Photoinitiator EHA / Omnirad EHA / SpeedCure EHA / CAS 21245-02-3

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Key Uses

• UV Absorber in Sunscreens: EHA is a widely used UV absorber in sunscreen products. It effectively absorbs UVB radiation, helping to protect the skin from sunburn and long-term sun damage.
• Photoinitiator: EHA is also used as a photoinitiator in UV curing applications, such as inks, coatings, and adhesives. It initiates polymerization reactions when exposed to UV light, enabling rapid curing.
• Cosmetics: Besides sunscreens, EHA is found in various cosmetic formulations, including lotions, creams, and makeup, to provide UV protection.

Key Characteristics

• UV Absorption: EHA exhibits strong absorption in the UVB region of the ultraviolet spectrum.
• Photoinitiation: It can efficiently initiate free radical polymerization reactions under UV irradiation.
• Solubility: EHA is soluble in many organic solvents, making it easy to formulate into various products.
Stability: It is relatively stable under normal storage conditions.