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| Chemical name: | UV-284 (BP-4) | |
| CAS: | 4065-45-6 | |
| Molecular formula: | C14H12O6S | |
| Molecular weight: | 308.31 | |
| Performance and uses: | Ultraviolet light absorber UV-284(BP-4) is broad-spectrum ultraviolet light absorber with advantages such as high absorption, non-toxic, good light and heat stability, etc. UV-284 can absorb UV-A and UV-B. It isⅠclass sun-screening agent approved by FDA. In American and European countries, it is mainly used in cosmetics such as suntan cream, sunscreen milk cream, sunscreen emulsion, sunscreen oil, etc, with additive amount of 5-8 percent. | |
| Quality index: | Item | Standard |
| Appearance | Off-white crystalline powder | |
| Content | ≥99% | |
| Melting point | ≥160℃ | |
| Drying loss | ≤3% | |
| Heavy metal | ≤20ppm | |
| Light absorption | 285nm: ≥460 325nm: ≥290 |
|
| PH value | 1.2-2.2 | |
| Chemical name: | UV-284 (BP-4) | |
| CAS: | 4065-45-6 | |
| Molecular formula: | C14H12O6S | |
| Molecular weight: | 308.31 | |
| Performance and uses: | Ultraviolet light absorber UV-284(BP-4) is broad-spectrum ultraviolet light absorber with advantages such as high absorption, non-toxic, good light and heat stability, etc. UV-284 can absorb UV-A and UV-B. It isⅠclass sun-screening agent approved by FDA. In American and European countries, it is mainly used in cosmetics such as suntan cream, sunscreen milk cream, sunscreen emulsion, sunscreen oil, etc, with additive amount of 5-8 percent. | |
| Quality index: | Item | Standard |
| Appearance | Off-white crystalline powder | |
| Content | ≥99% | |
| Melting point | ≥160℃ | |
| Drying loss | ≤3% | |
| Heavy metal | ≤20ppm | |
| Light absorption | 285nm: ≥460 325nm: ≥290 |
|
| PH value | 1.2-2.2 | |
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