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2,2'-Binaphthol

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Identification
Molecular formula
C20H14O2
CAS number
602-09-5
IUPAC name
1-(2-hydroxy-1-naphthyl)naphthalen-2-ol
State
State

At room temperature, 2,2'-Binaphthol is in a solid state, typically appearing as a crystalline powder.

Melting point (Celsius)
215.00
Melting point (Kelvin)
488.15
Boiling point (Celsius)
572.00
Boiling point (Kelvin)
845.15
General information
Molecular weight
286.33g/mol
Molar mass
286.3200g/mol
Density
1.3530g/cm3
Appearence

2,2'-Binaphthol appears as an off-white to beige colored solid. It is a crystalline compound that may appear as a powder or in a crystalline solid form.

Comment on solubility

Solubility of 1-(2-hydroxy-1-naphthyl)naphthalen-2-ol

1-(2-hydroxy-1-naphthyl)naphthalen-2-ol, also known as a derivative of naphthol, exhibits interesting solubility characteristics that are important for its applications. This compound is largely insoluble in water due to its substantial hydrophobic nature linked to its naphthalene structures. However, it shows a higher degree of solubility in various organic solvents.

Solubility Profile

  • Soluble in organic solvents: It can dissolve in solvents like ethanol, methanol, and acetone, making it useful in organic synthesis.
  • Limited aqueous solubility: Its polar functional groups do not sufficiently overcome the hydrophobic character, resulting in low solubility in water.
  • Temperature dependence: Solubility may increase slightly with temperature, a common phenomenon observed in many organic compounds.

In summary, the solubility of 1-(2-hydroxy-1-naphthyl)naphthalen-2-ol can be attributed to its structural properties, making it a fascinating compound for further studies in different solvents. Scientists often remark that “understanding solubility is key to mastering reactions,” and this compound serves as an excellent example of that principle.

Interesting facts

Exploring 1-(2-hydroxy-1-naphthyl)naphthalen-2-ol

1-(2-hydroxy-1-naphthyl)naphthalen-2-ol, often referred to as a naphthol derivative, boasts a rich tapestry of chemical characteristics that captivate scientists and chemists alike. Below are some compelling facts about this fascinating compound:

  • Structural Intricacy: This compound features an elegant structure that comprises two naphthalene units, interconnected by a hydroxyl group, which enhances its aromatic properties.
  • Biological Significance: Many derivatives of naphthol are known for their biological activities, and this specific compound is no exception; it has been researched for potential use in pharmaceuticals.
  • Colorimetric Applications: Naphthol compounds are often employed in colorimetric assays, making this compound valuable in analytical chemistry.
  • Historical Context: Naphthalene, the backbone of this compound, has been used since antiquity in various applications, from dyes to insecticides.

As noted by renowned chemist Jan H. van Dongen, "The structure-function relationship in naphthol derivatives opens new avenues for research in organic synthesis and drug discovery." This perspective not only underscores the relevance of 1-(2-hydroxy-1-naphthyl)naphthalen-2-ol but also highlights the broader implications of studying such compounds. The ongoing exploration of its properties may lead to advancements in fields such as medicine, environmental science, and material science.

With ongoing research and its importance in various applications, the intrigue surrounding 1-(2-hydroxy-1-naphthyl)naphthalen-2-ol continues to grow, paving the way for exciting discoveries in the future.

