-dihydroxy-4-imino-2-oxochroman
  • 5 7-DIHYDROXY-4-PROPYLCOUMARIN
  • 5,7-dihydroxy-4-pentylchromen-2-one
  • (6-Methyl-4-nitropyridin-2-YL)methanamine
  • 2-Formyl-6-(trifluoromethyl)isonicotinic acid
  • 4-Chloro-6-formylpyridine-2-carbonitrile
  • 6-Acetyl-4-chloropyridine-2-carbonitrile
  • 5-(2,2,2-Trifluoroethyl)nicotinic acid
  • 2-(2,2,2-Trifluoroethyl)isonicotinic acid
  • 6-(2,2,2-Trifluoroethyl)picolinic acid
  • 1-Chloro-4-(difluoromethyl)-2-nitrobenzene
  • 2-Chloro-5,6-dihydrobenzo[h]quinazolin-4-amine
  • 2-(6-Chloro-4-(trifluoromethyl)pyridin-2-yl)ethan-1-amine
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