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LC855 (R)-(+)-1,1′-Binaphthyl-2,2′-diol

for synthesis


Order number Packaging Quantity Price €
AC27855 Glass bottle 1 g 14.31
AC27855 Glass bottle 10 g 108.00


Product information
Synonyms (R)-(+)-2,2′-Dihydroxy-1,1′-binaphthyl
Hill Formula C20H14O2
HS Code 2907 29 00
Molar mass 286.33 g/mol
CAS number 18531-94-7


Chemical and physical data
Solubility (20 °C) insoluble
Melting point 204 – 208 °C
Molar mass 286.33 g/mol


Safety information
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).
Categories of danger toxic, irritant
Hazard Symbol Toxic
Storage class 6.1A Combustible substances, toxic
WGK WGK 3 highly water endangering
Disposal 9
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).


Transport information
Declaration (transport by sea) IMDG-Code UN 2811 TOXIC SOLID, ORGANIC, N.O.S.(1,1′-BINAPHTHYL-2,2′-DIOL), 6.1, III
Declaration (transport by air) IATA-DGR UN 2811 TOXIC SOLID, ORGANIC, N.O.S.(1,1′-BINAPHTHYL-2,2′-DIOL), 6.1, III


Toxicological data
LD 50 oral LD50 rat 113 mg/kg


Assay (HPLC, area%) ≥ 99 %
Melting range
– lower value
≥ 215 °C
– upper value ≤ 208 °C
Spec. rotation [α]20/D (c=1 in THF) +35 – +38 °
Enantiomeric purity ≥ 99 %
Identity (IR) passes test


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