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ChemicalBook >> CAS DataBase List >> (R)-(+)-1,1'-Bi-2-naphthol

(R)-(+)-1,1'-Bi-2-naphthol

(R)-(+)-1,1'-Bi-2-naphthol price.
  • $6 - $2680
  • Product name: (R)-(+)-1,1'-Bi-2-naphthol
  • CAS: 18531-94-7
  • MF: C20H14O2
  • MW: 286.32
  • EINECS:606-048-4
  • MDL Number:MFCD00004068
  • Synonyms:(R)-(+)-BI-2-NAPHTHOL;(R)-[1,1']-Binaphth-2-ol, (R)-BINOL;(+)-2,2μ-Dihydroxy-1,1μ-dinaphthyl, (R)-(+)-1,1μ-Binaphthalene-2,2μ-diol, (R)-BINOL;(R)-(+)-1,1'-Bi-2-naphthol 99%;[aR,(+)]-1,1'-Binaphthalene-2,2'-diol;[aR,(+)]-Dinaphthol;R-(+)-1_Bi-2-naphthol;(R)-(+)-1,1'-Bi-2-na
Price109 Properties Safety Information Description
109 prices
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  • aablocks
  • Activate Scientific
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  • 10/ G
  • Manufactureraablocks
  • Product numberAA0032B4
  • Product description(R)-[1,1'-Binaphthalene]-2,2'-diol 97%
  • Packaging10g
  • Price$9
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0032B4
  • Product description(R)-[1,1'-Binaphthalene]-2,2'-diol ≥98%
  • Packaging25g
  • Price$12
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0032B4
  • Product description(R)-[1,1'-Binaphthalene]-2,2'-diol 97%
  • Packaging100g
  • Price$33
  • Updated2026-05-28
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS20579-R
  • Product description(R)-(+)-1,1`-Bi-2-naphthol 97%EE
  • Packaging1g
  • Price$24
  • Updated2026-06-04
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS20579-R
  • Product description(R)-(+)-1,1`-Bi-2-naphthol 97%EE
  • Packaging5g
  • Price$37
  • Updated2026-06-04
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS20579-R
  • Product description(R)-(+)-1,1`-Bi-2-naphthol 97%EE
  • Packaging25g
  • Price$99
  • Updated2026-06-04
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS20579-R
  • Product description(R)-(+)-1,1`-Bi-2-naphthol 97%EE
  • Packaging100g
  • Price$228
  • Updated2026-06-04
  • Buy
  • ManufacturerAHH
  • Product numberMT-23855
  • Product description(R)-(+)-1,1-Bi-2-naphthol 98%
  • Packaging100g
  • Price$280
  • Updated2021-12-16
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  • ManufacturerAHH
  • Product numberMT-23855
  • Product description(R)-(+)-1,1-Bi-2-naphthol 97%
  • Packaging100g
  • Price$280
  • Updated2026-05-25
  • Buy
  • ManufacturerAHH
  • Product numberMT-23855
  • Product description(R)-(+)-1,1-Bi-2-naphthol 97%
  • Packaging100g
  • Price$280
  • Updated2026-05-26
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  • ManufacturerAK Scientific
  • Product numberD238
  • Product descriptionR-(+)-1,1'-Bi-2-Naphthol >99%(HPLC)
  • Packaging500g
  • Price$343
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product numberJ91852
  • Product descriptionR-(+)-1,1'-Bi-2-Naphthol 98%
  • Packaging500g
  • Price$240
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product numberD238
  • Product descriptionR-(+)-1,1'-Bi-2-Naphthol >99%(HPLC)
  • Packaging100g
  • Price$118
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product numberJ91852
  • Product descriptionR-(+)-1,1'-Bi-2-Naphthol
  • Packaging500g
  • Price$169
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ91852
  • Product descriptionR-(+)-1,1'-Bi-2-Naphthol 98%
  • Packaging100g
  • Price$60
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberD238
  • Product descriptionR-(+)-1,1'-Bi-2-Naphthol >99%(HPLC)
  • Packaging25g
  • Price$41
  • Updated2026-06-04
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA0032B4 (R)-[1,1'-Binaphthalene]-2,2'-diol 97% 10g $9 2026-05-28 Buy
aablocks AA0032B4 (R)-[1,1'-Binaphthalene]-2,2'-diol ≥98% 25g $12 2026-05-28 Buy
aablocks AA0032B4 (R)-[1,1'-Binaphthalene]-2,2'-diol 97% 100g $33 2026-05-28 Buy
Activate Scientific AS20579-R (R)-(+)-1,1`-Bi-2-naphthol 97%EE 1g $24 2026-06-04 Buy
Activate Scientific AS20579-R (R)-(+)-1,1`-Bi-2-naphthol 97%EE 5g $37 2026-06-04 Buy
Activate Scientific AS20579-R (R)-(+)-1,1`-Bi-2-naphthol 97%EE 25g $99 2026-06-04 Buy
Activate Scientific AS20579-R (R)-(+)-1,1`-Bi-2-naphthol 97%EE 100g $228 2026-06-04 Buy
AHH MT-23855 (R)-(+)-1,1-Bi-2-naphthol 98% 100g $280 2021-12-16 Buy
AHH MT-23855 (R)-(+)-1,1-Bi-2-naphthol 97% 100g $280 2026-05-25 Buy
AHH MT-23855 (R)-(+)-1,1-Bi-2-naphthol 97% 100g $280 2026-05-26 Buy
AK Scientific D238 R-(+)-1,1'-Bi-2-Naphthol >99%(HPLC) 500g $343 2026-06-04 Buy
AK Scientific J91852 R-(+)-1,1'-Bi-2-Naphthol 98% 500g $240 2026-06-04 Buy
AK Scientific D238 R-(+)-1,1'-Bi-2-Naphthol >99%(HPLC) 100g $118 2026-06-04 Buy
AK Scientific J91852 R-(+)-1,1'-Bi-2-Naphthol 500g $169 2021-12-16 Buy
AK Scientific J91852 R-(+)-1,1'-Bi-2-Naphthol 98% 100g $60 2026-06-04 Buy
AK Scientific D238 R-(+)-1,1'-Bi-2-Naphthol >99%(HPLC) 25g $41 2026-06-04 Buy
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Properties