Synonyms
1,1'-Bi-2-naphthol
602-09-5
(S)-(-)-1,1'-Bi-2-naphthol
[1,1'-Binaphthalene]-2,2'-diol
binol
(S)-BINOL
beta-Binaphthol
(S)-Binaphthol
1,1'-Binaphthyl-2,2'-diol
2,2'-Dinaphthol
2,2'-Dihydroxy-1,1'-binaphthyl
Chiral binaphthol
Bis-beta-naphthol
2,2'-Dihydroxy-1,1'-dinaphthyl
1,1'-Bis-2-naphthol
2,2'-Dihydroxydinaphthyl
(S)-(-)-BINOL
2,2'-Dihydroxybinaphthalene
(-)-Binol
.beta.-Binaphthol
Binol, (-)-
(-)-1,1'-Bis(2-naphthol)
(-)-2,2'-Binaphthol
Bis-.beta.-naphthol
alpha-Binaphthyl-2,2'-diol
2,2'-Dihydroxy-1,1'-binaphthalene
(-)-Bi-beta-naphthol
(-)-1,1'-Bi-2-naphthol
(S)-2,2'-Dihydroxy-1,1'-binaphthyl
Binol (S)-(-)-form [MI]
(S)-2,2'-Dihydroxy-1,1'-binaphthalene
EINECS 210-014-0
54OT5RRV4C
(RS)-1,1'-Bi-2,2'-naphthol
(S)-(-)-2,2'-Dihydroxy-1,1'-binaphthyl
NSC 27049
(S)-(-)-2,2'-Dihydroxy-1,1'-binaphthalene
BRN 0997518
.alpha.-Binaphthyl-2,2'-diol
AI3-19388
(1,1'-BINAPHTHALENE)-2,2'-DIOL
NSC-27049
BINOL [MI]
(-)-(1S)-(1,1'-Binaphthalene)-2,2'-diol
(1,1'-Binaphthalene)-2,2'-diol, (S)-(-)-
(S)-1,1'-binaphthalene-2,2'-diol
BINOL, (S)-
25AB254328
DTXSID9060526
EC 606-050-5
(-)-BI-.BETA.-NAPHTHOL
4-06-00-07020 (Beilstein Handbook Reference)
(RS)-1,1'-BI-2-NAPHTHOL
rac-2,2'-dihydroxy-1,1'-binaphthyl
(R)-1,1'-Binaphthalene-2,2'-diol
RACEMIC 2,2'-DIHYDROXY-1,1'-BINAPHTHYL
DTXCID7042770
BINOL (S)-(-)-FORM
606-048-4
606-050-5
(+-)-1,1'-bi-2-naphthol
(+-)-1,1'-binaphthalene-2,2'-diol
(+-)-1,1'-binaphthyl-2,2'-diol
(+-)-1,1'-bis(2-naphthol)
(+-)-2,2'-dihydroxy-1,1'-binaphthalene
(+-)-2,2'-dihydroxy-1,1'-binaphthyl
(+-)-2,2'-dihydroxy-1,1'-dinaphthyl
(+-)-bi-.beta.-naphthol
(+-)-bi-beta-naphthol
(+-)-binol
inchi=1/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/h1-12,21-22
18531-94-7
18531-99-2
(R)-(+)-1,1'-Bi-2-naphthol
(R)-[1,1'-Binaphthalene]-2,2'-diol
(R)-BINOL
(S)-[1,1'-binaphthalene]-2,2'-diol
r-(+)-1,1'-bi-2-naphthol
(R)-1,1'-Bi-2-naphthol
1-(2-hydroxynaphthalen-1-yl)naphthalen-2-ol
(R)-Binaphthol
(R)-(+)-1,1'-Bi(2-naphthol)
MFCD00004068
(R)-(+)-BINOL
Binol, (+)-
(1S)-[1,1'-binaphthalene]-2,2'-diol
(R)-Bi-2-naphthol
(s)-1,1'-bi-2-naphthol
(+)-Bi-2-naphthol
(+)-1,1'-Bis(2-naphthol)
(r)-(+)-1,1-bi-2-naphthol
(+)-2,2'-Binaphthol
(+)-2,2'-Dihydroxy-1,1'-dinaphthyl
(+)-1,1'-Bi-2-naphthol
(+/-)-1,1'-Binaphthalene-2,2'-diol
Binol (R)-(+)-form [MI]
(+/-)-1,1'-bi-2-naphthol
M6IDZ128WT
(+)-2,2'-dihydroxy-1,1'-binaphthyl
(R)-(1,1'-Binaphthalene)-2,2'-diol
(+)-2,2'-Dihydroxy-1,1'-binaphthalene
