1,2-Diaminonaphthalene | Solubility of Things

Identification

Molecular formula

C₁₀H₁₀N₂

CAS number

2243-62-1

IUPAC name

naphthalene-1,2-diamine

State

1,2-Diaminonaphthalene is typically in a solid state at room temperature and pressure.

Melting point (Celsius)

174.00

Melting point (Kelvin)

447.15

Boiling point (Celsius)

319.00

Boiling point (Kelvin)

592.15

General information

Molecular weight

158.20g/mol

Molar mass

158.2020g/mol

Density

1.1831g/cm³

Appearence

1,2-Diaminonaphthalene is a brown to tan solid that may darken upon exposure to air and light. It is commonly found as crystalline powder.

Comment on solubility

Solubility of Naphthalene-1,2-Diamine

Naphthalene-1,2-diamine, also known as 1,2-diaminonaphthalene, is a compound primarily characterized by its solubility properties, which can vary based on several factors. Understanding its solubility can help in various applications:

Solvent Type: Naphthalene-1,2-diamine is generally soluble in organic solvents such as ethanol, methanol, and acetone but exhibits limited solubility in water.
Temperature Dependence: Solubility increases with temperature; therefore, heating the solvent may improve its ability to dissolve the compound.
pH Influence: The solubility of Naphthalene-1,2-diamine can also be affected by the pH of the solution, with more acidic or basic conditions potentially enhancing solubility due to ionization.

As a rule of thumb, it is often stated that:

"Like dissolves like" - this means polar solvents are better suited for polar compounds, while non-polar solvents are more effective for non-polar compounds.
For naphthalene-1,2-diamine, using non-polar solvents will yield better solubility results.

In conclusion, while naphthalene-1,2-diamine has limited solubility in water, its behavior in organic solvents is much more promising, making it an important compound in various chemical processes.

Interesting facts

Interesting Facts about Naphthalene-1,2-diamine

Naphthalene-1,2-diamine, also known as 1,2-diaminonaphthalene, is an aromatic organic compound with unique properties and applications. Here are some fascinating aspects of this compound:

Structure & Reactivity: Naphthalene-1,2-diamine features two amino groups attached to a naphthalene ring. This positioning grants it interesting reactivity, enabling it to undergo various chemical reactions, including substitution and condensation.
Use in Dyes: This compound is often employed in the synthesis of azo dyes, which are vibrant coloring agents widely used in textile, food, and cosmetic industries. The presence of the amino groups is crucial in forming the azo bond, leading to bright and stable colors.
Pharmaceutical Applications: Naphthalene-1,2-diamine derivatives have been researched for their potential biological activities. Some studies suggest they may exhibit antimicrobial and anticancer properties, making them a topic of interest in drug development.
Analytical Chemistry: It is utilized as a reagent in analytical chemistry for the detection of specific ions and is crucial in developing various chemical assays due to its reactive nature.
Safety Considerations: When handling naphthalene-1,2-diamine, it’s essential to observe proper safety protocols. Like many amines, it can pose health risks if inhaled or ingested, underlining the importance of using personal protective equipment (PPE).

In summary, naphthalene-1,2-diamine is a versatile compound with significant industrial and research applications. Its reactivity and potential in various fields make it an essential subject of study in organic chemistry and materials science.

Synonyms

1,2-Naphthalenediamine

1,2-Diaminonaphthalene

naphthalene-1,2-diamine

938-25-0

1,2-NAPHTHYLENEDIAMINE

naphthalenediamine

NSC 62691

BRN 0637480

diaminonaphthalene

naphthalene diamine

NSC62691

Naphthalene, 1,2-diamino-

SCHEMBL64806

4-13-00-00337 (Beilstein Handbook Reference)

DTXSID20870808

1,2-diaminonaphthalene, AldrichCPR

NSC-62691

AKOS006228444

SB75831

38096-30-9

DB-057436

CS-0330151

G85907