ChemicalBook > CAS DataBase List > 1,1'-Bi-2-naphthol

1,1'-Bi-2-naphthol

Product Name
1,1'-Bi-2-naphthol
CAS No.
602-09-5
Chemical Name
1,1'-Bi-2-naphthol
Synonyms
b-Binaphthol;(R,S)-BINOL;1,1'-BINAPHTHYL-2,2'-DIOL;2,2'-DIHYDROXY-1,1'-BINAPHTHYL;215-217oC;AKOS 90560;(+/-)-BINOL;DI-B-NAPHTHOL;BI-2-NAPHTHOL;AURORA KA-7212
CBNumber
CB0380425
Molecular Formula
C20H14O2
Formula Weight
286.32
MOL File
602-09-5.mol
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1,1'-Bi-2-naphthol Property

Melting point:
215-218 °C
Boiling point:
388.69°C (rough estimate)
Density 
1g/cm
refractive index 
1.7580 (estimate)
storage temp. 
Inert atmosphere,Room Temperature
solubility 
Soluble in dioxane (50 mg/mL).
solubility 
dioxane: 50 mg/mL, clear
form 
Powder
pka
8.29±0.50(Predicted)
color 
White to beige
Water Solubility 
insoluble
Merck 
14,1226
BRN 
997518
InChIKey
PPTXVXKCQZKFBN-UHFFFAOYSA-N
CAS DataBase Reference
602-09-5(CAS DataBase Reference)
NIST Chemistry Reference
1,1'-Bi-2-naphthol(602-09-5)
EPA Substance Registry System
[1,1'-Binaphthalene]-2,2'-diol (602-09-5)
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Safety

Hazard Codes 
T,Xi
Risk Statements 
25-36-36/37/38
Safety Statements 
26-45-37/39-36
RIDADR 
UN 2811 6.1/PG 3
WGK Germany 
3
RTECS 
DU3106100
F 
10
TSCA 
Yes
HazardClass 
6.1
PackingGroup 
III
HS Code 
29072900
Toxicity
LDLo orl-mus: 42 mg/kg AECTCV 14,111,85
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H301Toxic if swalloed

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
104655
Product name
1,1′-Bi-2-naphthol
Purity
99%
Packaging
5g
Price
$31.3
Updated
2024/03/01
Sigma-Aldrich
Product number
104655
Product name
1,1′-Bi-2-naphthol
Purity
99%
Packaging
25g
Price
$123
Updated
2024/03/01
TCI Chemical
Product number
B0461
Product name
1,1'-Bi-2-naphthol
Purity
>99.0%(GC)
Packaging
5g
Price
$30
Updated
2024/03/01
TCI Chemical
Product number
B0461
Product name
1,1'-Bi-2-naphthol
Purity
>99.0%(GC)
Packaging
25g
Price
$83
Updated
2024/03/01
Alfa Aesar
Product number
A11182
Product name
(±)-1,1'-Bi(2-naphthol), 99%
Packaging
5g
Price
$38.65
Updated
2024/03/01
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1,1'-Bi-2-naphthol Chemical Properties,Usage,Production

Chemical Properties

1,1′-Bi-2-naphthol is a white to yellowish gray crystalline powder. It is known to be soluble in methanol. Store in a cool and dark place at ambient temperatures for best keeping.

Uses

(+/-)-1,1'-Bi(2-naphthol) acts as chiral separation agents. It is widely used in chiral liquid crystal,medicines,spices etc,.

Uses

Chiral ligand and auxiliary for asymmetric Michael addition reaction; enantioselective Diels-Alder reaction; alkynylation.

Uses

1,1'-Bi-2-naphthol is used as a chiral ligand in alkynylation, Diels-Alder and assymmetric Michael addition reactions.

Definition

ChEBI: (S)-(-)-1,1'-Bi-2-naphthol is a member of naphthols.