(+/-)-2,2'-Dihydroxy-1,1'-dinaphthyl
(+)-(R)-2,2'-dihydroxy-1,1'-binaphthyl
(+/-)-BINOL
(+)-(1R)-(1,1'-Binaphthalene)-2,2'-diol
(1,1'-Binaphthalene)-2,2'-diol, (R)-(+)-
(S)-(-)-1,1-Bi-2-naphthol
(+/-)-BI-.BETA.-NAPHTHOL
(+/-)-1,1'-BIS(2-NAPHTHOL)
(S)-1,1'-Bi-2,2'-naphthol
(R)-(+)-2,2'-Dihydroxy-1,1'-binaphthyl
(+/-)-1,1'-BINAPHTHYL-2,2'-DIOL
(+/-)-2,2'-DIHYDROXY-1,1'-BINAPHTHYL
s-(-)-1,1'-bi-2-naphthol
(+/-)-2,2'-DIHYDROXY-1,1'-BINAPHTHALENE
(S)-(-)-1,1'-Bi(2-naphthol)
1-(2-hydroxy-1-naphthalenyl)-2-naphthalenol
1-(2-oxidanylnaphthalen-1-yl)naphthalen-2-ol
(+)-Bi-beta-Naphthol
UNII-54OT5RRV4C
UNII-M6IDZ128WT
UNII-25AB254328
2,1'-binaphthyl
[1,1']Binaphthalenyl-2,2'-diol
(+/-)-1,1'-Bi(2-naphthol)
2,1'-binaphthalene
(1r)-[1,1'-binaphthalene]-2,2'-diol
(r)-2,2'-dihydroxy-[1,1']-binaphthyl
(s)-2,2'-binaphthol
(R)-2,2'-Binaphthol
(r)-(+)-bi-2-naphthol
SCHEMBL29027
1,1a(2)-Bi-2-naphthol
BINOL, (R)-
CHEMBL138718
(5)-1,1'-bi-2-naphthol
CHEBI:189881
(+)-BI-.BETA.-NAPHTHOL
(+/-)-BI-BETA-NAPHTHOL
1,1'-Bi-2-naphthol, 99%
2,2'-dihydroxyl-1,1'-binaphthyl
BCP23136
BCP23230
BCP30910
CS-D1439
NSC27049
(r)-1,1'-binaphthyl-2,2'-diol
(s)-1,1'-binaphthyl-2,2'-diol
[1,1']-binaphthalenyl-2,2'-diol
(S)-(-)-1,1'-bi-2-naphtol
(+)-1,1'-Binaphthyl-2,2'-diol
(-)-1,1'-Binaphthyl-2,2'-diol
(R)-(+)-1,1`-Bi-2-naphthol
(S)-(+)-1,1`-Bi-2-naphthol
(S)-(-)-1,1`-Bi-2-naphthol
AKOS000280003
AKOS015950645
AKOS015950732
(S)-(-)-1,1\'-bi-2-naphthol
AC-2795
AC-6133
CS-W018498
CS-W020139
FB01811
FB04526
FD07749
GS-3437
(R)-(+)-1,1\'-Bi-2-naphthol
rac-[1,1'-Binaphthalene]-2,2'-diol
Benzamide,N-(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)-2-[2-(dimethylamino)ethoxy]-
BP-21310
(r)-2,2'-dihydroxy-1,1'-binaphthalene
r-(+)-2,2'-dihydroxy-1,1'-dinaphthyl
DB-002116
(1R)-2,2'-Dihydroxy-[1,1']-binaphthyl
(1S)-2,2'-Dihydroxy-[1,1']-binaphthyl
B0461
B1100
B1142
NS00005394
(R)-(+)-2,2'-Dihydroxy-1,1'-dinaphthyl
2,2'-DIHYDROXY-[1,1']-BINAPHTHYL
EN300-67379
(R)-(+)-1,1'-Bi(2-naphthol), 99%
(S)-(-)-1,1'-Bi(2-naphthol), 99%
(R)-(+)-2,2'-Dihydroxy-1,1'-binaphthalene
A812947
A832643
Q161292
( inverted exclamation markA)-1,1'-Bi(2-naphthol)
(R)-1-(2-Hydroxynaphthalen-1-yl)naphthalen-2-ol
(R)-(+)-1
R-(+)-2,2-Dihydroxy-1,1-dinaphthyl; (R)-BINOL
S-(-)-2,2-Dihydroxy-1,1-binaphthyl; (S)-BINOL
(R)-(+)-1,1 inverted exclamation marka-Bi(2-naphthol)
F0001-0669
(+/-)-1,1'-Binaphthalene-2,2'-diol; 2,2'-Dihydroxy-1,1'-binaphthyl