Methylene Bis-Benzotriazolyl Tetramethylbutylphenol (Nano)
Goodsunscreen_filter
UV filter that protects skin from harmful ultraviolet radiation.
Regulatory Info
Status: Allowed UV Filter
Restrictions: Max: 10 %(*)
(*) In case of combined use of Methylene Bis-Benzotriazolyl Tetramethylbutylphenol and Methylene Bis-Benzotriazolyl Tetramethylbutylphenol (nano), the sum shall not exceed the limit given in column g.’.; Not to be used in applications that may lead to exposure of the end user's lungs by inhalation.
Only nanomaterials having the following characteristics are allowed:
— Purity ≥ 98,5 %, with 2,2′-methylene-bis- (6(2H-benzotriazol-2-yl)-4-(isooctyl)phenol) isomer fraction not exceeding 1,5 %;
— Solubility < 5 ng/L in water at 25 °C; — Partition coefficient (Log Pow): 12,7 at 25 °C;
— Uncoated;
— Median particle size D50 (50 % of the number below this diameter): ≥ 120 nm of mass distribution and/or ≥ 60 nm of number size distribution.