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2-Aminonaphthalene

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Identification
Molecular formula
C10H9N
CAS number
91-60-1
IUPAC name
naphthalen-2-amine
State
State

At room temperature, 2-Aminonaphthalene exists as a solid.

Melting point (Celsius)
111.00
Melting point (Kelvin)
384.15
Boiling point (Celsius)
306.50
Boiling point (Kelvin)
579.65
General information
Molecular weight
143.19g/mol
Molar mass
143.1870g/mol
Density
1.1890g/cm3
Appearence

2-Aminonaphthalene typically appears as a light yellow solid. The compound's appearance can vary slightly depending on the purity and specific form it is in, such as a powder or crystalline solid.

Comment on solubility

Solubility of Naphthalen-2-amine

Naphthalen-2-amine, with the chemical formula C10H9N, is characterized by its aromatic structure, which influences its solubility in different solvents. Understanding its solubility behavior is crucial for various applications including synthesis and formulation. Here's what you need to know:

  • Solvent Interaction: Naphthalen-2-amine is primarily soluble in organic solvents such as ethanol, dichloromethane, and ether. These solvents can effectively solvate the compound due to their non-polar characteristics.
  • Limited Water Solubility: The compound has low solubility in water, which can be attributed to its non-polar naphthalene ring that resists interaction with polar water molecules. As a result, one might consider it a hydrophobic compound.
  • Temperature Effects: Like many organic compounds, the solubility of naphthalen-2-amine may increase with temperature. Therefore, heating the solvent may improve its dissolution rate.
  • pH Influence: The solubility can also be affected by the pH of the solution. In acidic conditions, protonation can increase the solubility due to the formation of a positively charged amine.

In summary, while naphthalen-2-amine exhibits a notable solubility in organic solvents, its limited water solubility highlights the importance of solvent selection in chemical processing. The intricate balance of solubility factors makes naphthalen-2-amine a fascinating compound for study in various chemical contexts.

Interesting facts

Interesting Facts about Naphthalen-2-amine

Naphthalen-2-amine, known for its intriguing structure and properties, is an important aromatic amine that plays a significant role in various chemical applications. Here are some captivating aspects of this compound:

  • Chemical Structure: Naphthalen-2-amine features a naphthalene backbone, a fused bicyclic compound made up of two aromatic rings. The amine (-NH2) group is located on the second carbon of the naphthalene, influencing its reactivity and interactions.
  • Applications: This compound is used in the production of dyes, pigments, and pharmaceuticals. Its ability to undergo electrophilic substitution reactions allows it to serve as a precursor in the synthesis of various intermediates.
  • Toxicity and Safety: As with many aromatic amines, naphthalen-2-amine may present health risks if not handled properly. It is essential to use personal protective equipment (PPE) and adhere to safety protocols when working with this compound in the laboratory.
  • Research Significance: The study of naphthalen-2-amine is significant in organic chemistry and materials science, as it contributes to the development of advanced materials and the understanding of molecular interactions.
  • Structural Insights: Its planar structure allows for stacking interactions typical of aromatic compounds, which can be pivotal in applications involving molecular sensors and electronic materials.

In summary, naphthalen-2-amine is not just a simple aromatic amine; it embodies a range of chemical properties and applications that make it a fascinating subject of study in both academia and industry. As we delve deeper into its molecular characteristics, we uncover a world of potential innovations in chemical synthesis and material science.

Synonyms
2-NAPHTHYLAMINE
2-Aminonaphthalene
91-59-8
naphthalen-2-amine
2-Naphthalenamine
beta-Naphthylamine
6-Naphthylamine
beta-Naftilamina
2-Naphthalamine
2-Naphthylamin
2-Naphtylamine
Fast Scarlet Base B
Naphthalen-2-ylamine
2-Aminonaftalen
2-Naftylamine
2-Naftylamin
beta-Naphthylamin
.beta.-Naphthylamine
RCRA waste number U168
beta-Naftalamin
beta-Naftylamin
USAF CB-22
2-naftilamina
beta-naftyloamina
2-Naphthylamine mustard
CCRIS 424
C.I. 37270
CHEBI:27878
HSDB 1131
UNII-CKR7XL41N4
2-naphthaleneamine
EINECS 202-080-4
CKR7XL41N4
UN1650
2-Amino-naphthalene
CI 37270
DTXSID2020921
AI3-02912
C10-H9-N
2-NAPHTHYLAMINE [MI]
DTXCID60921
.BETA.-AMINONAPHTHALENE
2-NAPHTHYLAMINE [HSDB]
2-NAPHTHYLAMINE [IARC]
BNA
UN 1650
naphthalene, 2-amino-
2-NAPHTHYLAMINE (IARC)
2-Naftylamin [Czech]
2-Naftylamine [Dutch]
beta-Naftalamin [Czech]
beta-Naftylamin [Czech]
2 Naphthylamine
612-52-2
2-Aminonaftalen [Czech]
2-Naphthylamin [German]
|A-Naphthylamine
beta Naphthylamine
beta-Naftilamina [Italian]
beta-Naftyloamina [Polish]
beta-Naphthylamin [German]
CAS-91-59-8
2 Aminonaphthalene
RCRA waste no. U168
naftilamina
naphthylamin
napthylamine
Aminonaphthalin
betaNaftalamin
betaNaftilamina
betaNaftylamin
2naphthylamine
betaNaftyloamina
betaNaphthylamin
2Aminonaftalen
2Naphthalamine
2Naphthylamin
6Naphthylamine
2Naftylamin
2Naftylamine
2naphthalenamine
betanaphthylamine
2-napthylamine
2aminonaphthalene
2-aminonapthalene
2-naphthyl amine
.beta.-Naftalamin
.beta.-Naftylamin
.beta.-Naftilamina
.beta.-naftyloamina
2-aminonaphthylamine
beta-aminonaphthalene
.beta.-Naphthylamin
MFCD00004112
beta-amino-naphthalene
2Naphthylamine mustard
B-naphthylamine isopac
2-Naphthylamine, powder
NAPHTHYLAMINE (BETA)
SCHEMBL76713
MLS002302990
CHEMBL278164
2-Naphthylamine, Purity >97%
CHEBI:50448
beta-Naphthylamine (ACGIH:OSHA)
HMS3091M06
BCP25782
CS-M0912
TDA95194
2-Naphthylamine, analytical standard
Tox21_202091
Tox21_300048
BDBM50520351
STL163340
AKOS000119160
FN26154
GS-3283
NCGC00091131-01
NCGC00091131-02
NCGC00091131-03
NCGC00254076-01
NCGC00259640-01
beta-Naphthylamine [UN1650] [Poison]
SMR001252278
DB-005971
NS00020126
EN300-21274
C02227
2-Aminonaphthalene 10 microg/mL in Acetonitrile
Q209450
2-Aminonaphthalene;?-Naphthylamine;2-Naphthalenamine
2-Aminonaphthalene 1000 microg/mL in Dichloromethane
F0701-0038
Z104494980
202-080-4