El bemotrizinol es un absorbente UV de amplio espectro que se añade a los protectores solares para absorber los rayos UV. Es un compuesto orgánico soluble en aceite que puede utilizarse en la UE y China.
Test | Specifications | Results | Conclusion |
Appearance | Light yellow powder | Light yellow to yellow | Conforms |
Identity | Infrared Absorption: The infrared Spectrum of the sample should be consistent with the reference substance | The infrared Spectrum of the sample is consistent with the reference substance | Conforms |
UV absorption:meet a requirement | meet a requirement | Conforms | |
nm (Max UV absorption wavelength )nm | NO.01(at 337.0nm~343.0nm) | 341 | Conforms |
NO.02(at 307.0nm~313.0nm | 310 | Conforms | |
(absorption coefficient) | Max UV.abs. for NO.1≥790 | 996 | Conforms |
Max UV abs for NO.2.≥720 | 901 | Conforms | |
Loss on drying | NMT0.5 | 0.08 | Conforms |
Assay %(HPLC) | NLT98.0 | 99.78 | Conforms |
Total impurities | NMT2.0 | 0.22 | Conforms |
Esidual solvent (GC)THF | Measured value | 4.40ppm | Conforms |
Conforms | This product meets the above indicator requirements |
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