2H-1-Benzopyran, 2,2-diphenyl-

Modify Date: 2025-08-26 10:41:13

2H-1-Benzopyran, 2,2-diphenyl- Structure
2H-1-Benzopyran, 2,2-diphenyl- structure
Common Name 2H-1-Benzopyran, 2,2-diphenyl-
CAS Number 4222-08-6 Molecular Weight 284.35100
Density 1.149g/cm3 Boiling Point 428.4ºC at 760 mmHg
Molecular Formula C21H16O Melting Point N/A
MSDS N/A Flash Point 212.3ºC

 Names

Name 2,2-diphenylchromene
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.149g/cm3
Boiling Point 428.4ºC at 760 mmHg
Molecular Formula C21H16O
Molecular Weight 284.35100
Flash Point 212.3ºC
Exact Mass 284.12000
PSA 9.23000
LogP 5.03600
Index of Refraction 1.633
InChIKey IOZRRXQDBILMFX-UHFFFAOYSA-N
SMILES C1=CC(c2ccccc2)(c2ccccc2)Oc2ccccc21

 Safety Information

HS Code 2902909090

 Synthetic Route

~80%

2H-1-Benzopyran, 2,2-diphenyl- Structure

2H-1-Benzopyran...

CAS#:4222-08-6

Literature: Zhang, Tiexin; Huang, Xian; Wu, Luling European Journal of Organic Chemistry, 2012 , # 18 p. 3507 - 3519

~%

2H-1-Benzopyran, 2,2-diphenyl- Structure

2H-1-Benzopyran...

CAS#:4222-08-6

Literature: Barnes et al. Tetrahedron, 1963 , vol. 19, p. 839,844

~%

2H-1-Benzopyran, 2,2-diphenyl- Structure

2H-1-Benzopyran...

CAS#:4222-08-6

Literature: Kodama, Yoichi; Nakabayashi, Takakazu; Segawa, Katsunori; Hattori, Emi; Sakuragl, Masako; Nlshi, Nobuyuki; Sakuragi, Hirochika Journal of Physical Chemistry A, 2000 , vol. 104, # 49 p. 11478 - 11485

 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%

 Synonyms

2,2-Diphenyl-2H-benzopyran
2H-1-Benzopyran,2,2-diphenyl
2,2-diphenylbenzopyran
2,2-diphenyl-2H-1-benzopyran
2,2-Diphenyl-2H-chromen
T0512-7372
2,2-diphenyl-2H-chromene
2,2-Diphenyl-chromen
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