Mfsorb® 502
Classification:
Summary Brief:
Key words: Mfsorb® 502Inorganic sunscreenultravioletabsorber
Product introduction:
Appearance: White or light yellow crystalline powder
Identification:
A. IR (Infrared Spectroscopy): The IR spectrum of the sample is consistent with that of the reference standard (IR<197k>).
B. UV (Ultraviolet Spectroscopy): The absorbance coefficient at 360 nm differs by no more than 3.0% from that of the reference standard (UV<197u>).
Assay (GC): 95.0%~105.0%
Loss on Drying: 0.5% max
Melting Point: 81°C~86°C
Specific Absorption Coefficient (E1%, 1cm, 357nm): 1100.0 ~ 1180.0
Impurities (GC):
- Individual impurities: 3.0% max
- Total impurities: 4.5% max
Molecular Formula: C20H22O3
Chemical Structure:

UV Absorption Spectrum:

Product Features:
• An efficient UVA absorber
• When combined with high-efficiency UVB sunscreens, it provides broad-spectrum protection and effectively increases SPF
• Max concentration: 3% (US, CA), 5% (EU, AUS, KR), 10% (JP)
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