Assay (HPLC)：≥99.0%
Loss on Drying：≤0.5%
Residue on Ignition：≤0.1%
Free Acid：Compliant
Heavy Metals：≤10 ppm
Moisture：≤0.3%
Appearance：Conforms to standard
Identification：IR / NMR compliant
Sunscreen raw material: Excellent UVB absorber with antioxidant and anti-photoaging effects, widely used in cosmetic and skincare sunscreen formulas. Pharmaceutical intermediate: Key raw material for synthesizing anti-allergy, anti-inflammatory and anti-tumor pharmaceutical compounds. Cosmetic additive: Inhibits melanin production, applied in whitening and spot-removing skincare products. Fragrance intermediate: Used for the synthesis of cinnamate derivatives and daily flavor essences. Organic synthesis building block: Applied in fine chemicals to prepare various substituted cinnamic acid derivatives. Sealed, cool, dry and dark storage; store at room temperature, keep away from high temperature and strong oxidants; avoid dust inhalation and skin contact. 
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