Product Introduction:
Product Name: Ethylhexyl Methoxycinnamate
Synonyms: 2-Ethylhexyl p-methoxycinnamate / EHMC / Octinoxate / Octyl Methoxycinnamate / OMC
Ethylhexyl Methoxycinnamate CAS Number: 5466-77-3
Ethylhexyl Methoxycinnamate Molecular Formula: C18H26O3
Molecular Weight: 290.40 g/mol
Application: Sunscreen agent used in cosmetics such as sunscreens and lip balms.
Ethylhexyl Methoxycinnamate Chemical Structural Formula：
Appearance: Colorless to pale yellow transparent liquid
Odor: Faint, characteristic odor
Solubility: Insoluble in water; soluble in organic solvents such as ethanol and vegetable oils; good oil solubility
Identification: A. IR <197f>: IR spectrum of the sample matches that of the reference standard
B. GC: Retention time of the sample’s main peak matches that of the reference standard
Specific gravity (25°C): 1.005–1.013
Refractive index (20°C): 1.542–1.548
Acidity (0.1 mol/L NaOH): 0.8 mL max
Specific absorbance (E1%, 1 cm, 310 nm, in ethanol): 850 min
Color (Hazen): 70 max
Peroxide value: 1.0 mg/kg max
Assay (GC): 95.0%–105.0%
Purity (GC): 98.0% min
Impurities (GC): Individual impurity: 0.5% max
Total impurities: 2.0% max
UV absorption curve:
Highassay’s Ethylhexyl Methoxycinnamate Features:
• Highly efficient UVB absorber; ideal for water-resistant sunscreen formulations
• Excellent solvent for solid organic sunscreens
• Suitable for use in sun care, body and facial care, and color cosmetics
• Maximum usage levels: 7.5% (US, CA); 10% (EU, CN, AUS); 20% (JP); 7.5% (KR)
