Molecular Structure:

Molecular Formula: C₂₀H₁₄O₂
Molecular Weight: 286.324
IUPAC Name: 1-(2-Hydroxy-5,6,7,8-tetrahydronaphthalen-1-yl)-1,2,3,4-tetrahydronaphthalen-2-ol
Synonyms of (S)-(-)-1,1'-Bi-2-naphthol (CAS NO.18531-99-2): (R)-(+)-2,2'-Dihydroxy-1,1-binaphthyl ; (R)-(+)-1,1'-Bi(2,2'-naphthol) ; (R)-(+)-1,1'-Binaphthyl-2,2'-diol ; R(+)-1,1'-Binaphthalene-2,2'-diol ; (R)-[1,1]-Binaphthalenyl-2,2'-diol ; (R)-(+)-1,1'-Bis(2-naphthol)
CAS NO: 18531-99-2
Product Categories: Intermediates of Dyes and Pigments ; blocks ; BuildingBlocks ; Alcohols and Derivatives ; chiral ; CHIRAL COMPOUNDS ; Chiral Reagent ; Asymmetric Synthesis ; Synthetic Organic Chemistry ; Chiral Compound;Peptide
Melting point: 215-218 °C 
Index of Refraction: 1.758
Molar Refractivity: 90.29 cm³
Molar Volume: 219.8 cm³
Surface Tension: 62.6 dyne/cm
Density: 1.302 g/cm³
Flash Point: 218.9 °C
Enthalpy of Vaporization: 75.08 kJ/mol
Boiling Point: 462.1 °C at 760 mmHg
Vapour Pressure: 3.68E-09 mmHg at 25°C

 (S)-(-)-1,1'-Bi-2-naphthol (CAS NO.18531-99-2) is used to synthesize a variety of chiral reagents.

Hazard Codes of (S)-(-)-1,1'-Bi-2-naphthol (CAS NO.18531-99-2): TXi
Risk Statements: 25-36-36/37/38 
R25: Toxic if swallowed
R36: Irritating to eyes
R36/37/38: Irritating to eyes, respiratory system and skin
Safety Statements:26-45-24/25-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S24/25: Avoid contact with skin and eyes
S36: Wear suitable protective clothing
RIDADR UN: 2811 6.1/PG 3
WGK Germany: 3
RTECS DU:106100
F: 10
HazardClass: 6.1
PackingGroup: III

 (S)-(-)-1,1'-Bi-2-naphthol (CAS NO.18531-99-2) is also called as (R)-(+)-2,2'-dihydroxy-1,1'-binaphthyl ; (R)-(+)-2,2'-dihydroxy-1,1-binaphthyl ; (R)-(+)-1,1'-bi(2,2'-naphthol) ; (R)-(+)-1,1'-binaphthyl-2,2'-diol ; R(+)-1,1'-binaphthalene-2,2'-diol ; (R)-[1,1]-binaphthalenyl-2,2'-diol ; (R)-(+)-1,1'-bis(2-naphthol) .