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18531-99-2

2,2'-Dihydroxy-1,1'-binaphthyl

CAS: 18531-99-2

Molecular Formula: C20H14O2

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18531-99-2 - Names and Identifiers

Name 2,2'-Dihydroxy-1,1'-binaphthyl
Synonyms (S)-(-)-Binol
1,1'-BI-2,2'-NAPHTHOLS
(S)-(-)-1,1-Bi-2-Naphthol
(S)-(-)-1,1'-Bi-2-naphthol
(s)-(-)-1,1'-bi-2-nanphthol
(s)-(-)-1,1'-bi-2-nanphthol
(R)-(+)-1,1'-Bis(2-Naphthol)
(R)-(+)-1,1'-Bi(2,2'-Naphthol)
2,2'-Dihydroxy-1,1'-binaphthyl
[1,1']BINAPHTHALENYL-2,2'-DIOL
(S)-1,1'-Binaphthalene-2,2'-Diol
R(+)-1,1'-Binaphthalene-2,2'-Diol
(R)-(+)-1,1'-Binaphthyl-2,2'-Diol
(R)-[1,1]-Binaphthalenyl-2,2'-Diol
(S)-(-)-1,1'-Binaphthalene-2,2'-Diol
S-(-)-2,2'-Dihydroxy-1,1'-binaphthyl
(R)-(+)-2,2'-Dihydroxy-1,1-Binaphthyl
(R)-(+)-2,2'-Dihydroxy-1,1'-binaphthyl
(R)-(+)-2,2'-DIHYDROXY-1,1'-BINAPHTHYL
(S)-(-)-1,1''-BINAPHTHYL-2,2''-DIOL FOR SY
(S)-1,1'-Binaphthalene-2,2'-diol, (S)-BINOL
(S)-(-)-BINOL(S)-(-)-2,2'-Dihydroxy-1,1'-binaphthyl
CAS 18531-99-2
EINECS 606-050-5

18531-99-2 - Physico-chemical Properties

Molecular FormulaC20H14O2
Molar Mass286.32
Density1 g/cm3
Melting Point215-218°C
Boling Point388.69°C (rough estimate)
Specific Rotation(α)-35.5 º (c=1, THF)
Solubility dioxane: 50mg/mL, clear
AppearanceCrystals or Crystalline Powder
ColorWhite to light gray
Merck14,1226
BRN3592999
pKa8.29±0.50(Predicted)
Storage ConditionKeep in dark place,Inert atmosphere,Room temperature
Refractive Index-36.0 ° (C=1, THF)
Physical and Chemical Properties

melting point 215-218°C

specific optical rotation -35.5 ° (c = 1, THF)
density 1g/cm3
refractive index -36.0 ° (C = 1, THF)
storage conditions 2-8°C

solubility dioxane: 50 mg/mL, clear

Merck 14,1226
BRN 3592999

UseUsed as a chiral reagent

18531-99-2 - Risk and Safety

Risk CodesR25 - Toxic if swallowed
R36 - Irritating to the eyes
R36/37/38 - Irritating to eyes, respiratory system and skin.
Safety DescriptionS26 - 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.
UN IDsUN 2811 6.1/PG 3
WGK Germany3
RTECSDU3106100
FLUKA BRAND F CODES10
TSCANo
HS Code29072990
Hazard Class6.1
Packing GroupIII

18531-99-2 - Reference Information

purpose used as chiral reagent
used in the synthesis of multiple Chiral reagents
Last Update：2024-04-09 20:52:54
18531-99-2
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Shanghai Macklin Biochemical Co., Ltd
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Shanghai Macklin Biochemical Co., Ltd
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Product Name: (|S|)-BINOL Visit Supplier Webpage Request for quotation
CAS: 18531-99-2
Tel: +86-18821248368
Email: Int06@meryer.com
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Wuhan UCchem Biotechnology Co., LTD
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Email: 3866263148@qq.com
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Shanghai Amole Biotechnology Co., Ltd.
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CAS: 18531-99-2
Tel: 400-968-2212
Email: 3623107365@qq.com
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MedChemExpress (MCE)
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Product Name: (S)-1,1'-Bi-2,2'-naphthol Visit Supplier Webpage Request for quotation
CAS: 18531-99-2
Tel: 609-228-6898
Email: sales@medchemexpress.com
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Mobile: 609-228-6898
SKYRUN INDUSTRIAL CO.,LTD
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Product Name: (S)-(-)-11'-Bi-2-naphthol Visit Supplier Webpage Request for quotation
CAS: 18531-99-2
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View History
18531-99-2
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89520-70-7
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Blue KE-GN 7658.
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