ChemIndex - A free chemical CAS databaseToocle Global|ChemNet Global|ChemNet China|China Chemical Network|ChemNet Korea

Chemindex > 491-31-6

491-31-6 1H-2-Benzopyran-1-one

Chemical Name 1H-2-Benzopyran-1-one
Synonyms 3,4-Benzo-2-pyrone;Isocoumarin;Benzoic acid, 2-(2-hydroxyethenyl)-, delta-lactone;1H-isochromen-1-one
Molecular Formula C9H6O2
Molecular Weight 146.1427
InChl InChI=1/C9H6O2/c10-9-8-4-2-1-3-7(8)5-6-11-9/h1-6H
CAS Registry Number 491-31-6
Molecular Structure 491-31-6  1H-2-Benzopyran-1-one
Density 1.248g/cm3
Boiling Point 262.1°C at 760 mmHg
Refractive Index 1.594
Flash Point 103.5°C
Vapour Pressur 0.0111mmHg at 25°C
MSDS Material Safety Data Sheet

  • If you plan to source chemicals from China, just go to ChemNet mall, we will get the latest and competitive price from China manufacturers for you. Please visit

    ChemNet Mall

    Suppliers for 491-31-6 (0):

    if you are a supplier of 1H-2-Benzopyran-1-one, and want to be listed here, feel free to contact us.