 |
 |
|
|
|
| Uvinul BMBM |
 |
| 1-(4-methoxyphenyl)-3-(4-tert-butyl phenyl)propan-1,3-dione |
 |
| 70356-09-1 |
 |
| Uvinul BMBM is used as an oil soluble UVA filter in cosmetic sun protection formulations |
 |
Empirical formula/molar mass: C20H22O3 (310.4 g/mol)
Appearance: off white to light yellow powder
Odor: faint specific odor
Solubility: soluble in cosmetic oils, insoluble in water, slightly soluble in ethanol
Assay (GC): min. 98.0 area-%
USP Purity (GC), Impurities: 95.0 - 105.0 g/100g conforms
Identity (UV and IR): conforms
Melting point: 81.0 - 86.0'C
A 1 % 1 cm value at 357 nm: 1120 - 1200
k-value: 112 - 120 |
|
|
|
|
|
