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1,1'-Binaphthyl

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Identification
Molecular formula
C20H14
CAS number
605-95-0
IUPAC name
1-(1-naphthyl)naphthalene
State
State

At room temperature, 1,1'-Binaphthyl is in a solid state. It is relatively non-volatile and stable under standard conditions.

Melting point (Celsius)
154.00
Melting point (Kelvin)
427.15
Boiling point (Celsius)
387.00
Boiling point (Kelvin)
660.15
General information
Molecular weight
254.32g/mol
Molar mass
254.3190g/mol
Density
1.2000g/cm3
Appearence

1,1'-Binaphthyl appears as a crystalline, white to off-white solid. It is a polycyclic aromatic hydrocarbon notable for its planar structure, which results from the stacking of two naphthalene units.

Comment on solubility

Solubility of 1-(1-naphthyl)naphthalene

1-(1-naphthyl)naphthalene, a biphenyl derivative, displays intriguing solubility characteristics that are influenced by its molecular structure. This compound is known for its:

  • Low solubility in water: As a polycyclic aromatic hydrocarbon (PAH), it is largely hydrophobic, making it sparingly soluble in aqueous solutions.
  • Better solubility in organic solvents: It tends to dissolve more readily in non-polar organic solvents such as ether, benzene, and toluene. This behavior is typical of many PAHs due to their aromatic nature.
  • Temperature dependence: Like many organic compounds, the solubility of 1-(1-naphthyl)naphthalene can vary with temperature. Generally, increased temperature can lead to an enhanced solubility in organic solvents.

In practical terms, the low aqueous solubility limits its application in water-based systems, which is an important consideration in fields such as environmental chemistry and synthesis of chemical compounds. Therefore, for experiments or formulations involving this compound, priority should be given to non-polar solvents to ensure better solubility and optimal use.

Interesting facts

Interesting Facts About 1-(1-naphthyl)naphthalene

1-(1-naphthyl)naphthalene, also known as α-phenyl naphthalene, is a fascinating organic compound primarily used in the fields of chemistry and materials science. This compound has a unique structure formed by the fusion of two naphthalene units, making it an important element in various applications. Here are some notable aspects:

  • Conjugated system: The dual naphthalene rings create a large π system, leading to interesting electronic properties. This conjugation enhances its stability and makes it useful in organic electronics.
  • Applications: 1-(1-naphthyl)naphthalene finds use in diverse applications ranging from dyes and pigments to flame retardants, due to its stability and unique color characteristics.
  • Chemical reactions: The compound can participate in various chemical reactions, including electrophilic substitutions, which are crucial for forming complex organic molecules.
  • Polymeric Chemistry: It serves as a model compound in polymer chemistry, helping scientists understand the behavior of similar aromatic compounds in polymeric systems.
  • Research Value: 1-(1-naphthyl)naphthalene is also a subject of study in fundamental research, as it provides insights into the behavior of aromatic systems in solutions and under various external conditions.

In summary, 1-(1-naphthyl)naphthalene is not just a noteworthy compound due to its structure, but it also plays a vital role in advancing our understanding of organic chemistry and materials science. As noted by chemists, “Its unique properties make it an invaluable substance in both theoretical and practical applications.”

Synonyms
1,1'-Binaphthalene
1,1'-BINAPHTHYL
604-53-5
Di-.alpha.-naphthol
Di-alpha-naphthol
EINECS 210-070-6
NSC 15230
NSC-15230
NSC-662279
T87T28S609
AI3-18146
.ALPHA.,.ALPHA.'-BINAPHTHYL
ALPHA,ALPHA'-BINAPHTHYL
210-070-6
(+-)-binaphthyl
inchi=1/c20h14/c1-3-11-17-15(7-1)9-5-13-19(17)20-14-6-10-16-8-2-4-12-18(16)20/h1-14
binaphthyl
BINAPHTHALENE
1-(naphthalen-1-yl)naphthalene
1,1'-Dinaphthyl
1-naphthalen-1-ylnaphthalene
1,1'-Binaphtyl
MFCD00041740
(+/-)-BINAPHTHYL
NSC662279
11068-27-2
alpha,alpha'-Dinaphthylene
1-(1-naphthyl)naphthalene
UNII-T87T28S609
1,1/'-Binaphthyl
1,1\'-Binaphthalene
1,1PR-BINAPHTHYL
1-naphthalen-1-ylnaphthalin
1,1'-Binaphthyl, 98%
I+/-,.I+/-'-binaphthyl
.alpha.,.alpha.'-Dinaphthylene
DTXSID70870671
(A+/-)-1,1a(2)-Binaphthyl
NSC15230
AKOS000352081
AC-4950
CS-W014087
PB47311
AS-14353
SY037129
1,1 inverted exclamation mark -Binaphthyl
DB-050497
B0805
NS00044074
Q27289804