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4702-34-5

Name 3,4-dihydro-1H-2-benzopyran-1-one
CAS 4702-34-5
EINECS(EC#) 225-179-4
Molecular Formula C9H8O2
MDL Number MFCD00799232
Molecular Weight 148.159
MOL File 4702-34-5.mol
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Chemical Properties

Melting point  37-39 °C
Boiling point  160°C/11mmHg(lit.)
density  1.2030
refractive index  1.5640 to 1.5680
storage temp.  Sealed in dry,Room Temperature

Safety Data

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P304+P340+P312-P305+P351+P338-P332+P313-P337+P313-P362-P403+P233-P405-P501

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