Health Care Cosmetics Sunscreen Octocrylene 99% CAS 6197-30-4 Octocrylene is an organic compound with the chemical formula C24H27NO2. It is an oil soluble ultraviolet absorber and is insoluble in water. The properties that contribute to the dissolution of other oil-soluble solid sunscreens. It has the advantages of high absorption rate, non-toxic, no teratogenic effects, good light and thermal stability, etc. It can absorb UV-B and a small amount of UV-A, and is a Class I sunscreen approved by the FDA in the United States. It has a high usage rate in the United States and Europe. Testing terms Standards Results Assay 95.0%~102.0% 99.9% PH 3.5~5.5 4.6 Appearance of solution 0.5mol/L HCL≤2# 2mol/L NH4 OH≤2# 1# 1# Water 11.5%~14.5% 13.2% Related substances Impurity (max.)≤1.0% 0.13% Specific optical rotation +290''~+315'' +305° Sulfated ash ≤1.0% 0.1% N-N-Dimethylannline ≤20ppm Never used in the production Methylen chloride ≤600ppm 296ppm ≤320ppm 155ppm ≤3000ppm 95ppm Conclusion:complies with EP 6th Standard.