2H-1-Benzopyran-2-one,4,7-dimethyl-

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Names

[ CAS No. ]:
14002-90-5

[ Name ]:
2H-1-Benzopyran-2-one,4,7-dimethyl-

[Synonym ]:
4,7-dimethyl-coumarin
4,7-dimethyl-chromen-2-one
4,7-Dimethyl-cumarin
7,4-dimethylcoumarin
4,7-dimethyl-2H-chromen-2-one

Chemical & Physical Properties

[ Density]:
1.15g/cm3

[ Boiling Point ]:
314.3ºC at 760mmHg

[ Molecular Formula ]:
C11H10O2

[ Molecular Weight ]:
174.19600

[ Flash Point ]:
129ºC

[ Exact Mass ]:
174.06800

[ PSA ]:
30.21000

[ LogP ]:
2.40980

[ Vapour Pressure ]:
0.00047mmHg at 25°C

[ Index of Refraction ]:
1.564

Safety Information

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R22

[ Safety Phrases ]:
45-53-99

[ HS Code ]:
2932209090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Ethyl acetoacetate
  • m-Cresol
  • 5-methyl-2-prop-1-en-2-ylphenol
  • carbon monoxide
  • 2,2,6-Trimethyl-4H-1,3-dioxin-4-one
  • Methyl acetoacetate
  • 2'-Hydroxy-4'-methylacetophenone
  • Citric Acid
  • acetoacetic acid m-tolyl ester
  • 3-Methylanisole

DownStream

  • 2-Hydroxy-4-methylbenzoic acid
  • 2H-1-Benzopyran-2-one,3,4-dihydro-4,7-dimethyl-
  • Thymol
  • 5-methyl-2-prop-1-en-2-ylphenol
  • 3-Methylphenol acetate
  • 5-methyl-2-(prop-1-en-2-yl)phenyl acetate
  • 1-(2-HYDROXYPHENYL)PROPAN-1-ONEOXIME
  • (7-methyl-2-oxochromen-4-yl)methyl acetate
  • 2-methyl-2-(5-methyl-2-prop-1-en-2-ylphenoxy)propanoic acid
  • 7-(bromomethyl)-4-methylchromen-2-one

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

  • 2H-1-Benzopyran-2-one,4,7-dimethyl-5-hydroxy
  • 2H-1-Benzopyran-2-one,4,7-dimethyl-6-hydroxy-3-propyl
  • 2H-1-Benzopyran-2-one,4,7-dimethyl-6-[(phenylmethylene)amino]
  • 4,7-dimethyl-3-(4-methyl-2-pyridylaminomethyl)-2H-1-benzopyran-2-one
  • 3-benzyl-4,7-dimethyl-5-phenacyloxychromen-2-one
  • 3-benzyl-4,7-dimethyl-5-[2-(4-methylphenyl)-2-oxoethoxy]chromen-2-one
  • Sodium 3-fluoro-4-(propane-2-sulfonamido)benzene-1-sulfinate
  • Sodium 3-[(2-methoxyethanesulfonyl)methyl]benzene-1-sulfinate
  • Sodium 5-[2-(3-methylbutanamido)ethyl]thiophene-2-sulfinate
  • Sodium 2-(2-nitrophenyl)ethane-1-sulfinate
  • 3-(2,3,3-Trimethylbutan-2-yl)thiophene-2-carboxylic acid
  • 5-Bromo-3-(oxan-3-yl)thiophene-2-carboxylic acid
  • sodium 4-(ethoxycarbonyl)-1-methyl-1H-pyrazole-5-sulfinate
  • Methyl 2-{[(4,4-difluorocyclohexyl)methyl]amino}butanoate
  • N-[(2-bromo-5-nitrophenyl)methyl]-N,1-dimethylpiperidin-4-amine
  • 5-Formyl-3-(4-methylpentan-2-yl)thiophene-2-carboxylic acid
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