2H-1-Benzopyran-2-one, 4,7-dimethyl-5-hydroxy-

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Names

[ CAS No. ]:
6335-27-9

[ Name ]:
2H-1-Benzopyran-2-one, 4,7-dimethyl-5-hydroxy-

[Synonym ]:
4,7-dimethyl-5-hydroxy-2H-1-benzopyran-2-one
Coumarin,4,7-dimethyl-5-hydroxy
4,7-dimethyl-5-hydroxycoumarin
5-hydroxy-4,7-dimethyl-2H-chromen-2-one
5-hydroxy-4,7-dimethylcoumarin
5-hydroxy-4,7-dimethyl-6-nitrosocoumarin
5-hydroxy-4,7-dimethyl-2H-1-benzopyran-2-one
2H-1-Benzopyran-2-one,4,7-dimethyl-5-hydroxy

Chemical & Physical Properties

[ Density]:
1.269g/cm3

[ Boiling Point ]:
371.3ºC at 760 mmHg

[ Molecular Formula ]:
C11H10O3

[ Molecular Weight ]:
190.19500

[ Flash Point ]:
167.2ºC

[ Exact Mass ]:
190.06300

[ PSA ]:
50.44000

[ LogP ]:
2.11540

[ Index of Refraction ]:
1.599

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
GN6705000
CHEMICAL NAME :
Coumarin, 4,7-dimethyl-5-hydroxy-
CAS REGISTRY NUMBER :
6335-27-9
BEILSTEIN REFERENCE NO. :
0163053
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C11-H10-O3

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>3200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
MPHEAE Medicina et Pharmacologia Experimentalis. (Basel, Switzerland) V.12-17, 1965-67. For publisher information, see PHMGBN. Volume(issue)/page/year: 17,497,1967

Safety Information

[ HS Code ]:
2932209090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Orcinol
  • Ethyl acetoacetate
  • Methyl acetoacetate
  • Phloroglucinol
  • Ethanone,1-(2,4-dihydroxy-6-methylphenyl)-
  • 5-hydroxy-4,7-dimethyl-2-oxo-2H-chromene-6-carboxylic acid
  • Methyl 2,4-dihydroxy-6-methylbenzoate
  • 5-hydroxy-4,7-dimethyl-2-oxo-2H-chromene-6-carboxylic acid methyl ester
  • Ethyl orsellinate
  • Phosphoric acid

DownStream

  • 5-methoxy-4,7-dimethylchromen-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

  • 3-benzyl-4,7-dimethyl-5-phenacyloxychromen-2-one
  • 3-benzyl-4,7-dimethyl-5-[2-(4-methylphenyl)-2-oxoethoxy]chromen-2-one
  • 3-benzyl-4,7-dimethyl-5-(1-oxo-1-phenylpropan-2-yl)oxychromen-2-one
  • 2H-1-Benzopyran-2-one,4,7-dimethyl-
  • 3-Hexyl-5-hydroxy-4,7-dimethyl-2H-chromen-2-one
  • 3-benzyl-5-hydroxy-4,7-dimethyl-2H-chromen-2-one