9,10-Bis(phenylethynyl)anthracene
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| 9,10-Bis(phenylethynyl)anthracene | |
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| Systematic name | 9,10-Bis(phenylethynyl)anthracene |
| Chemical formula | C30H18 |
| Molecular mass | xx.xx g/mol |
| Density | x.xxx g/cm³ |
| Melting point | 252-258 °C |
| Boiling point | xx.x °C |
| CAS number | [10075-85-1] |
| SMILES | c23c(C#Cc5ccccc5) c1ccccc1c (C#Cc4ccccc4) c2cccc3 |
| Disclaimer and references | |
9,10-Bis(phenylethynyl)anthracene (BPEA) is an aromatic hydrocarbon displaying strong fluorescence. It is used as a chemiluminescent fluorophore with high quantum efficiency. Its chemical formula is C30H18. It has the form of orange needle crystals with melting point of 252-258 °C.
It is used in lightsticks as a fluorophor producing glostly green light. It is also used as a dopant for organic semiconductors in OLEDs.
Its CAS number is [10075-85-1] [1] and its SMILES structure is c23c(C#Cc5ccccc5) c1ccccc1c (C#Cc4ccccc4) c2cccc3. Its risk and safety phrases are R36/37/38 S26 S36 S37/39 S45 S28A.
The emission wavelength can be lowered by substituting the anthracene core by halogens or alkyls. 2-ethyl and 1,2-dimethyl substituted BPEAs are also in use.
- 1-chloro-9,10-bis(phenylethynyl)anthracene emits yellow-green light, used in 30-minute high-intensity Cyalume sticks
- 2-chloro-9,10-bis(phenylethynyl)anthracene emits green light, used in 12-hour low-intensity Cyalume sticks
