178-10-9 3,3-spirobi[3H-naphtho[2,1-b]pyran]
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cas

178-10-9 3,3'-spirobi[3H-naphtho[2,1-b]pyran]

product Name 3,3'-spirobi[3H-naphtho[2,1-b]pyran]
Synonyms 3,3'-Spirobi(3H-naphtho(2,1-b)pyran); 3,3'-spirobi[benzo[f]chromene]
Molecular Formula C25H16O2
Molecular Weight 348.3933
InChI InChI=1/C25H16O2/c1-3-7-19-17(5-1)9-11-23-21(19)13-15-25(26-23)16-14-22-20-8-4-2-6-18(20)10-12-24(22)27-25/h1-16H
CAS Registry Number 178-10-9
EINECS 205-869-1
Molecular Structure 178-10-9 3,3'-spirobi[3H-naphtho[2,1-b]pyran]
Density 1.34g/cm3
Boiling point 593.5°C at 760 mmHg
Refractive index 1.78
Flash point 300.1°C
Vapour Pressur 1.98E-13mmHg at 25°C
Hazard Symbols
Risk Codes
Safety Description
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