203-98-5 2H-pyrano[4,3,2-de]chromene
cas

203-98-5 2H-pyrano[4,3,2-de]chromene

product Name 2H-pyrano[4,3,2-de]chromene
Synonyms 2H-Pyrano(4,3,2-de)-1-benzopyran
Molecular Formula C11H8O2
Molecular Weight 172.18
InChI InChI=1/C11H8O2/c1-2-9-11-8(4-6-12-9)5-7-13-10(11)3-1/h1-6H,7H2
CAS Registry Number 203-98-5
Molecular Structure 203-98-5 2H-pyrano[4,3,2-de]chromene
Density 1.29g/cm3
Boiling point 351.9°C at 760 mmHg
Refractive index 1.656
Flash point 165.2°C
Vapour Pressur 8.06E-05mmHg at 25°C
Hazard Symbols
Risk Codes
Safety Description
1 2 3 4 5 6 7 8 9