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4222-20-2

4222-20-2 structure
4222-20-2 structure
  • Name: 3,3-Diphenyl-3H-benzo[f]chromene
  • Chemical Name: 3,3-diphenylbenzo[f]chromene
  • CAS Number: 4222-20-2
  • Molecular Formula: C25H18O
  • Molecular Weight: 334.410
  • Create Date: 2018-12-29 12:50:33
  • Modify Date: 2024-01-02 18:42:49

Name 3,3-diphenylbenzo[f]chromene
Synonyms 3H-Naphtho[2,1-b]pyran, 3,3-diphenyl-
3,3-Diphenyl-3H-naphtho[2,1-b]pyran
3,3-Diphenyl-3H-benzo[f]chromene
3H-Naphtho(2,1-b)pyran, 3,3-diphenyl-
Density 1.2±0.1 g/cm3
Boiling Point 511.1±50.0 °C at 760 mmHg
Melting Point 160ºC
Molecular Formula C25H18O
Molecular Weight 334.410
Flash Point 265.1±25.8 °C
Exact Mass 334.135773
PSA 9.23000
LogP 6.89
Vapour Pressure 0.0±1.3 mmHg at 25°C
Index of Refraction 1.679
Risk Phrases R36/37/38
Safety Phrases 26-36/37/39
HS Code 2902909090

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4222-20-2 structure

4222-20-2

Literature: Transitions Optical, Inc. Patent: US5466398 A1, 1995 ;

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4222-20-2 structure

4222-20-2

Literature: Harie, Guenaelle; Samat, Andre; Guglielmetti, Robert; De Keukeleire, Denis; Saeyens, Wim; Van Parys, Inge Tetrahedron Letters, 1997 , vol. 38, # 17 p. 3075 - 3078

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4222-20-2 structure

4222-20-2

Literature: Blackwell, Catherine J.; Gabbutt, Christopher D.; Guthrie, James T.; Heron, B. Mark Dyes and Pigments, 2012 , vol. 95, # 2 p. 408 - 420

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4222-20-2 structure

4222-20-2

Literature: Maafi; Brown International Journal of Chemical Kinetics, 2006 , vol. 38, # 7 p. 421 - 430

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4222-20-2 structure

4222-20-2

Literature: Livingstone et al. Journal of the Chemical Society, 1958 , p. 2422

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4222-20-2 structure

4222-20-2

Literature: Guo, Kunpeng; Chen, Yi Journal of Materials Chemistry, 2010 , vol. 20, # 20 p. 4193 - 4197

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4222-20-2 structure

4222-20-2

Literature: Maafi; Brown International Journal of Chemical Kinetics, 2005 , vol. 37, # 12 p. 717 - 727

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4222-20-2 structure

4222-20-2

Literature: Maafi; Brown International Journal of Chemical Kinetics, 2005 , vol. 37, # 12 p. 717 - 727
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%