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1,1'-Bi-2-naphthol

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1,1'-Bi-2-naphthol Basic information
1,1'-Bi-2-naphthol Chemical Properties
  • Melting point:215-218 °C
  • Boiling point:388.69°C (rough estimate)
  • Density 1g/cm
  • refractive index 1.7580 (estimate)
  • storage temp. Inert atmosphere,Room Temperature
  • solubility dioxane: 50 mg/mL, clear
  • pka8.29±0.50(Predicted)
  • form Powder
  • color White to beige
  • Water Solubility insoluble
  • Merck 14,1226
  • BRN 997518
  • InChIKeyPPTXVXKCQZKFBN-UHFFFAOYSA-N
  • CAS DataBase Reference602-09-5(CAS DataBase Reference)
  • NIST Chemistry Reference1,1'-Bi-2-naphthol(602-09-5)
  • EPA Substance Registry System[1,1'-Binaphthalene]-2,2'-diol (602-09-5)
Safety Information
  • Hazard Codes T,Xi
  • Risk Statements 25-36-36/37/38
  • Safety Statements 26-45-37/39-36
  • RIDADR UN 2811 6.1/PG 3
  • WGK Germany 3
  • RTECS DU3106100
  • 10
  • TSCA Yes
  • HazardClass 6.1
  • PackingGroup III
  • HS Code 29072900
  • ToxicityLDLo orl-mus: 42 mg/kg AECTCV 14,111,85
MSDS
1,1'-Bi-2-naphthol Usage And Synthesis
  • Chemical Propertieswhite to beige powder
  • Uses1,1'-Bi-2-naphthol is used as a chiral ligand in alkynylation, Diels-Alder and assymmetric Michael addition reactions.
  • Synthesis Reference(s)Tetrahedron, 48, p. 9483, 1992 DOI: 10.1016/S0040-4020(01)88316-2
    Tetrahedron Letters, 24, p. 3261, 1983 DOI: 10.1016/S0040-4039(00)88151-4
  • Safety ProfilePoison by ingestion. When heatedto decomposition it emits acrid smoke and irritatingvapors.
  • Purification MethodsCrystallise the binaphthol from toluene or *benzene (10mL/g). When crystallised from chlorobenzene it has m 238o. Its solubility in dioxane is 5%. [Beilstein 6 IV 7020.]
1,1'-Bi-2-naphthol Preparation Products And Raw materials
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