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1-Hydroxy-2-naphthoic acid

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Identification
Molecular formula
C11H8O3
CAS number
86-48-6
IUPAC name
1-hydroxynaphthalene-2-carboxylic acid
State
State

At room temperature, 1-Hydroxy-2-naphthoic acid is a solid.

Melting point (Celsius)
204.00
Melting point (Kelvin)
477.15
Boiling point (Celsius)
407.00
Boiling point (Kelvin)
680.15
General information
Molecular weight
188.18g/mol
Molar mass
188.1760g/mol
Density
1.4544g/cm3
Appearence

1-Hydroxy-2-naphthoic acid typically appears as an off-white to light yellow crystalline powder. It may also be found in needle-like crystallized forms.

Comment on solubility

Solubility of 1-hydroxynaphthalene-2-carboxylic acid

1-hydroxynaphthalene-2-carboxylic acid, also known as 2-hydroxy-1-naphthoic acid, exhibits interesting solubility characteristics due to its chemical structure. This compound's solubility can be influenced by various factors:

  • Polarity: The presence of both hydroxyl (-OH) and carboxylic acid (-COOH) functional groups contributes to molecular polarity, making it more soluble in polar solvents like water.
  • pH Dependency: The solubility will be affected by the pH of the solution. In acidic conditions, the carboxylic acid group remains mostly protonated, which can enhance solubility.
  • Solvent Interaction: It is also soluble in organic solvents such as ethanol and acetone, which indicates a degree of non-polar character.

Furthermore, it can be noted that:

  • Temperature: Generally, increasing temperature can lead to higher solubility for most solid compounds.
  • Concentration: At higher concentrations, the solubility may exhibit saturation limits.

In conclusion, the solubility of 1-hydroxynaphthalene-2-carboxylic acid is influenced by its functional groups and the nature of the solvent, making it a compound of interest in both aqueous and organic solutions.

Interesting facts

Interesting Facts about 1-Hydroxynaphthalene-2-Carboxylic Acid

1-Hydroxynaphthalene-2-carboxylic acid, often referred to as beta-naphthol-2-carboxylic acid, is a fascinating compound with notable applications in various fields of chemistry and industry. Here are some interesting highlights:

  • Structured Versatility: This compound consists of a naphthalene ring system with a hydroxyl group and a carboxylic acid group, which gives it distinct properties that make it useful in both synthetic and natural processes.
  • Indicator Properties: 1-Hydroxynaphthalene-2-carboxylic acid is known for its behavior as a pH indicator, providing visual color changes that are crucial in titrations and other analytical methods.
  • Biological Relevance: Research highlights its potential roles in metabolic pathways and its significance in understanding the chemistry of naphthalene derivatives, which are often associated with biological activity.
  • Industrial Applications: This compound finds a place in the dye industry, especially in the synthesis of azo dyes, thanks to its functional groups that can be easily modified.
  • Health Hazards: Despite its utility, it's worth noting that 1-hydroxynaphthalene derivatives can exhibit toxicity and potential environmental hazards, necessitating caution during handling and application.

As you explore the chemistry of this compound, consider how the combination of functional groups enhances its reactivity and applicability. As a chemist, understanding the properties and behaviors of compounds like 1-hydroxynaphthalene-2-carboxylic acid paves the way for innovations in both research and manufacturing.

Synonyms
1-Hydroxy-2-naphthoic acid
86-48-6
1-hydroxynaphthalene-2-carboxylic acid
1-Naphthol-2-carboxylic acid
2-Carboxy-1-naphthol
2-Naphthalenecarboxylic acid, 1-hydroxy-
Xinafoic acid
1-HYDROXY-2-NAPHTHALENECARBOXYLIC ACID
2-Naphthoic acid, 1-hydroxy-
MFCD00003960
CARBOXYNAPHTHOL
U8LZ3R07L8
CHEBI:36108
NSC 3717
NSC-3717
EINECS 201-674-0
AI3-28524
CHEMBL229299
DTXSID5058937
1-HYDROXY-NAPHTHALENE-2-CARBOXYLIC ACID
1-HYDROXY-2-NAPHTHOIC ACID [MI]
1-Hydroxy-2-naphthoicacid
alpha-Hydroxynaphthoic acid
UNII-U8LZ3R07L8
2Carboxy1naphthol
1HN
LDHA Inhibitor, 5
alphaHydroxynaphthoic acid
1Naphthol2carboxylic acid
2Naphthoic acid, 1hydroxy
bmse000689
C03203
Oprea1_291089
SCHEMBL25244
.alpha.-Hydroxynaphthoic acid
1 -hydroxy-2-naphthoic acid
DTXCID0048503
NSC3717
1Hydroxy2naphthalenecarboxylic acid
HMS1719F05
2Naphthoic acid, 1hydroxy (8CI)
hydroxynaphthalene-2-carboxylic acid
BBL027444
BDBM50219487
s6364
STL373496
2-Naphthoic acid, 1-hydroxy-(8CI)
2Naphthalenecarboxylic acid, 1hydroxy
AKOS001080081
CS-W016819
FH24210
FS-3779
HY-W016103
1-hydroxy-2-naphthalene carboxylic acid
1-Hydroxynaphthalenecarboxylic acid-(2)
1-oxidanylnaphthalene-2-carboxylic acid
1-Hydroxy-2-naphthoic acid, >=97.0%
AC-13237
BP-12641
SY007524
DB-056929
H0279
H0796
NS00022846
EN300-16632
D70638
Q27104334
Z56347239
F2191-0001
1-Hydroxy-2-naphthalenecarboxylic acid;1-Naphthol-2-carboxylic acid
201-674-0
InChI=1/C11H8O3/c12-10-8-4-2-1-3-7(8)5-6-9(10)11(13)14/h1-6,12H,(H,13,14