Skip to main content

2-Methylnaphthalen-1-amine

ADVERTISEMENT
Identification
Molecular formula
C11H11N
CAS number
5299-57-0
IUPAC name
2-methylnaphthalen-1-amine
State
State

At room temperature, 2-Methylnaphthalen-1-amine is a solid, exhibiting a crystalline structure. Due to its relatively high melting point of around 45 °C, it may soften slightly at temperatures approaching standard room temperature, but it remains solid under typical indoor conditions.

Melting point (Celsius)
45.00
Melting point (Kelvin)
318.15
Boiling point (Celsius)
328.00
Boiling point (Kelvin)
601.15
General information
Molecular weight
157.22g/mol
Molar mass
157.2210g/mol
Density
1.0670g/cm3
Appearence

2-Methylnaphthalen-1-amine is typically found in crystalline solid form, exhibiting a pale yellow appearance. The compound is insoluble in water but can dissolve in organic solvents, such as methanol or chloroform. Its solid-state may vary depending on purity and specific conditions of storage.

Comment on solubility

Solubility of 2-methylnaphthalen-1-amine

2-methylnaphthalen-1-amine, a derivative of naphthalene, exhibits interesting solubility characteristics that can be influenced by various factors. Here are some key points to consider:

  • Solvent Affinity: This compound is generally more soluble in organic solvents than in water. Solvents like ethanol, methanol, and acetone can often dissolve 2-methylnaphthalen-1-amine effectively due to hydrophobic interactions.
  • Temperature Dependence: The solubility of 2-methylnaphthalen-1-amine tends to increase with rising temperature, a common trend for many organic compounds. Higher temperatures can promote more effective molecular interactions with solvent molecules.
  • pH Influence: Being an amine, the solubility of this compound can be affected by the pH of the solution. In acidic conditions, the amine group may get protonated, which may enhance solubility in aqueous solutions compared to its neutral form.

Overall, while 2-methylnaphthalen-1-amine has limited solubility in polar solvents, its affinity for organic solvents and behavior under varying temperatures and pH levels make it an intriguing compound for further exploration in various chemical contexts.

Interesting facts

Interesting Facts About 2-Methylnaphthalen-1-amine

2-Methylnaphthalen-1-amine is a fascinating compound that features both a naphthalene structure and an amine functional group, offering a variety of interesting chemical properties and applications.

Chemical Structure and Properties

  • Polycyclic Aromatic Hydrocarbon: Being derived from naphthalene, this compound exhibits a unique aromatic character that influences its chemical reactivity.
  • Amine Functional Group: The presence of the amine group makes it a candidate for reactions typical of amines, including nucleophilic substitutions and the formation of salts with acids.

Applications

  • Chemical Synthesis: 2-Methylnaphthalen-1-amine is often used as an intermediate in the synthesis of various dyes, pharmaceuticals, and agrochemicals.
  • Fluorescent Dyes: Its structural properties allow it to be part of fluorescence studies, enhancing our understanding of molecular interactions.

Biological Importance

Research indicates that various amine compounds can exhibit biological activity, which opens pathways for pharmacological studies regarding 2-methylnaphthalen-1-amine:

  • Potential Drug Development: As researchers investigate new therapeutic compounds, understanding amines like this one could yield novel medicinal agents.
  • Environmental Impact: The compound's persistence in environmental studies points to the need for further examination regarding its ecological effects.

In summary, 2-methylnaphthalen-1-amine serves as an intriguing example of how simple structural variations can lead to significant differences in reactivity and application in both chemistry and biology. Its roles in synthesis and potential in medicinal chemistry continue to make it a subject of research and interest among chemists today.

Synonyms
1-Amino-2-methylnaphthalene
2246-44-8
2-Methyl-1-naphthylamine
2-Methyl-1-naftylamin
1-NAPHTHYLAMINE, 2-METHYL-
2-Methyl-1-naftylamin [Czech]
BRN 2042530
2-Methyl-1-naphthalenamine
UEU388PI4W
DTXSID40176995
3-12-00-03102 (Beilstein Handbook Reference)
DTXCID1099486
629-014-0
2-methylnaphthalen-1-amine
C11H11N
MFCD00059135
Naphthalenamine, methyl-
1-Naphthalenamine, 2-methyl-
UNII-UEU388PI4W
EN300-1590031
2-Methyl-1-naphthalenamine; 1-Amino-2-methylnaphthalene; 2-Methyl-1-aminonaphthalene; 2-Methyl-1-naphthylamine;
2-methyl-1-aminonaphthalene
SCHEMBL157730
2-Methyl-1-naphthalenamine #
CHEBI:233447
BDBM626029
CAA24644
AKOS006221190
CS-W014335
SB75735
SY050539
DB-045928
A0917
2-Methyl-1-naphthylamine, >=98.0% (GC)
5P-039
D81911
EN300-107940
Q27291048