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HomeProduct name list1,1'-BINAPHTHYL

1,1'-BINAPHTHYL

  • CAS NO.:604-53-5
  • Empirical Formula: C20H14
  • Molecular Weight: 254.33
  • MDL number: MFCD00041740
  • EINECS: 210-070-6
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:08:57
1,1'-BINAPHTHYL Structural

What is 1,1'-BINAPHTHYL?

Chemical properties

Brown powder

Purification Methods

Purify 1,1’-binaphthyl through a silica gel column with Me2CO/*C6H6 [or Al2O3 with 10% *C6H6/pet ether (b 30-60o)] and recrystallise it from EtOH, pentane, or slow evaporation of *C6H6, Me2CO or Et2O solutions. Half life ~10hours at 25o in various solvents. [Wilson & Pincock J Am Chem Soc 97 1474 1975, Akimoto & Yamada Tetrahedron 27 5999 1971, Beilstein 5 I 358, 5 II 642, 5 III 2465, 5 IV 2634.]

Properties of 1,1'-BINAPHTHYL

Melting point: 143-146 °C
Boiling point: 360 °C
Density  1,3 g/cm3
refractive index  1.6292 (estimate)
storage temp.  Sealed in dry,Room Temperature
solubility  very faint turbidity in Toluene
form  Powder
color  Brown
CAS DataBase Reference 604-53-5(CAS DataBase Reference)
EPA Substance Registry System 1,1'-Binaphthalene (604-53-5)

Safety information for 1,1'-BINAPHTHYL

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H302:Acute toxicity,oral
H319:Serious eye damage/eye irritation
H413:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for 1,1'-BINAPHTHYL

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