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3-Methylnaphthalen-2-amine

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Identification
Molecular formula
C11H11N
CAS number
2146-41-8
IUPAC name
3-methylnaphthalen-2-amine
State
State

3-Methylnaphthalen-2-amine is typically a solid at room temperature. The compound maintains its crystalline structure under normal conditions and does not transition to a liquid state until heated to its melting point.

Melting point (Celsius)
92.00
Melting point (Kelvin)
365.15
Boiling point (Celsius)
356.00
Boiling point (Kelvin)
629.15
General information
Molecular weight
157.21g/mol
Molar mass
157.2110g/mol
Density
1.0400g/cm3
Appearence

3-Methylnaphthalen-2-amine is typically found as a crystalline solid. It may appear as off-white to light yellow due to impurities. Its precise crystalline form can consist of granules or fine powder, which may have a characteristic aromatic odor due to the naphthalene ring structure.

Comment on solubility

Solubility of 3-Methylnaphthalen-2-amine

The solubility of 3-methylnaphthalen-2-amine, a compound characterized by its aromatic structure, presents interesting aspects worth discussing. This compound can be understood through its unique interactions with solvents.

Solvent Interaction

When considering solubility, we can categorize solvents into two main types: polar and non-polar. Due to the nature of 3-methylnaphthalen-2-amine:

  • Polar solvents: Generally, this compound exhibits limited solubility in polar solvents such as water. This is due to its hydrophobic naphthalene ring, which resists interaction with water molecules.
  • Non-polar solvents: In contrast, it shows significantly better solubility in non-polar solvents (e.g., hexane or toluene). This is primarily because of its hydrophobic characteristics and aromatic nature, which align more favorably with non-polar environments.

Temperature Dependence

Additionally, the solubility of 3-methylnaphthalen-2-amine can be influenced by temperature:

  • As temperature increases, solubility in non-polar solvents tends to enhance, thus increasing the kinetic energy and mobility of the molecules.
  • Conversely, the dissolution in polar solvents does not present significant improvements, remaining relatively low.

In summary, while 3-methylnaphthalen-2-amine demonstrates limited solubility in polar solvents, it thrives in non-polar environments, highlighting the importance of solvent choice in chemical processes involving this compound.

Interesting facts

3-methylnaphthalen-2-amine: An In-Depth Look

3-methylnaphthalen-2-amine, also known in the chemical community as a derivative of naphthalene, presents a fascinating exploration into the realm of aromatic amines. As a compound with two fused rings, its structure contributes to unique properties and reactivity patterns that are of great interest to chemists.

Key Facts:

  • Aromatic Character: The presence of the naphthalene moiety bestows this compound with significant stability and distinctive aromatic characteristics, making it attractive for various applications in organic synthesis.
  • Substituent Influence: With a methyl group located on the third position, this compound exhibits interesting substitution effects that can influence the electrophilicity of the aromatic rings.
  • Applications: Compounds like 3-methylnaphthalen-2-amine are often explored in the development of dyes, pigments, and pharmaceuticals, showcasing their versatility in both industrial and research settings.
  • Toxicological Considerations: While engaging with 3-methylnaphthalen-2-amine, it's crucial to approach this compound with caution due to potential health risks associated with aromatic amines, including carcinogenicity.

The study of 3-methylnaphthalen-2-amine not only exemplifies the intricate nature of organic chemistry but also emphasizes the importance of structure and functional groups in understanding reactivity and application. As the field continues to advance, ongoing research is expected to unveil even more intriguing properties and uses for this compound.

Synonyms
3-Methyl-2-naphthylamine
2-Naphthalenamine, 3-methyl-
2-Amino-3-methylnaphthalene
3-Methyl-2-naphthalenamine
2-NAPHTHYLAMINE, 3-METHYL-
24TD1NM2XL
NSC 136515
BRN 2716046
UNII-24TD1NM2XL
NSC-136515
3-Methyl-2-aminonaphthalene
DTXSID40147140
4-12-00-03205 (Beilstein Handbook Reference)
METHYL-2-NAPHTHYLAMINE, 3-
DTXCID9069631
2-Naphthalenamine, 3-methyl-(9CI)
bjiciotxnbtoaj-uhfffaoysa-n
3-methylnaphthalen-2-amine
10546-24-4
NSC136515
CHEMBL84042
WLN: L66J CZ D1
SCHEMBL5150194
SCHEMBL5174934
AKOS006277936
SB76021
DB-357154
CS-0108597
D88160
EN300-193326
Q26840786