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OCR is a potent UVB absorber that combines easily with oils in sunscreen formulations and is the preferred UV filter for waterproof formulations.
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Applications
In the cosmetic industry, OCR is a well-known high-efficiency sunscreen agent, widely used in sunscreen products and other skin care formulations that provide sun protection, such as face cream, lotion, gel, make-up, etc.
In industry, OCR can be used in plastic additives, coatings and paints due to its UV resistance.
In the pharmaceutical industry, OCR is a UVB filter used in sunscreens and topical pharmaceutical formulations.
Technical specification
| Items | Specification |
|---|---|
| Appearance | Clear yellow viscous liquid |
| Identification(IR) | A. Ultraviolet Absorption 197UUV Absorptivities at 303nm do not differ bymore than 3.0% |
| Identification(GC) | B. The retention time of the major peak of the sample solution corresponds to that of the standard solution, as obtained in the Assay |
| Specific Gravity (at 25℃) | 1.045~1.055 |
| Refractive Index(at 20℃) | 1.561~1.571 |
| Acidity(0.1mol/L NaOH) | 0.18ml max |
| Specific Extinction（E1%, 1cm, at 303nm） | 340-370 |
| Color（Gardner, 100g/L in acetone） | 4 max |
| Purity（GC） | 98.0% min |
| Assay（GC） | 95.0%-105.0% |
| Impurity（GC） | Individual impurity: 0.5% max |
| Total impurity: 2.0% max |
Packaging
Packaging is confirmed with the quotation.
On a small screen, scroll the technical table horizontally.
Published reference specifications. Confirm the current grade, SDS / TDS / COA, packaging and delivery terms with your quotation.