1,3-Diphenylisobenzofuran
Synonym(s):1,3-Diphenyl-2-benzofuran;2,5-Diphenyl-3,4-benzofuran
- CAS NO.：5471-63-6
- Empirical Formula: C20H14O
- Molecular Weight: 270.32
- MDL number: MFCD00005931
- EINECS: 226-808-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-11 16:31:51
What is 1,3-Diphenylisobenzofuran?
Chemical properties
yellow to greenish needle-like crystalline solid
The Uses of 1,3-Diphenylisobenzofuran
1,3-Diphenylisobenzofuran(DPBF) was used as a fluorescent probe for detection of superoxide anion radical (O2?) inside the membrane lipid layer by DPBF fluorescence quenching method. 1,3-Diphenylisobenzofuran(DPBF) was used as quencher during the photoinactivation of TA-3 mouse mammary carcinoma cells containing hematoporphyrin. 1,3-Diphenylisobenzofuran(DPBF) was used to study the single crystal molecular structure and solution photophysical properties of DPBF.
General Description
1,3-Diphenylisobenzofuran is a fluorescent dye.1,3-Diphenylisobenzofuran is the model compound in studies of singlet fission.
Purification Methods
Recrystallise it from EtOH or EtOH/CHCl3 (1:1) under red light (as in photographic dark rooms) or from *benzene in the dark. [Beilstein 17/2 V 503.]
Properties of 1,3-Diphenylisobenzofuran
| Melting point: | 128-130 °C (lit.) |
| Boiling point: | 373.44°C (rough estimate) |
| Density | 1.0717 (rough estimate) |
| refractive index | 1.6700 (estimate) |
| storage temp. | Keep in dark place,Inert atmosphere,2-8°C |
| form | Crystalline Solid or Needles |
| color | Yellow to green |
| Water Solubility | Soluble in toluene. Insoluble in water. |
| Sensitive | Air & Light Sensitive |
| BRN | 199922 |
| CAS DataBase Reference | 5471-63-6(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,3 Diphenylisobenzofuran(5471-63-6) |
Safety information for 1,3-Diphenylisobenzofuran
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H332:Acute toxicity,inhalation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 1,3-Diphenylisobenzofuran
New Products
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