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 | ||
Urolithin A is a natural metabolite of ellagitannins found in pomegranates and nuts.
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