Benzophenone-3
Brief Introduction:
Ultraviolet absorber UV-9 is light yellow or white crystalline powder, also known as sunscreen No. 2, BP-3, suitable for a variety of plastics including polyvinyl chloride, polyvinylidene chloride, polymethyl methacrylate, unsaturated For polyester, ABS resin and cellulose resin, etc., the maximum absorption wavelength range is 280-340 nanometers, and the general dosage is 0.1-1.5%. It has good thermal stability and does not decompose at 200°C.
Specifications of our Benzophenone-3(UV-9):
| Test Items | Specifications |
| Appearance | Yellow powder |
| Smell | Slight |
| Assay(HPLC) | 97.0% ~ 103.0% |
| Melting Point | 62.5℃ ~ 64.0℃ |
| Loss on Drying | Not more than 0.5% |
| Heavy Metals | Not more than 5.0ppm |
| Specific Extinction | At 285nm: ≥630 |
| At 325nm: ≥400 | |
| Solidification Point | 62.0℃ ~ 72.0℃ |
| Impurities(GLC and HPLC) | Individual impurity:＜0.1% |
| Sum of impurities:＜1.0% | |
| Methanol | Not more than 1000ppm |
| Cyclohexane | Not more than 3880ppm |
| IR, Identification | / |
| The retention time of the major peak of the Sample solution corresponds to that of the Standard solution, as obtained in the Assay | Corresponds |
| UV/VIS spectrum Identity USP/NF | / |
| Flash Point | ＞100℃ |
| Ash Content | ＜0.1% |
Applications:
Benzophenone-3 (UV-9) is widely used in sunscreen cosmetics such as sunscreen, cream, honey, lotion, oil, etc., and can also be used as an anti-tarnish agent for products that are discolored due to photosensitivity.
Packaging:
25kg/Cardboard drum, 25kg/Cardboard box or according to the specific requirements from customers.
Storage Conditions:
Preserved in unopened original containers in a cool dry place before using; kept away from sunlight, heat and moisture.
Shelf Life:
36 months if stored under above conditions.
