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| CAS No.: | 18531-99-2 |
|---|---|
| Name: | (S)-(-)-1,1'-Bi-2-naphthol |
| Article Data: | 139 |
| Cas Database | |
| Molecular Structure: | |
|
|
|
| Formula: | C20H14O2 |
| Molecular Weight: | 286.33 |
| Synonyms: | [1,1'-Binaphthalene]-2,2'-diol,(S)-;(-)-2,2'-Dihydroxy-1,1'-binaphthalene;(1S)-1,1'-Binaphthalene-2,2'-diol;(S)-(-)-2,2'-Dihydroxy-1,1'-binaphthyl;(S)-(-)-Bi-2-naphthol;(S)-1,1'-Bi-2,2'-naphthol;(S)-1,1'-Binaphthyl-2,2'-diol;(S)-2,2'-Dihydroxy-1,1'-binaphthalene; |
| EINECS: | 210-014-0 |
| Density: | 1 g/cm3 |
| Melting Point: | 215-218 °C |
| Boiling Point: | 388.69°C (rough estimate) |
| Solubility: | dioxane: 50 mg/mL, clear |
| Appearance: | white crystalline powder |
| Hazard Symbols: |
 T, Xi
|
| Risk Codes: | 25-36/37/38 |
| Safety: | 26-45-24/25-36 |
| Transport Information: | UN 2811 6.1/PG 3 |
| PSA: | 40.46000 |
| LogP: | 5.07120 |
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Chemistry
Molecular Structure:
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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
Uses
(S)-(-)-1,1'-Bi-2-naphthol (CAS NO.18531-99-2) is used to synthesize a variety of chiral reagents.
Safety Profile
Hazard Codes of (S)-(-)-1,1'-Bi-2-naphthol (CAS NO.18531-99-2): 
T
Xi
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
Specification
(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) .