Benzophenone-4(BP-4;UV-284)
| Items | Standard |
| Appearance | Off-white or light yellow crystalline powder |
| Specific Extinction | E288 ≥ 460 |
| E325 ≥ 290 | |
| Assay（HPLC） | ≥ 99.0 % |
| Melting Point | ≥140.0℃ |
| Loss on Drying | ≤ 3.0 % |
| Heavy Metals | ≤ 5 ppm |
| Gardner color | ≤ 2.0 |
Download:COA-BP-4 SAMPLE MSDS-BP-4
• Water-soluble.
• A secondary UVB absorber with activity in UVA region.
• Protects colorants against fading.
• Helps to protect fragrances and active ingredients against oxidation.
• For anti-aging face care products and sunscreens.
• Max concentration: 6%(EC) 10%(US,AUS,JP)
