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4-amino-2-methyl-1-naphthol

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Identification
Molecular formula
C11H11NO
CAS number
2217-54-9
IUPAC name
4-amino-2-methyl-naphthalen-1-ol
State
State

At room temperature, 4-amino-2-methyl-1-naphthol is typically found in a solid crystalline state. It is stable under standard conditions but should be stored away from strong oxidizing agents.

Melting point (Celsius)
208.00
Melting point (Kelvin)
481.15
Boiling point (Celsius)
430.20
Boiling point (Kelvin)
703.35
General information
Molecular weight
173.21g/mol
Molar mass
173.2070g/mol
Density
1.2637g/cm3
Appearence

4-Amino-2-methyl-1-naphthol appears as a light yellow or brown solid. It is usually available in powder form and is known for its use in dye and pigment manufacturing due to its vibrant color properties.

Comment on solubility

Solubility of 4-amino-2-methyl-naphthalen-1-ol

4-amino-2-methyl-naphthalen-1-ol, a compound featuring an amino group and a hydroxyl group, demonstrates notable solubility characteristics in various solvents. The solubility can be influenced by factors including pH, temperature, and the presence of other solutes.

Water Solubility

This compound exhibits **moderate solubility** in water due to the presence of the hydroxyl (-OH) group, which can engage in hydrogen bonding with water molecules. Key points to consider include:

  • The amino group also contributes to its hydrophilicity, enhancing solubility in polar solvents.
  • However, the bulky naphthalene structure can limit solubility in water compared to smaller, fully hydrophilic compounds.

Solubility in Organic Solvents

4-amino-2-methyl-naphthalen-1-ol tends to be more soluble in organic solvents such as ethanol, methanol, and acetone. This is due to:

  • The less polar nature of these solvents, which can effectively solvate the non-polar naphthalene portion of the molecule.
  • Increased temperature often leads to an increase in solubility in organic solvents, making it more favorable for various applications.

In summary, the solubility of 4-amino-2-methyl-naphthalen-1-ol is a balance between its polar and non-polar characteristics. To quote, "Understanding the solubility of compounds is essential in both industrial applications and in biological systems," highlighting the importance of such properties in practical scenarios.

Interesting facts

Interesting Facts about 4-Amino-2-methyl-naphthalen-1-ol

4-Amino-2-methyl-naphthalen-1-ol is a fascinating compound due to its unique structural features and versatile applications. Here are some key points to consider:

  • Structure: This compound showcases a naphthalene backbone, which is a polycyclic aromatic hydrocarbon consisting of two fused benzene rings. The presence of an amino group and a hydroxyl group significantly influences its reactivity.
  • Chemical Reactivity: The hydroxyl (-OH) group in 4-amino-2-methyl-naphthalen-1-ol allows for hydrogen bonding, which can enhance solubility in polar solvents and facilitate various chemical reactions.
  • Biological Activity: Compounds like 4-amino-2-methyl-naphthalen-1-ol are often studied for their potential pharmacological properties. Various derivatives of naphthalene have been found to exhibit antimicrobial and anti-inflammatory activities.
  • Dye Applications: This compound can serve as a precursor to various dyes and pigments, owing to the fact that aromatic compounds are commonly used in dye manufacturing due to their stability and vivid colors.
  • Research Significance: In materials science and organic chemistry, 4-amino-2-methyl-naphthalen-1-ol is often used in the synthesis of novel materials and as a building block for complex structures.
  • Environmental Impact: Understanding compounds like this is crucial, as naphthalene derivatives can have significant environmental implications. Some are toxic, prompting researchers to explore safer alternatives in various applications.

In summary, 4-amino-2-methyl-naphthalen-1-ol is not just another compound; it represents a rich area of exploration in both synthetic chemistry and applied sciences. Its structural characteristics and potential uses make it an intriguing subject for further research.

Synonyms
Vitamin k5
4-Amino-2-methyl-1-naphthol
83-70-5
4-amino-2-methylnaphthalen-1-ol
Synkamin
Synkamin base
1-Naphthalenol, 4-amino-2-methyl-
2-Methyl-4-amino-1-naphthol
3-Methyl-4-hydroxy-1-naphthylamine
4-Amino-2-methyl-1-naphthalenol
1-Hydroxy-2-methyl-4-aminonaphthalene
2-Methyl-4-amino-1-hydroxynaphthalene
1-NAPHTHOL, 4-AMINO-2-METHYL-
UNII-KKP97T7O0X
KKP97T7O0X
BRN 2719282
Synkamin; Synkamin base
VITAMIN K5 BASE
4-Amino-2-methyl-1-naphthalenol, hydrochloride
VITAMIN K5 [MI]
89298-62-4
CHEMBL5191355
DTXSID3075042
3-13-00-01920 (Beilstein Handbook Reference)
4-Amino-2-methyl-1-hydroxynaphthalene
4-Hydroxy-3-methyl-1-naphthylammonium chloride
VitaminK5
1-Naphthol, 4-amino-2-methyl-, hydrochloride (8CI)
SCHEMBL318448
DTXCID6048337
CHEBI:195927
BCP09306
HY-B1814
BDBM50597708
AKOS006273533
4-Amino-2-methyl-1-naphthalenol, 9CI
4-AMINO-2-METHYL-1-NAPHTHOL HCI
DA-49693
CS-0013859
NS00006537
EN300-332177
Q27282311
Vitamin k5;1-hydroxy-2-methyl-4-aminonaphthalene;2-methyl-4-amino-1-hydroxynaphthalene;2-methyl-4-amino-1-naphthol;3-methyl-4-hydroxy-1-naphthylamine;4-Amino-2-methyl-1-naphthol