Octyl 4-methoxycinnamate CAS No 5466-77-3

Chemical Name 2-Ethylhexyl 4-methoxycinnamate（IUPAC：2-ethylhexyl (2E)-3-(4-methoxyphenyl)prop-2-enoate）

Chemical Synonyms Octinoxate; Octyl Methoxycinnamate; OMC; Parsol MCX; Uvinul MC 80; Escalol 557; Neo Heliopan AV

CAS No. 5466-77-3

Molecular Formula C₁₈H₂₆O₃

Molecular Weight 290.40 g/mol

Product properties

Pale yellow oily liquid, practically odorless. Oil-soluble; insoluble in water. Soluble in ethanol, propylene glycol, and isopropanol. Excellent UVB absorption with peak protection at 310 nm

Storage

Store in a closed container under dry, cool conditions (20–35 °C), away from direct heat and sunlight. Minimum shelf life: 2 years under proper storage

Packing

235 kg plastic drum / 200 kg drum (custom packaging available upon request)

Application

Primary UVB filter for sunscreens, daily care lotions, anti-aging formulations, and lip balms. Also functions as a photo-stabilizer to protect colors and fragrances in cosmetic systems. Approved for use in sun care preparations in many countries worldwide

Product Specification

Appearance: Pale yellow to colorless oily liquid

Assay (Purity): ≥ 99.0% (typically 99.5%)

Moisture: ≤ 0.5%

UV Absorption (E1%/1cm, methanol, 310 ± 2 nm): ≥ 835