Synthesis Reference(s)

Tetrahedron, 48, p. 9483, 1992 DOI: 10.1016/S0040-4020(01)88316-2
Tetrahedron Letters, 24, p. 3261, 1983 DOI: 10.1016/S0040-4039(00)88151-4

Safety Profile

1,1'-Bi-2-naphthol is incompatible with oxidizing agents and should not be stored or handled near them. Poison by ingestion and causes skin irritation along with serious eye irritation. When heated to decomposition it emits acrid smoke and irritatingvapors.

Purification Methods

Crystallise the binaphthol from toluene or *benzene (10mL/g). When crystallised from chlorobenzene it has m 238o. Its solubility in dioxane is 5%. [Beilstein 6 IV 7020.]

1,1'-Bi-2-naphthol Preparation Products And Raw materials

Raw materials

Preparation Products

2-BROMO-1,1-BINAPHTHYL 1.1'-Binaphthyl-2.2'-diphemyl phosphine 2,2'-DIBROMO-1,1'-BINAPHTHYL
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1,1'-Bi-2-naphthol Suppliers

Americas 1 Austria 1 Belgium 2 Canada 1 China 284 Czech Republic 1 Europe 4 France 1 Germany 6 India 14 Japan 10 Russia 1 Slovakia 1 South Korea 2 Spain 1 Switzerland 2 The Netherlands 2 Ukraine 1 United Kingdom 16 United States 45 Global 396
P&S Chemicals
Tel
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Fax
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Email
info@pschemicals.com
Country
The Netherlands
ProdList
2724
Advantage
58
Brunschwig chemie
Tel
--
Fax
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Email
brunschwig@brunschwig.nl
Country
The Netherlands
ProdList
4996
Advantage
67
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View Lastest Price from 1,1'-Bi-2-naphthol manufacturers

Hebei Weibang Biotechnology Co., Ltd
Product
1,1'-Bi-2-naphthol 602-09-5
Price
US $10.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10 mt
Release date
2024-11-19
Shanghai UCHEM Inc.
Product
1,1'-Bi-2-naphthol 602-09-5
Price
US $12.00-130.00/g
Min. Order
1g
Purity
0.99
Supply Ability
25kg
Release date
2023-10-13
Hebei Mojin Biotechnology Co., Ltd
Product
1,1'-Bi-2-naphthol 602-09-5
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
50000KG/month
Release date
2023-09-01

602-09-5, 1,1'-Bi-2-naphtholRelated Search:

p-Naphtholbenzein 1-Naphthol Solvent Red 43 Phenmedipham Terbinafine Hydrochloride ALPHA-NAPHTHOLBENZEIN 2-Naphthol 1,1'-BI-2-NAPHTHOL BIS(TRIFLUOROMETHANESULFONATE) (R)-3,3μ-Diphenyl-2,2μ-bi-1-naphthalol, (R)-3,3μ-Diphenyl-2,2μ-bi-1-naphthol 5,5',6,6',7,7',8,8'-Octahydro-bi-2-naphthol,(R)-(+)-5,5',6,6',7,7',8,8'-Octahydro-1,1'-bi-2-naphthol,99% (R)-(-)1,1'-Bi-2-Naphthol Deacetate (S)-(-)-1,1&#39-Bi-2-naphthol,(S)-1,1 -BI-2-NAPHTHOL ***REVERSE***,S-(-)-1,1'-Bi-2-naphthol,99%(S)-BINOL,(S)-(−)-1,1'-Bi(2-naphthol) (R)-(+)-1,1'-Bi-2-naphthol (S)-1,1μ-Binaphthalene-2,2μ-diyl bis(trifluoromethanesulfonate), (S)-1,1μ-Bi(2-naphthol) bis(trifluoromethanesulfonate) (S)-(-)-3,3'-Dibromo-1,1'-bi-2-naphthol,99%,(S)-(-)-3,3&#39-Dibromo-1,1&#39-bi-2-naphthol (-1,1'-Bi-2-Naphthol Deacetate racemic-6,6'-Dibromo-1,1'-bi-2-naphthol,min.98%,(S)-(+)-6'-DIBROMO-1,1'-BI-2-NAPHTHOL,6,6''-DIBROMO-1,1''-BI-2-NAPHTHOL 95+% (S)-(-)-1,1''-BI-2-NAPHTHOL 99 E.E+%

