Product Introduction:
Product Name: Homosalate
Homosalate CAS Number: 118-56-9
Homosalate Molecular Formula: C16H22O3
Molecular Weight: 262.34 g/mol
Chemical Structure: Formed by the esterification of salicylic acid and 3,3,5-trimethylcyclohexanol.
Homosalate Chemical Structural Formula:
Appearance: Colorless to pale yellow transparent liquid
Identification: IR <197f>: IR spectrum matches that of the reference standard
Specific gravity (25°C): 1.049–1.053
Refractive index (20°C): 1.516–1.519
Acid value (mg KOH/g): 1 max
Specific absorbance (E%, 1cm, 305 ± 5 nm, methanol): 170 min
Assay (GC): 90.0%–110.0%
Purity (GC): 98.0% min
Impurities (GC): 3,3,5-Trimethylcyclohexanol: 0.15% max
Methyl salicylate: 0.10% max
Individual impurity: 0.5% max
Total impurities: 2.0% max
Methylparaben (HPLC): 10 ppm max
UV absorption curve:
Highassay’s Homosalate Features:
• Good formulation compatibility
• Excellent solvent for solid sunscreen agents
• Auxiliary UVB absorber for high-SPF formulations
• Suitable for sun care, body and facial care, and color cosmetics
• Maximum usage level: 10% (CN, JP), 7.34% (EU), 15% (US, AUS)
