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

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Names

[ CAS No. ]:
178-10-9

[ Name ]:
3,3'-spirobi[3H-naphtho[2,1-b]pyran]

[Synonym ]:
EINECS 205-869-1
3,3'-Spirobi<3H-naphtho<2,1-b>pyran>

Chemical & Physical Properties

[ Density]:
1.34g/cm3

[ Boiling Point ]:
593.5ºC at 760 mmHg

[ Molecular Formula ]:
C25H16O2

[ Molecular Weight ]:
348.39300

[ Flash Point ]:
300.1ºC

[ Exact Mass ]:
348.11500

[ PSA ]:
18.46000

[ LogP ]:
6.20070

[ Vapour Pressure ]:
1.98E-13mmHg at 25°C

[ Index of Refraction ]:
1.78

Safety Information

[ HS Code ]:
2902909090

Customs

[ HS Code ]: 2902909090

[ Summary ]:
2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Related Compounds

  • 2-methyl-3,3'-spirobi[3H-naphtho[2,1-b]pyran]
  • 3,3'-Spirobi[3H-naphtho[2,1-b]pyran],1,1',2,2'-tetrahydro
  • spiro[benzo[f]chromene-3,9'-fluorene]
  • 3-phenyl-3-[4-(3-phenylbenzo[f]chromen-3-yl)phenyl]benzo[f]chromene
  • methyl 7-(diethylamino)-2'-methylspiro[2H-1-benzopyran-2,3'-[3H]naphtho[2,1-b]pyran]-5'-carboxylate
  • N,N-diethyl-2'-methylspiro[2H-1-benzopyran-2,3'-[3H]naphtho[2,1-b]pyran]-7-amine