  • AURORA KA-7212
  • BI-2-NAPHTHOL
  • DI-B-NAPHTHOL
  • (R)-(+)-1,1'-BI(2,2'-NAPHTHOL)
  • (+/-)-1,1A-Bi-2-naphthol
  • (+/-)-Binaphthalene-2,2-diol
  • (+/-)-BINOL
  • (+/-)-1,1'-BINAPHTHALENE-2,2'-DIOL
  • 1,1'-BI-2,2'-NAPHTHOLS
  • (+/-)-1,1'-BI(2-NAPHTHOL)
  • 1,1'-BI-2-NAPHTHOL
  • [1,1']BINAPHTHALENYL-2,2'-DIOL
  • 1,1'-BINAPHTHYL-2,2'-DIOL
  • 2,2'-DINAPHTHOL
  • (-)-2,2'-DIHYDROXY-1,1'-BINAPHTHYL
  • (+)-2,2'-DIHYDROXY-1,1'-BINAPHTHYL
  • (+/-)-2,2-DIHYDROXY-1,1'-BINAPHTHYL
  • 2,2'-DIHYDROXY-1,1'-BINAPHTHYL
  • (-)-2,2'-DIHYDROXY-1,1'-DINAPHTHYL
  • (+)-2,2'-DIHYDROXY-1,1'-DINAPHTHYL
  • (+/-)-2,2'-DIHYDROXY-1,1'-DINAPHTHYL
  • 2,2'-DIHYDROXY-1,1'-DINAPHTHYL
  • AKOS 90560
  • 1,1'-Bis-2-naphthol
  • 2,2’-dihydroxybinaphthalene
  • 2,2’-dihydroxydinaphthyl
  • 2,2'-Dihydroxy-1,1'-binaphthalene
  • 2,2'-Dihydroxybinaphthalene
  • 2,2'-Dihydroxydinaphthyl
  • alpha-Binaphthyl-2,2'-diol
  • beta-Binaphthol
  • Bis-beta-naphthol
  • di-beta-Naphthol
  • S-(-)-2,2'-DIHYDROXY-1,1'-DINAPHTHYL
  • (S)-[1,1'-BINAPHTHALENE]-2,2'-DIOL
  • S(-)-1,1'-BINAPHTHALENE-2,2'-DIOL
  • (S)-[1,1]-BINAPHTHALENYL-2,2'-DIOL
  • (S)-(-)-1,1'-BINAPHTHYL-2,2'-DIOL
  • (S)-(-)-1,1'-BI(2,2'-NAPHTHOL)
  • (R,S)-BINOL
  • (R)-(+)-2,2'-DIHYDROXY-1,1'-BINAPHTHYL
  • (R)-(+)-2,2'-DIHYDROXY-1,1-BINAPHTHYL
  • R(+)-1,1'-BINAPHTHALENE-2,2'-DIOL
  • 1,1'-Bi-2-nanphthol
  • 1,1'-Binaphthol
  • (±)-1,1'-Bi(2-naphthol),99%
  • (n)-1,1'-bi(2-naphthol)
  • 1,1'-Binaphthyl-2,2'-diol for synthesis
  • 215-217oC
  • (±)-1,1μ-Binaphthalene-2,2μ-diol, (±)-2,2μ-Dihydroxy-1,1μ-dinaphthyl
  • b-Binaphthol
  • 1,1Bi-2-Napthol
  • (RS)-1,1'-Bi-2-naphthol
  • No name available
  • racemic-1,1'-Bi-2-naphthol, 99% rac-BINOL
  • 1,1′-Bi-2-naphthol 99%
  • 1'-Bi-2-naphthol
  • rac-(+/-)-1,1'-Bi-2-naphthol (rac-BINOL)