Product Introduction
Product Name: Etocrylene
Synonym: Etocrilene
CAS Number: 5232-99-5
Molecular Formula: C₁₈H₁₅NO₂
Molecular Weight: 277.32
Application: An ultraviolet (UV) absorber used to protect the skin from UV damage
Etocrylene Chemical Structural Formula

Appearance: White crystalline powder
Purity (HPLC): 99.0% min
Melting point: 96.0°C–98.0°C
Loss on drying: 0.5% max
K-value (303 nm): 46.0 min
Gardner color: 2.0 max
Turbidity: 10 NTU max
Solubility: Insoluble in water; readily soluble in organic solvents such as ethanol, chloroform, and acetone
Stability: Good stability against light and heat; resistant to hydrolysis
UV absorption: Primarily absorbs UVB (280–315 nm); high sun protection efficiency
Compatibility: Good compatibility with various sunscreen agents and cosmetic ingredients
UV absorption curve:

Highassay’s Etocrylene Features
• Excellent UV protection
• Good thermal stability

