Molecular Structure of 2,5-Diisooctylhydroquinone (CAS NO.57214-69-4):

IUPAC Name: 2,6-Bis(6-methylheptyl)benzene-1,4-diol 
Molecular Formula: C₂₂H₃₈O₂
Molecular Weight: 334.54
EINECS: 260-627-2 
XLogP3-AA: 8.7
H-Bond Donor: 2
H-Bond Acceptor: 2
Index of Refraction: 1.508
Molar Refractivity: 104.62 cm³
Molar Volume: 350.7 cm³
Surface Tension: 36.5 dyne/cm
Density: 0.953 g/cm³
Flash Point: 198.3 °C
Enthalpy of Vaporization: 75.29 kJ/mol
Boiling Point: 463.8 °C at 760 mmHg
Vapour Pressure: 3.18E-09 mmHg at 25 °C :
Canonical SMILES: CC(C)CCCCCC1=CC(=CC(=C1O)CCCCCC(C)C)O
InChI: InChI=1S/C22H38O2/c1-17(2)11-7-5-9-13-19-15-21(23)16-20(22(19)24)14-10-6-8-12-18(3)4/h15-18,23-24H,5-14H2,1-4H3
InChIKey: ZIASSHGVJYKYSN-UHFFFAOYSA-N

 2,5-Diisooctylhydroquinone (CAS NO.57214-69-4), its Synonyms are 1,4-Benzenediol,2,5-diisooctyl- ; Hydroquinone,2,5-diisooctyl- (7CI) ; 2,5-Bis(6-methylheptyl)-1,4-benzenediol ; 2,5-Bis(2,2,4-trimethylpentyl)hydroquinone .