491-38-3, CAS No 491-38-3

491-38-3 chromone
Product Name	chromone
Synonyms	4H-benzo(b)pyran-4-one;4H-chromen-4-one
Molecular Formula	C₉H₆O₂
Molecular Weight	146.1427
InChl	InChI=1/C9H6O2/c10-8-5-6-11-9-4-2-1-3-7(8)9/h1-6H
CAS Registry Number	491-38-3
EINECS	207-737-9
Molecular Structure
Density	1.248g/cm³
Melting Point	55-60℃
Boiling Point	238.5°C at 760 mmHg
Refractive Index	1.594
Flash Point	106.5°C
Vapour Pressur	0.0422mmHg at 25°C

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