Compound: Bisoctrizole
SMILES: Oc1c(-n2nc3ccccc3n2)cc(C(CC(C)(C)C)(C)C)cc1Cc4c(O)c(-n5nc6ccccc6n5)cc(c4)C(CC(C)(C)C)(C)C
InChIKey: FQUNFJULCYSSOP-UHFFFAOYSA-N
Synonyms: Bisoctrizole, FAT 75'634, Bisoctrizole [USAN], Bisoctrizol, 8NT850T0YS, NSC-759873, DTXSID2046703, BISOCTRIZOLE [MI], FAT-75634, BISOCTRIZOLE [INN], BISOCTRIZOLE [MART.], BISOCTRIZOLE [USP-RS], BISOCTRIZOLE [WHO-DD], DTXCID0026703, BISOCTRIZOLE [USP MONOGRAPH], 2-(2H-1,2,3-benzotriazol-2-yl)-6-{[3-(2H-1,2,3-benzotriazol-2-yl)-2-hydroxy-5-(2,4,4-trimethylpentan-2-yl)phenyl]methyl}-4-(2,4,4-trimethylpentan-2-yl)phenol, Phenol, 2,2'-methylenebis(6-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)-, Phenol, 2,2'-methylenebis[6-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)-, BISOCTRIZOLE (MART.), BISOCTRIZOLE (USP-RS), BISOCTRIZOLE (USP MONOGRAPH), 2,2'-METHYLENEBIS(6-(2-BENZOTRIAZOLYL)-4-(1,1,3,3-TETRAMETHYLBUTYL)PHENOL, 2,2'-METHYLENEBIS(6-(2-BENZOTRIAZOLYL)-4-(1,1,3,3-TETRAMETHYLBUTYL)PHENOL), PHENOL, 2,2'-METHYLENEBIS(6-(2H-BENZOTRIALZOL-2-YL)-4-(1,1,3,3-TETRAMETHYLBUTYL)-, bisoctrizolum, Phenol, 2,2'-methylenebis[6-(2H-benzotriazol-2-yl]-4-(1,1,3,3-tetramethylbutyl)-, 2-(2H-1,2,3-benzotriazol-2-yl)-6-((3-(2H-1,2,3-benzotriazol-2-yl)-2-hydroxy-5-(2,4,4-trimethylpentan-2-yl)phenyl)methyl)-4-(2,4,4-trimethylpentan-2-yl)phenol, RefChem:569536, From the skin Glutathione Collagen Sun Gel Patch, METHYLENE BIS-BENZOTRIAZOLYL TETRAMETHYLBUTYLPHENOL [INCI], 2,2'-methylenebis(6-(2h-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol, 921-481-1, Methylene Bis-Benzotriazolyl Tetramethylbutylphenol, 103597-45-1, Tinosorb M, MBBT, Ultraviolet Absorbent UV-360, UV-360, 2,2'-Methylenebis[6-(benzotriazol-2-yl)-4-tert-octylphenol], UNII-8NT850T0YS, Bisoctrizole [USAN:USP:INN], 2-(benzotriazol-2-yl)-6-[[3-(benzotriazol-2-yl)-2-hydroxy-5-(2,4,4-trimethylpentan-2-yl)phenyl]methyl]-4-(2,4,4-trimethylpentan-2-yl)phenol, 2,2'-Methylenebis(6-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol), UV 360, NSC 759873, NCGC00167544-01, EC 403-800-1, 2,2'-Methylenebis[6-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol], 2-(2-hydrobenzotriazol-2-yl)-6-{[3-(2-hydrobenzotriazol-2-yl)-2-hydroxy-5-(1,1 ,3,3-tetramethylbutyl)phenyl]methyl}-4-(1,1,3,3-tetramethylbutyl)phenol, Milestab-360, Tinuvin-360, Bisoctrizole (Standard), Bisoctrizole (USP/INN), SCHEMBL39191, orb1310706, orb3139353, CHEMBL2104957, SCHEMBL19610863, SCHEMBL29358089, SCHEMBL30113083, Bisoctrizole, analytical standard, HY-B0897R, MSK3426, CHEBI:135865, GLXC-23884, HMS3264F09, Pharmakon1600-01503866, HY-B0897, Tox21_112541, EBC-27416, MSK3426-100G, NSC759873, s4551, SBB057043, AKOS015895745, MSK3426-1000G, DB11262, UV-360 Solution in THF, 100ug/mL, NCGC00167544-02, 2-(benzotriazol-2-yl)-6-[[3-(benzotriazol-2-yl)-2-hydroxy-5-(1,1,3,3-tetramethylbutyl)phenyl]methyl]-4-(1,1,3,3-tetramethylbutyl)phenol, DA-61722, FU161855, SY057464, UV-360 Solution in THF, 