MPI Chemie

MPI Bright 100 (OB)

Chemical name: 2,5-thiophenediylbis(5-tert-butyl-1,3-benzoxazole)
CAS number: 7128-64-5
EC number: 230-426-4
Molecular weight: 430
Molecular formula:



Item Standard Test method
Appearance Yellowish powder Visual observation
Melting point 201 - 205°C Melting point detector
Ash content Max. 0.2% Ignition temperature
Volatile content Max. 0.5% Rapid moisture analyzer
Particle size 200 mesh Particle size distribution measurement
Assay (HPLC) Min. 99% High-performance liquid chromatography
Clarity of solution Clear solution Visual observation.
Penetration effect (450nm) Min. 93% Spectrophotometer
Penetration effect (500nm) Min. 95% Spectrophotometer
Max. wavelength  375nm. Spectrophotometer


Drums of 25kg nett. Pallets of max 375kg nett


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