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Octinoxate

Octyl methoxycinnamate 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 2-ethylhexanol. It is a liquid that is insoluble in water.

It is primarily used in sunscreens and other cosmetics to absorb UV-B rays from the sun, protecting the skin from damage. It is also used to reduce the appearance of scars.

Application:

Octinoxate is a strong UVB absorber. It is an oil soluble, colorless, virtually odorless liquid,which remains a liquid at temperatures as low as -10℃  and can be easily incorporated in the oil phase of a sunscreen formulation. OMC boosts the SPF when used in combination with other UV filters. It is ideal for the formulationof water-resistant sunscreen products. OMC is an excellent solubilizer for crystalline UV absorbers, such as AVB, Diethylhexyl Butamido Triazone, Diethylamino Hydroxybenzoyl Hexyl Benzoate and Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine.

Octinoxate can be used as an antiaging agent and UV absorber for plastics and inks in industry.

 

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CAS No.: 5466-77-3
Molecular Formula: C18H26O3
Molecular Weight: 290.40
EINECS No.: 226-775-7
Density:1.01 g/cm3
Melting point: −25 °C
Boiling point:198 to 200 °C

Octinoxate Specification

Test items Specification
Appearance Pale yellow liquid
Hazen 70 max
Odour Slight characteristic
Identity(IR) USP<197F> Matches reference spectrum
identity(Retention time) USP<621> Matches reference

retention time
(E1%1cm,310nm,ethanol)/UV Specific

extinction(E1% 1cm,310nm, ethanol) USP<197U>

 850 min
Specific gravity(25℃)USP<841> 1.005-1.013
Refractive index(20℃)USP<831> 1.542-1.548
Peroxide value(%) 1.0 max
Acidity (0.1N NaOH)(USP) 0.8 max
 

Chromatographic

purity GC USP<621>

 Purity (%) 99.0 min
Each impurity (% 0.5 max
Total impurities(%) 2.0 max
Assay(%) USP<621> 95.0-105.0

Packaging:
25kg/drum or 200L/drum or according to customer’s requirement.

Storage:
Keep under dry and cool place, Keeping away from goods that can affect the quality of the goods, against damp. Careful load and unload, be care not pollute or torn the package, avoid rain and insolation during transportation.

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