4-Chromanone low price 491-37-2 buy 4-Chromanone
名称 :4-氯酮
English name :4-Chromanone
CAS :491-37-2
MDL :MFCD00006840
EINECS :207-736-3
molecular weight :148.16
molecular formula :C9H8O2
Melting point: 34-40 ºC
Boiling point: 127-128 ºC (13 mmHg)
Refractive index: 1.575
Flash point: 110 ºC
Loss an drying: 0.5% max
Residue on ignition: 0.1% max
Iron: 10ppm max
Heavy metals: 3ppm max
Arsenic: 1ppm max
Chloride: 50ppm max
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