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1-Naphthylamine

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Identification
Molecular formula
C10H9N
CAS number
134-32-7
IUPAC name
naphthalen-1-amine
State
State
At room temperature, 1-Naphthylamine exists as a solid. It typically forms as crystalline powder and needs to be handled with care due to its potential health effects.
Melting point (Celsius)
50.50
Melting point (Kelvin)
323.70
Boiling point (Celsius)
300.00
Boiling point (Kelvin)
573.00
General information
Molecular weight
143.19g/mol
Molar mass
143.1870g/mol
Density
1.0949g/cm3
Appearence

1-Naphthylamine is a solid often found in the form of crystalline powder. It can appear as grey, off-white, or slightly brownish depending on purity and storage conditions. Its appearance can be misleading without proper purification as it may exhibit various colors if impurities are present.

Comment on solubility

Solubility of Naphthalen-1-amine

Naphthalen-1-amine (C10H9N) is an organic compound that displays interesting solubility characteristics. Typically, its solubility can be influenced by several factors, including the polarity of the solvent used and the temperature. Here are some key points regarding the solubility of naphthalen-1-amine:

  • Polar and Non-Polar Solvents: Naphthalen-1-amine is moderately soluble in organic solvents such as ethanol and methanol, but it has limited solubility in water due to its hydrophobic naphthalene ring structure.
  • Temperature Effects: Like many organic compounds, the solubility of naphthalen-1-amine typically increases with temperature. Higher temperatures can promote greater dissolution in various solvents.
  • Hydrogen Bonding: While naphthalen-1-amine can engage in hydrogen bonding due to the amino group (-NH2), the bulky naphthalene moiety limits its interactions with polar solvents.

In summary, the solubility of naphthalen-1-amine is influenced by its structure and the medium it is in. Understanding its solubility properties is essential for its applications in chemical synthesis and other industrial processes.

Interesting facts

Interesting Facts about Naphthalen-1-amine

Naphthalen-1-amine, also known as 1-amino-naphthalene, is a fascinating compound that belongs to the class of organic aromatic amines. Its structure comprises a naphthalene ring with an amino group (-NH2) at the first position, leading to some compelling properties and applications. Here are some intriguing aspects of this compound:

  • Historical Significance: Naphthalen-1-amine has played a crucial role in the development of azo dyes. These dyes are widely used in textiles, providing vibrant colors and improving fabric lifespan.
  • Industrial Applications: Besides its use in dye production, naphthalen-1-amine serves as an important intermediate in the synthesis of agrochemicals, pharmaceuticals, and other organic compounds.
  • Reactivity: The presence of the amino group makes naphthalen-1-amine a site for electrophilic substitution reactions. This allows for the introduction of various functional groups into the naphthalene framework, expanding its chemical diversity.
  • Toxicity Considerations: Like many aromatic amines, naphthalen-1-amine poses potential health risks, including carcinogenic properties. Overall safety measures and regulations must be adhered to while handling this compound.
  • Research Frontiers: Scientists continue to explore the potential of naphthalen-1-amine derivatives in various fields, including materials science and medicinal chemistry, due to their unique electron-donating properties and structural versatility.

In summary, naphthalen-1-amine is not just an important building block for dyes and chemicals; it also sketches a broader picture of the intersection of chemistry, industry, and environmental health. As researchers uncover new uses and transform our understanding of its properties, the significance of this compound continues to grow.

Synonyms
1-NAPHTHYLAMINE
1-Aminonaphthalene
134-32-7
naphthalen-1-amine
1-Naphthalenamine
alpha-Naphthylamine
Naphthalen-1-ylamine
Naphthalidine
Naphthalidam
1-Naphthalamine
Fast Garnet Base B
1-Naphthylamin
1-Naftilamina
alpha-Aminonaphthalene
Alfanaftilamina
Fast Garnet B Base
1-Aminonaftalen
1-Naftylamine
1-Naftylamin
Alfa-naftyloamina
RCRA waste number U167
.alpha.-Naphthylamine
alpha-Naftalamin
alpha-Naftylamin
C.I. Azoic Diazo Component 114
1-Naftylamin [Czech]
1-Naftylamine [Dutch]
1-Aminonaftalen [Czech]
1-Naftilamina [Spanish]
1-Naphthylamin [German]
Alfanaftilamina [Italian]
alpha-Naftalamin [Czech]
alpha-Naftylamin [Czech]
alfa-Naftyloamina [Polish]
CCRIS 423
.alpha.-Aminonaphthalene
CI Azoic Diazo Component 114
CHEBI:50450
1-Naphthylamine, technical grade
1-naphtylamine
HSDB 1080
EINECS 205-138-7
UN2077
BRN 0386133
CI 37265
DTXSID7020920
AI3-00085
C.I. 37265
1-NAPHTHYLAMINE [MI]
CHEMBL57394
DTXCID30920
1-NAPHTHYLAMINE [HSDB]
1-NAPHTHYLAMINE [IARC]
9753I242R5
EC 205-138-7
4-12-00-03009 (Beilstein Handbook Reference)
MFCD00004016
1-Naphthylamine-d7
1-Naftylamin (Czech)
Naphthalene, 1-amino-
alpha-Naftalamin (Czech)
alpha Naphthylamine
25168-10-9
1-NAFTYLAMINE (DUTCH)
1-NAPHTHYLAMINE (IARC)
1-AMINONAFTALEN (CZECH)
1-NAFTILAMINA (SPANISH)
1-NAPHTHYLAMIN (GERMAN)
ALPHA-NAFTYLAMIN (CZECH)
ALFANAFTILAMINA (ITALIAN)
ALFA-NAFTYLOAMINA (POLISH)
Naphthaleneamine
1-Naphthylamine, analytical standard
1 Naphthylamine
1 Aminonaphthalene
8 Aminonaphthalene
8-Aminonaphthalene
CAS-134-32-7
1-NAPHYLAMINE
RCRA waste no. U167
alphaNaftalamin
alphaNaftylamin
1naphthylamine
aminonaphthalene
naphthyl-amine
alfaNaftyloamina
1Aminonaftalen
1Naphthalamine
1Naphthylamin
1Naftilamina
1Naftylamin
1Naftylamine
1-napthylamine
1Naphthalenamine
1aminonaphthalene
alphanaphthylamine
1-aminonaphthalen
1-naphthyl amine
1-naphthaleneamine
UNII-9753I242R5
1-amino napthalene
1-naphthalenylamine
.alpha.-Naftalamin
.alpha.-Naftylamin
alphaAminonaphthalene
naphthalen-1-yl-amine
SCHEMBL9029
NAPHTHYLAMINE (ALPHA)
1Naphthylamine, technical grade
SCHEMBL7738276
SCHEMBL8059977
1-Naphthylamine, >=99.0%
alpha-Naphthylamine (DOT:OSHA)
1-Naphthylamine, p.a., 99.0%
DDA83253
DDA83256
Nitrate Reagent A, for microbiology
Tox21_201233
Tox21_302805
BBL013044
BDBM50282489
STK301604
AKOS000119159
FN26153
UN 2077
NCGC00091092-01
NCGC00091092-02
NCGC00091092-03
NCGC00091092-04
NCGC00256472-01
NCGC00258785-01
AC-10635
AS-13623
alpha-Naphthylamine [UN2077] [Poison]
DB-063020
N0052
N0165
NS00010844
EN300-18066
AB00443633-03
A806762
Q161655
Z57127984
F2190-0453
1-Aminonaphthalene;Fast garnet base B;Naphthalen-1-ylamine
205-138-7
5I2