| Benzophenone-3 - Technical Data Sheet | ||
| Product Name | Benzophenone-3 (UV-9, Oxybenzone) USP | |
| Properties | Structure: |
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| Chemical Name: | 2-Hydroxy-4-Methoxy Benzophenone | |
| INCI Name: | BENZOPHENONE-3 | |
| EINECS#: | 205-031-5 | |
| CAS No.: | 131-57-7 | |
| Molecular Formula: | C14 H12O3 | |
| Molecular Weight | 228.24 | |
| UV Characteristics |  |
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| Physical Property | Appearance: | Pale greenish yellow crystalline powder |
| Assay (HPLC) | 97.0~103.0% | |
| Identification: | IR: Identical to IR Spectrum of standard HPLC: The retention time of the major peak of the Sample solution corresponds to that of the Standard solution, as obtained in the Assay. | |
| Congealing Temperature: | 62.0C min | |
| Loss and Drying: | 2.0％max | |
| Impurities(HPLC) : | Total Impurities: 1.0%max Benzophenone- 1 : 0.2％ max Single largest unspecified impurity: 0.10％ max |
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| Residual solvents | Ethanol: 5000ppm max | |
| Application | BP-3 is a UV absorber. Used in topical sunscreens, moisturizers, shampoos, hair care products, lipstick, lip balms, nail polish, plastic materials, dental composite materials. It is also used as color preserver in paints and varnishes. | |
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