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Butter Yellow

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Identification
Molecular formula
C15H15N3
CAS number
60-11-7
IUPAC name
N,N-dimethyl-4-(m-tolylazo)aniline
State
State

At room temperature, Butter Yellow exists as a solid. It remains stable under normal conditions but can decompose upon exposure to light and elevated temperatures. It is typically handled in powder or crystalline form in laboratory settings.

Melting point (Celsius)
114.00
Melting point (Kelvin)
387.15
Boiling point (Celsius)
389.00
Boiling point (Kelvin)
662.15
General information
Molecular weight
225.31g/mol
Molar mass
225.3060g/mol
Density
1.1390g/cm3
Appearence

Butter Yellow is an orange-yellow crystalline solid. It is known for its vibrant and distinct coloration, often appearing with a shiny reflective surface. The color can range from light yellow to a deeper orange depending on the purity and physical form.

Comment on solubility

Solubility of N,N-dimethyl-4-(m-tolylazo)aniline

N,N-dimethyl-4-(m-tolylazo)aniline (C15H15N3) exhibits notable solubility characteristics that are important for its applications in various fields. Here are some key points regarding its solubility:

  • Solvent Interaction: This compound is generally soluble in organic solvents such as ethanol and methanol, which facilitate its use in dye formulations.
  • Aqueous Solubility: Its solubility in water is limited, which is a common characteristic of many organic compounds containing aromatic groups. This is primarily due to hydrophobic interactions that hinder dissolution.
  • Temperature Dependency: Solubility can be influenced by temperature; higher temperatures usually increase solubility in organic solvents.
  • pH Influence: The solubility of aniline derivatives can be affected by the pH of the solution. Acidic conditions may enhance the solubility of such compounds due to protonation.

In summary, while N,N-dimethyl-4-(m-tolylazo)aniline is soluble in a variety of organic solvents, its limited solubility in water illustrates its hydrophobic nature and considerations required during its application in chemical processes. Careful selection of solvents is crucial to maximize its solubility and effectiveness.

Interesting facts

Interesting Facts about N,N-Dimethyl-4-(m-tolylazo)aniline

N,N-Dimethyl-4-(m-tolylazo)aniline is a fascinating compound that belongs to the category of azo dyes, which are widely used in various industries. Here are some intriguing insights about this compound:

  • Structure and Functionality: This compound features an azo group, which is characterized by the presence of a nitrogen-nitrogen double bond (–N=N–). This group is crucial because it imparts vivid colors to the compound, making it an important player in the dye industry.
  • Applications: N,N-Dimethyl-4-(m-tolylazo)aniline is commonly employed in the textile industry for dyeing fabrics. The brightness and stability of the color it produces make it desirable for applications in:
    • Textiles
    • Paper production
    • Food coloring
  • Research Relevance: Beyond its practical applications, this compound is often studied in the field of chemistry for its interesting photochemical properties. Researchers examine how the dye’s structure affects its light absorption and stability, which can lead to advancements in both synthetic dyes and materials science.
  • Environmental Impact: The use of azo dyes has raised environmental concerns due to potential toxicity and carcinogenic effects associated with some dyes. This compound serves as a reminder of the need for sustainable practices and the development of safer alternatives in the dye industry.

In conclusion, N,N-dimethyl-4-(m-tolylazo)aniline exemplifies the balance between functionality in industrial applications and the responsibilities associated with chemical safety. Its colorful presence enhances our everyday lives, while simultaneously prompting discussions around environmental sustainability and chemical safety.

