Bemotrizinol is a broad-spectrum UV absorber that is added to sunscreen to absorb UV rays.
It is an oil-soluble organic compound that can be used in the EU and 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 | ||
Bemotrizinol absorbs UVB and UVA rays.
BMT stabilizes AVB and OMC compounds.
As a broad spectrum sunscreen absorber for UVA and UVB. It not only has high UV absorption and ability, but also can increase the SPF value of the formula.
Good photostability.
In addition, it helps prevent photodegradation of other sunscreen actives such as avobenzone.
Citric acid monohydrate is a colorless, translucent crystal or white powder, which is easily soluble in water and ethanol. It is odorless and tastes sour.
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