1,4-bis (2-methylstyryl) benzene
Structural formula | |||||||||||||||||||
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General | |||||||||||||||||||
Surname | 1,4-bis (2-methylstyryl) benzene | ||||||||||||||||||
other names |
To-MSB |
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Molecular formula | C 24 H 22 | ||||||||||||||||||
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properties | |||||||||||||||||||
Molar mass | 310.43 g mol −1 | ||||||||||||||||||
Physical state |
firmly |
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Melting point |
180-182 ° C |
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safety instructions | |||||||||||||||||||
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As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
1,4-bis (2-methylstyryl) benzene or bis-MSB is a wavelength shifter . It is added to organic scintillators in order to shift their emission spectrum into the visible range. The emission maximum is 420 nm, the decay time is 1.2 ns, which is slightly shorter than for POPOP .
Individual evidence
- ↑ a b c data sheet 1,4-bis (2-methylstyryl) benzene from Sigma-Aldrich , accessed on October 17, 2016 ( PDF ).
literature
- Konrad Kleinknecht : Detectors for particle radiation . Teubner Verlag, Stuttgart 1984. ISBN 3-519-03058-6 .