Synonyms
3'-Methyl-4-dimethylaminoazobenzene
55-80-1
MDAB
3'-Mdab
4-Dimethylamino-3'-methylazobenzene
3'-Me-Dab
3'-Methylbuttergelb
3'-Methyl-4-(dimethylamino)azobenzene
m'-Methyl-p-dimethylaminoazobenzene
3'-Methyl-dab
N,N-Dimethyl-p-(m-tolylazo)aniline
Methyldimethylaminoazobenzene
4-(Dimethylamino)-3'-methylazobenzene
3'-Methyl-4-dimethylaminoazobenzen
3',N,N-Trimethyl-4-aminoazobenzene
3'-Methyldimethylaminoazobenzol
N,N-dimethyl-4-[(3-methylphenyl)diazenyl]aniline
4-(N,N-Dimethylamino)-3'-methylazobenzene
Aniline, N,N-dimethyl-p-(m-tolylazo)-
3'-Methyl-N,N-dimethyl-4-aminoazobenzene
3'-Methyl-4-(N,N-dimethylamino)azobenzene
3'-Methyl-4-(dimethylamine)azobenzene
3'Methyl-dab
N,N-Dimethyl-4-(m-tolylazo)aniline
3-METHYL-4'-(DIMETHYLAMINO)AZOBENZENE
NSC 59783
Aniline, N,N-dimethyl-p-(3'-methylphenylazo)-
Benzenamine, N,N-dimethyl-4-((3-methylphenyl)azo)-
SXK3ZE3U4Q
N,N-Dimethyl-4-((3-methylphenyl)azo)benzenamine
Benzenamine, N,N-dimethyl-4-[(3-methylphenyl)azo]-
MLS001170875
DTXSID8020838
NSC-59783
N,N-Dimethyl-4-[(E)-(3-methylphenyl)diazenyl]aniline
SMR000595639
(E)-N,N-dimethyl-4-(m-tolyldiazenyl)aniline
DTXCID70809628
Benzenamine, N,N-dimethyl-4-(2-(3-methylphenyl)diazenyl)-
CAS-55-80-1
1081821-70-6
3'-Methylbuttergelb [German]
CCRIS 1131
HSDB 5071
N,N-dimethyl-4-[(3-methylphenyl)azo]benzenamine
EINECS 200-243-4
UNII-SXK3ZE3U4Q
N,N-Dimethyl-4-(2-(3-methylphenyl)diazenyl)benzenamine
N,N-Dimethyl-4-[2-(3-methylphenyl)diazenyl]benzenamine
BRN 0747123
3'-Methyldimethylaminoazobenzol [German]
AI3-50459
3'-Methyl-4-dimethylaminoazobenzen [Czech]
3-methyl-4'-dimethylaminoazobenzene
MFCD00048014
cid_5934
SCHEMBL410347
CHEMBL1521514
BDBM76731
CHEBI:76329
WLN: 1N1&R DNUNR C1
DTXSID90858996
LVTFSVIRYMXRSR-UHFFFAOYSA-N
LVTFSVIRYMXRSR-WUKNDPDISA-N
3',N-Trimethyl-4-aminoazobenzene
HMS2914J07
NSC59783
Aniline,N-dimethyl-p-(m-tolylazo)-
Tox21_201755
Tox21_303022
3''-Methyl-4-dimethylaminoazobenzene
dimethyl-[4-(m-tolylazo)phenyl]amine
AKOS001025575
AKOS030748438
NCGC00245984-01
NCGC00245984-02
NCGC00256428-01
NCGC00259304-01
N,N-dimethyl-4-(3-methylphenyl)azoaniline
(E)-4-(dimethylamino)-3'-methylazobenzene
DB-052802
N,N,3'-TRIMETHYL-4-AMINOAZOBENZENE
M0207
NS00033399
D91288
Benzenamine,N-dimethyl-4-[(3-methylphenyl)azo]-
N,N-DIMETHYL-4-(3-METHYLPHENYLAZO)ANILINE
3-METHYL-4'-(DIMETHYLAMINO)AZOBENZENE [HSDB]
N,N-Dimethyl-4-[(3-methylphenyl)diazenyl]aniline #
Q26841226
Q27145887
Z56755444
N,N-dimethyl-4-[(1E)-2-(3-methylphenyl)diazen-1-yl]aniline