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Methyl Orange

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Identification
Molecular formula
C14H15N3O
CAS number
547-58-0
IUPAC name
N,N-dimethyl-4-phenylazo-benzeneamine oxide
State
State

At room temperature, Methyl Orange is typically in a solid state, appearing as an orange powder. It is commonly used in laboratories because of its clear color change over a particular pH range.

Melting point (Celsius)
300.50
Melting point (Kelvin)
573.65
Boiling point (Celsius)
345.00
Boiling point (Kelvin)
618.15
General information
Molecular weight
327.37g/mol
Molar mass
327.3650g/mol
Density
1.2800g/cm3
Appearence

Methyl Orange typically appears as an orange powder or crystalline solid. It exhibits a bright orange color when used as a pH indicator in acidic solutions and transitions to yellow in more neutral pH environments. Its vibrant color change is utilized for detecting the endpoint of titrations.

Comment on solubility

Solubility of N,N-dimethyl-4-phenylazo-benzeneamine oxide

N,N-dimethyl-4-phenylazo-benzeneamine oxide tends to exhibit interesting solubility characteristics, which can vary based on several factors. Notably, the solubility of this compound is influenced by:

  • Polarity: Due to its azo group and phenyl substituent, this compound has considerable polarity, which can enhance its solubility in organic solvents.
  • Temperature: Like many organic compounds, solubility often increases with temperature, making hot solvents more effective for dissolution.
  • pH Levels: The solubility may also vary with changing pH, especially since the amine oxide can interact with acids or bases.

It's important to note that this compound is typically more soluble in organic solvents such as ethanol, acetone, and dimethyl sulfoxide (DMSO), but may demonstrate limited solubility in polar solvents like water. In general, when considering solubility, one might find that:

  1. Increased dispersion: Non-polar solvents help dissolve the hydrophobic parts.
  2. Functional group interactions: Polar solvents might not be effective due to the bulky aromatic system.

In summary, understanding the solubility of N,N-dimethyl-4-phenylazo-benzeneamine oxide encompasses a complex interplay of molecular characteristics and external conditions, making it a fascinating compound for study.

Interesting facts

Interesting Facts about N,N-dimethyl-4-phenylazo-benzeneamine oxide

N,N-dimethyl-4-phenylazo-benzeneamine oxide is a fascinating compound with various applications in the field of chemistry. Here are several noteworthy attributes:

  • Azo Compounds: This compound belongs to the family of azo compounds, characterized by the presence of the -N=N- functional group. Azo compounds are renowned for their vibrant colors, making them essential in the dye and pigment industry.
  • Applications in Dyes: N,N-dimethyl-4-phenylazo-benzeneamine oxide is often utilized in the synthesis of dyes, particularly for textiles and printing. Its ability to produce vivid colors is attributed to its structural configuration, which facilitates light absorption.
  • Medicinal Chemistry: Beyond its use in dyes, this compound exhibits potential in medicinal chemistry. Some azo compounds have been explored for their biological activities, including antimicrobial and anti-inflammatory properties, opening avenues for pharmacological investigations.
  • Research Significance: Researchers often study azo compounds like N,N-dimethyl-4-phenylazo-benzeneamine oxide to understand their electronic properties and stability. This contributes to the development of advanced materials and sensors with optimized performance.
  • Synthetic Pathways: The synthesis of this compound typically involves the diazotization of amines followed by coupling reactions. Such processes highlight important techniques in organic chemistry that aid in the construction of complex molecular architectures.

In summary, N,N-dimethyl-4-phenylazo-benzeneamine oxide is more than just an organic compound; it stands at the intersection of color science, materials research, and potential medicinal applications. Its unique properties and synthesis pathways make it a subject of interest in scientific inquiry.

Synonyms
2747-31-1
Dab-N-oxide
4-Dimethylaminoazobenzene amine N-oxide
N,N-Dimethylaminoazobenzene-N-oxide
N,N-Dimethyl-4-aminoazobenzene N-oxide
N,N-Dimethyl-p-phenylazoaniline-N-oxide
C.I. Solvent Yellow 2, N-oxide
ANILINE, N,N-DIMETHYL-p-PHENYLAZO-, N-OXIDE
DTXSID601031094
DTXSID601043639
AKOS024338380
N,N-Dimethyl-4-[(E)-phenyldiazenyl]benzenamine N-oxide
118527-25-6