Molecular Structure of 2-[Di(tert-butyl)phosphino]-1,1'-binaphthyl (CAS NO.255836-67-0):

Systematic Name: 1,1'-Binaphthalen-2-yl(di-tert-butyl)phosphane 
 Molecular Formula: C₂₈H₃₁P
Molecular Weight: 398.52 
Mol File: 255836-67-0.mol 
H bond acceptors: 0
H bond donors: 0
Freely Rotating Bonds: 4
Melting Point: 148-151 °C 
Flash Point: 284.8 °C
Enthalpy of Vaporization: 76.24 kJ/mol
Boiling Point: 519.5 °C at 760 mmHg
Vapour Pressure: 2.23E-10 mmHg at 25 °C
Appearance: White to pale yellow crystalline powder
SMILES: c4c1ccccc1c(c3c2ccccc2ccc3)c(P(C(C)(C)C)C(C)(C)C)c4
InChI: InChI=1/C28H31P/c1-27(2,3)29(28(4,5)6)25-19-18-21-13-8-10-16-23(21)26(25)24-17-11-14-20-12-7-9-15-22(20)24/h7-19H,1-6H3
InChIKey: QGBQGMHXBSLYLZ-UHFFFAOYAA

Safety Information of 2-[Di(tert-butyl)phosphino]-1,1'-binaphthyl (CAS NO.255836-67-0):
Hazard Codes: Xi
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 37/39-26 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S37/39:Wear suitable gloves and eye/face protection.

 2-[Di(tert-butyl)phosphino]-1,1'-binaphthyl (CAS NO.255836-67-0), its Synonyms are Phosphine,[1,1'-binaphthalen]-2-ylbis(1,1-dimethylethyl)- ; 2-(Di-tert-butylphosphino)-1,1'-binaphthyl,98% ; Rac-2-(di-t-butylphosphino)-1,1'-binaphthyl ; Racemic-2-(di-t-butylphosphino)-1,1'-binaphthyl .