Bisoctrizole CAS 103597-45-1

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CAS:103597-45-1

Molecular Formula:C41H50N6O2

Molecular Weight:658.87

EINECS:403-800-1

Bisoctrizole, also known as Tinosorb M, UV Absorber 360, or UV-360, is a high-efficiency broad-spectrum UV filter widely used in premium sunscreen and daily-care formulations. With excellent UVA and UVB coverage (280–400 nm), superior photo-stability, and ultra-low skin penetration, Bisoctrizole (CAS 103597-45-1) has become one of the safest and most reliable UV filters in modern cosmetic science.

Its hybrid organic–inorganic UV protection mechanism makes it ideal for long-lasting and high-SPF products that require stable, non-irritating, and high-performance UV defense.

UV absorbent UV-360 has the characteristics of oil resistance, color resistance, low volatilization and good compatibility with polymers. UV absorber UV-360 is a kind of benzotriazole ultraviolet absorber with excellent properties. Ultraviolet absorber is a kind of organic compounds which can selectively and strongly absorb the ultraviolet rays of sunlight which are harmful to the polymer and have high light resistance.

Item	Specification
Melting point	197-199 °C(lit.)
Boiling point	771.6±70.0 °C
Density	d20 1.2
Vapor pressure	0Pa at 25℃
Flash point	>200°C
LogP	4.2 at 20℃
Acidity coefficient (pKa)	7.62±0.50(Predicted)