Product Name

  • Name

    5-methylangelicin

  • EINECS
  • CAS No. 73459-03-7
  • Article Data2
  • CAS DataBase
  • Density 1.332g/cm3
  • Solubility
  • Melting Point
  • Formula C12H8 O3
  • Boiling Point 376.3°C at 760 mmHg
  • Molecular Weight 200.194
  • Flash Point 181.4°C
  • Transport Information
  • Appearance
  • Safety Questionable carcinogen. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating vapors.
  • Risk Codes
  • Molecular Structure Molecular Structure of 73459-03-7 (5-methylangelicin)
  • Hazard Symbols
  • Synonyms 5-Methylangelicin;5-Methylisopsoralen
  • PSA 43.35000
  • LogP 2.84760

4-Hydroxy-6-methyl-5-benzofuran-acrylic acid γ-lactone Chemical Properties

IUPAC Name: 5-Methylfuro[2,3-h]chromen-2-one
Synonyms of 4-Hydroxy-6-methyl-5-benzofuran-acrylic acid γ-lactone (CAS NO.73459-03-7) : 2H-Furo(2,3-h)-1-benzopyran-2-one, 5-methyl- ; 5-methyl-2H-furo[2,3-h]chromen-2-one ; 4-Hydroxy-6-methyl-5-benzofuranacrylic acid .gamma.-lactone ; 5-Methylangelicin
InChI:InChI=1/C12H8O3/c1-7-6-10-9(4-5-14-10)12-8(7)2-3-11(13)15-12/h2-6H,1H3
CAS NO:73459-03-7
Molecular Formula:C12H8O3                                                           
Molecular Weight :200.1901              
Molecular Structure :
EINECS: 204-102-8
Index of Refraction: 1.648   
Surface Tension: 52.2 dyne/cm 
Density: 1.332 g/cm3 
Flash Point: 181.4 °C 
Enthalpy of Vaporization: 62.39 kJ/mol 
Boiling Point: 376.3 °C at 760 mmHg 
Vapour Pressure: 7.32E-06 mmHg at 25°C

4-Hydroxy-6-methyl-5-benzofuran-acrylic acid γ-lactone Uses

 4-Hydroxy-6-methyl-5-benzofuran-acrylic acid γ-lactone (CAS NO.73459-03-7) is used as  intermediate in organic synthesis.

4-Hydroxy-6-methyl-5-benzofuran-acrylic acid γ-lactone Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral 2gm/kg (2000mg/kg)   United States Patent Document. Vol. 4312883,

4-Hydroxy-6-methyl-5-benzofuran-acrylic acid γ-lactone Consensus Reports

IARC Cancer Review: Animal Inadequate Evidence IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 40 , 1986,p. 291.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Human No Adequate Data IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 40 , 1986,p. 291.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) .

4-Hydroxy-6-methyl-5-benzofuran-acrylic acid γ-lactone Safety Profile

Questionable carcinogen. Mutation data reported. When 4-Hydroxy-6-methyl-5-benzofuran-acrylic acid γ-lactone (CAS NO.73459-03-7) is heated to decomposition, it emits acrid smoke and irritating vapors.

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