1000ug/mL, CAS-103597-45-1, M1259, NS00004911, ST50994529, D03249, SBI-0653422.0001, AB01563348_01, EN300-19628345, SR-01000883719, Q4918369, SR-01000883719-1, BRD-K00228584-396-01-8, Bis[3-(benzotriazol-2-yl)-2-hydroxy-5-tert-octylphenyl]methane, Bisoctrizole, United States Pharmacopeia (USP) Reference Standard, 2,2'-methylene-bis[4-(1,1,3,3-tetramethylbutyl)-6-benzotriazol-2-yl-phenol], 2,2'-methylenebis(6-(2Hbenzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol], 2,2'-Methylenebis[6-(2H-1,2,3-benzotriazol-2-yl)-4-(2,4,4-trimethylpentan-2-yl)phenol], 2,2'-Methylenebis[6-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol], 99%, Bisoctrizole, Pharmaceutical Secondary Standard; Certified Reference Material, 403-800-1, 6,6'-Bis(2H-1,2,3-benzotriazol-2-yl)-4,4'-bis(2,4,4-trimethylpentan-2-yl)- 2,2'-methylenebiphenol, 6,6'-Methylenebis[2-(2H-benzo[d][1,2,3]triazol-2-yl)-4-(2,4,4-trimethyl-2-pentyl)phenol], 6,6\'-methylenebis(2-(2H-benzo[d][1,2,3]triazol-2-yl)-4-(2,4,4-trimethylpentan-2-yl)phenol)
Theoretical properties:
molecular_formula: C41H50N6O2
molecular_weight: 658.9 g/mol
exact_mass: 658.39952486 g/mol
formal_charge: 0
hydrogen_bond_donor_count: 2
hydrogen_bond_acceptor_count: 6
rotatable_bond_count: 10
heavy_atom_count: 49
topological_polar_surface_area: 102 Å²
isotope_atom_count: 0
covalently_bonded_unit_count: 1
Physical properties:
solubility: < 5 ng/L at 25 °C
Descriptions:
pubchem: Bisoctrizole is a diarylmethane.
chembl: BISOCTRIZOLE is a small molecule listed in the ChEMBL database and has reached clinical trial phase 2.0.
wikipedia: Bisoctrizole (INN/USAN, marketed by BASF as Tinosorb M, by DSM Nutritional Products as Parsol Max, by Everlight Chemical as Eversorb M, and by MPI as Milestab 360, INCI methylene bis-benzotriazolyl tetramethylbutylphenol) is a phenolic benzotriazole that is added to sunscreens to absorb UV rays. It is a broad-spectrum ultraviolet radiation absorber, absorbing UVB as well as UVA rays.  It also reflects and scatters UV. 
Bisoctrizole is what is termed a hybrid UV absorber, which has been described as an organic UV filter produced in microfine organic particles (< 200 nm), like microfine zinc oxide and titanium dioxide. Where other organic UV absorbers dissolved in either the oily or aqueous phases, bisoctrizole dissolves poorly in both.
Hence, bisoctrizole is formulated in sunscreen preparations as a 50% suspension,  the absorber added to the water phase, and mineral micropigments usually added to the oil phase. The bisoctrizole particles are stabilized by the surfactant decyl glucoside. The compound shows very little photodegradation, and has a stabilizing effect on other UV absorbers, octyl methoxycinnamate (octinoxate) in particular.
In primary research reports, bisoctrizole has been reported to minimally penetrate skin, and has been described as lacking estrogenic effects in vitro.
Bisoctrizole has not yet been approved by the U.S. Food and Drug Administration (FDA), but is approved in the EU and other parts of the world.