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Octyl 4-methoxycinnamate (CAS No 5466-77-3), or ethylhexyl methoxycinnamate (INCI) or octinoxate (USAN), trade names Eusolex 2292 and Uvinul MC80, is an organic compound that is an ingredient in some sunscreens and lip balms. It is an ester formed from methoxycinnamic acid and (RS)-2-ethylhexanol. It is a clear liquid that is insoluble in water.
Appearance Colorless or yellow liquid
Specific gravity 1.005-1.013
Refractive index 1.542-1.548
Peroxide value ≤1.0 ppm
Color (Hazen) ≤70
A 1%/1cm (310nm in ethanol) ≤850
Individual impurity ≤0.5%
Total impurities ≤2%
1)As an oil-soluble UV-B filter in sun-care and cosmetic preparations. it is one of the most tested and most widely used UV-B filters. It is ideal for use in sun-care and skin-care products for everyday protection. It is suitable for the formulation of protective hair-care products.
2) To make sunscreen (cream, milk, liquid), and other skin care cosmetics, can effectively absorb the ultraviolet ray in sunshine, prevent the skin bask in red, ink, sunburn, and light dermatitis of drug treatment.In industry can be used as plastics, printing ink anti-aging agent and ultraviolet absorbent.
Stored in dry and cool place.