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  • 8.14773 - (S)-(-)-1,1'-Binaphthyl-2,2'-diol

8.14773 EMD Millipore


(S)-(-)-1,1'-Binaphthyl-2,2'-diol for synthesis. CAS 18531-99-2, molar mass 286.33 g/mol., for synthesis

Synonym: (S)-(-)-2,2'-Dihydroxy-1,1'-binaphthyl

  • CAS Number 18531-99-2

  • Linear Formula C₂₀H₁₄O₂

  • Molecular Weight 286.33 g/mol



Related Categories Biochemicals and Reagents More...
packaging   1 g in Glass bottle (8147730001)
density   1.301 g/cm3
mp   204 °C
LD 50 oral   LD50 Rat 113 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (HPLC, area%): ≥ 99.0 % (a/a)
  Melting range (lower value): ≥ 198 °C
  Melting range (upper value): ≤ 202 °C
  Spec. rotation [α²0/D (c=1 in THF): -38.0 - -35.0 °
  Enantiomeric purity: ≥ 99.0 % (a/a)
  Identity (IR): passes test

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Safety Information

HS Code 
2907 29 00
Hazard Statement(s) 
H315: Causes skin irritation.
H319: Causes serious eye irritation.
Precautionary Statement(s) 
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Storage class 
10 - 13 Other liquids and solids
WGK 3 highly water endangering
Carcinogenic compounds and flammable compounds labelled "Highly toxic" or "Toxic": container F. Alkyl sulfates are carcinogenic; Take particular care to avoid inhalation and skin contact. To neutralize alkyl sulfates, add dropwise (from a dropping funnel) to concentrated ice-cool Ammonia solution (Cat.No. 105426) with vigorous stirring. Before placing in container D, check the pH with pH Universal indicator strips (Cat.No. 109535).
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Symbols 
Toxic  Toxic
Declaration (railroad and road) ADR, RID 
Kein Gefahrgut
Declaration (transport by air) IATA-DGR 
No Dangerous Good
Declaration (transport by sea) IMDG-Code 
No Dangerous Good
Categories of danger 
toxic, irritant
R Phrase 
R 25-36/38
Toxic if swallowed.Irritating to eyes and skin.
S Phrase 
S 37-45
Wear suitable gloves.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
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