- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 3,3-Diphenyl-3H-benzo[f]chromene
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 3,3-Diphenyl-3H-benzo[f]chromene
- Price: ￥1588.0/5g
- Purity: 98.0%
- Stocking Period: 3 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 3,3-Diphenyl-3H-naphtho[2,1-b]pyran
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
4222-20-2
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: 2025-08-25 19:18:55
| 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 |
|
~98%
4222-20-2 |
| Literature: Transitions Optical, Inc. Patent: US5466398 A1, 1995 ; |
|
~%
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 |
|
~%
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 |
|
~%
4222-20-2 |
| Literature: Maafi; Brown International Journal of Chemical Kinetics, 2006 , vol. 38, # 7 p. 421 - 430 |
|
~%
4222-20-2 |
| Literature: Livingstone et al. Journal of the Chemical Society, 1958 , p. 2422 |
|
~%
4222-20-2 |
| Literature: Guo, Kunpeng; Chen, Yi Journal of Materials Chemistry, 2010 , vol. 20, # 20 p. 4193 - 4197 |
|
~%
4222-20-2 |
| Literature: Maafi; Brown International Journal of Chemical Kinetics, 2005 , vol. 37, # 12 p. 717 - 727 |
|
~%
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% |