3,3-Diphenyl-3H-naphtho[2,1-b]pyran
- CAS NO.：4222-20-2
- Empirical Formula: C25H18O
- Molecular Weight: 334.41
- MDL number: MFCD00369541
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 04:25:37
![3,3-Diphenyl-3H-naphtho[2,1-b]pyran Structural](https://img.chemicalbook.in/CAS/GIF/4222-20-2.gif)
What is 3,3-Diphenyl-3H-naphtho[2,1-b]pyran?
The Uses of 3,3-Diphenyl-3H-naphtho[2,1-b]pyran
3,3-Diphenyl-3H-benzo[f]chromene is a useful research chemical compound used in the preparation and photochromism of naphthopyrans, pyranoquinolines, pyranoquinazolines, and pyranoquinoxalines.
Properties of 3,3-Diphenyl-3H-naphtho[2,1-b]pyran
| Melting point: | 160°C |
| Boiling point: | 511.1±50.0 °C(Predicted) |
| Density | 1.187±0.06 g/cm3(Predicted) |
| storage temp. | Sealed in dry,Room Temperature |
| form | powder to crystal |
| color | White to Light yellow |
| EPA Substance Registry System | 3H-Naphtho[2,1-b]pyran, 3,3-diphenyl- (4222-20-2) |
Safety information for 3,3-Diphenyl-3H-naphtho[2,1-b]pyran
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P273:Avoid release to the environment. P391:Collect spillage. Hazardous to the aquatic environment P501:Dispose of contents/container to..… |
Computed Descriptors for 3,3-Diphenyl-3H-naphtho[2,1-b]pyran
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