Melting point :215-218 °C
alpha :35.5 º (c=1, THF)
Boiling point :388.69°C (rough estimate)
Density :1.301
refractive index :36.0 ° (C=1, THF)
storage temp. :Store below +30°C.
solubility :dioxane: 50 mg/mL, clear
form :Powder
pka :8.29±0.50(Predicted)
color :white to off-white
optical activity :[α]21/D +34°, c = 1 in THF
Water Solubility :Insoluble in water. Solubility in THF within almost transparency). Soluble in dioxane 50 mg/mL.
Merck :14,1226
BRN :3616837
InChI :1S/C20H14O2/c21-17-11-9-13-5-1-3-7-15(13)19(17)20-16-8-4-2-6-14(16)10-12-18(20)22/h1-12,21-22H
InChIKey :PPTXVXKCQZKFBN-UHFFFAOYSA-N
SMILES :Oc1ccc2ccccc2c1-c3c(O)ccc4ccccc34
CAS DataBase Reference :18531-94-7(CAS DataBase Reference)

Safety Information

Symbol(GHS): Skull and Crossbones (GHS06)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:
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. Continuerinsing.

Description

It is used in biosynthetic preparation for enantioselective oxidation of naphthols to binaphthyldiols with horseradish peroxidase catalyst. A chiral auxiliary used in the catalytic asymmetric oxidation of sulfides to sulfoxides. Chiral lanthanide triflates formed from binaphthol serve as catalysts for asymmetric Diels-Alder reactions. Derivatives of binaphthol have recently found use in asymmetric Claisen rearrangements and asymmetric epoxidations.5 The lithium aluminum hydride derivative of these diols (BINAP-H) has been used extensively for the reduction of ketones. Chiral binapthol imminium salt precursor. Salts were used for an asymmetric epoxidation of olefins.

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Suppliers and manufacturers

XINXIANG RUNYU MATERIAL CO., LTD.
(R)-(+)-1,1'-Bi-2-naphthol
(R)-(+)-1,1'-Bi-2-naphthol CAS:18531-94-7
Shanghai UCHEM Inc.
(R)-(+)-(1,1'-binaphthalene)-2,2'-diol
$35.00
(R)-(+)-(1,1'-binaphthalene)-2,2'-diol CAS:18531-94-7
Henan Bao Enluo International TradeCo.，LTD
(R)-(+)-1,1'-Bi-2-naphthol
$200.00
(R)-(+)-1,1'-Bi-2-naphthol CAS:18531-94-7
Henan Fengda Chemical Co., Ltd
(R)-(+)-1,1'-Bi-2-naphthol
$2.00
(R)-(+)-1,1'-Bi-2-naphthol CAS:18531-94-7
HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD
(R)-(+)-1,1'-Bi-2-naphthol
$70.00
(R)-(+)-1,1'-Bi-2-naphthol CAS:18531-94-7
career henan chemical co
(R)-(+)-1,1'-Bi-2-naphthol
$1.00
(R)-(+)-1,1'-Bi-2-naphthol CAS:18531-94-7
Shanghai Daken Advanced Materials Co.,Ltd
Henan Tianfu Chemical Co.,Ltd.
Nanjing ChemLin Chemical Industry Co., Ltd.
Shanghai Arbor Chemical Co., Ltd.