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
  • 4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
  • 2-Phenyl-4-(4-(4-phenylthiazol-2-yl)phenyl)thiazole
  • 1H-Pyrazole-3-carboxamide, N-(3-amino-2-methyl-3-thioxopropyl)-1-methyl-
  • (4-Methyl-tetrahydro-furan-2-yl)-methanol
  • N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
  • (1-propyl-1H-1,2,4-triazol-5-yl)methanesulfonamide
  • 4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde