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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Reference substances

Reference substances

Currently viewing:
IUPAC name:
3,4-dihydro-2H-1-benzopyran-2-one

Inventory

EC number:
204-354-9
EC name:
3,4-dihydrocoumarin
CAS number:
119-84-6
CAS number:
119-84-6
Synonyms
Names:
2H-1-Benzopyran-2-one, 3,4-dihydro-
Benzodihydropyrone
dihydrocoumarin
hydrocoumarin
melilotic lactone
melilotol
Identifier:
IUPAC name
3,4-dihydro-2H-1-benzopyran-2-one
Identifier:
IUPAC name
chroman-2-one
Identifier:
other: InChl
InChI=1/C9H8O2/c10-9-6-5-7-3-1-2-4-8(7)11-9/h1-4H,5-6H2
Identifier:
other: SMILES notation
O=C1CCc2ccccc2O1
3,4-dihydrochromen-2-one

Molecular and structural information

Molecular formula:
C9H8O2
Molecular weight:
148.16
SMILES notation:
C1CC(=O)OC2=CC=CC=C21
InChl:
InChI=1S/C9H8O2/c10-9-6-5-7-3-1-2-4-8(7)11-9/h1-4H,5-6H2
Structural formula:
Chemical structure

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