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3,4-Dimethylaniline

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Identification
Molecular formula
C8H11N
CAS number
95-64-7
IUPAC name
3,4-dimethylaniline
State
State

At room temperature, 3,4-Dimethylaniline is typically in a liquid state. It is slightly denser than water and has a distinct odor characteristic of aromatic amines.

Melting point (Celsius)
16.00
Melting point (Kelvin)
289.00
Boiling point (Celsius)
221.00
Boiling point (Kelvin)
494.00
General information
Molecular weight
121.18g/mol
Molar mass
121.1790g/mol
Density
0.9830g/cm3
Appearence

3,4-Dimethylaniline typically appears as a colorless to pale yellow liquid. It might darken upon exposure to air and light due to oxidation.

Comment on solubility

Solubility of 3,4-Dimethylaniline

3,4-Dimethylaniline, with the chemical formula C9H13N, exhibits notable solubility characteristics due to its molecular structure. Being an amine with two methyl groups on the aromatic ring, its behavior in solvents can be analyzed based on various factors:

  • Polar vs. Non-Polar Solvents: 3,4-Dimethylaniline is primarily soluble in organic solvents such as ethanol, acetone, and chloroform, while it has limited solubility in water. This is because the hydrophobic aromatic ring contributes to lower affinity for polar solvents.
  • Effect of Temperature: Solubility tends to increase with temperature. Therefore, higher temperatures may enhance the dissolution of 3,4-dimethylaniline in suitable organic solvents.
  • Concentration: At higher concentrations, solubility may become saturated, leading to the formation of a precipitate if enough solvent is not present.
  • pH Influence: Although being a weak base, the solubility of 3,4-dimethylaniline can be affected by pH levels, where a more acidic environment can protonate the amine group, potentially changing its solubility profile.

In summary, while 3,4-dimethylaniline is not highly soluble in water, it exhibits good solubility in various organic compounds, particularly under conditions that favor dissolution. Understanding these solubility behaviors is crucial for applications in organic synthesis and industrial processes.

Interesting facts

Interesting Facts About 3,4-Dimethylaniline

3,4-Dimethylaniline is an aromatic amine that has garnered attention in various fields due to its unique structural and chemical properties. Here are some fascinating aspects of this compound:

  • Chemical Structure: The compound features a benzene ring substituted with two methyl groups attached to the nitrogen atom. This substitution pattern affects its reactivity and interaction with other chemicals.
  • Applications: 3,4-Dimethylaniline is widely used in the production of dyes, pigments, and pharmaceuticals. Its derivatives can be involved in synthesizing a range of organic compounds.
  • Biological Importance: Chemical compounds similar to 3,4-dimethylaniline are often studied for their potential toxicity. Understanding their effects on biological systems is crucial for assessing risks associated with their use.
  • Environmental Impact: Research indicates that amines can react with other environmental pollutants, leading to complex interactions in ecosystems. Monitoring its presence and behavior in different habitats is vital for environmental chemistry.
  • Historical Significance: The compound is significant in the context of scientific discovery. It has been part of research investigating the deeper understanding of aromatic compounds and their applications in modern chemistry.

In summary, 3,4-dimethylaniline is not just an ordinary amine but a compound rich in applications and scientific implications. Its structural characteristics and chemical behavior open avenues for exploration in multiple fields, from industrial applications to toxicology.

Synonyms
3,4-Dimethylaniline
95-64-7
3,4-XYLIDINE
4-Amino-o-xylene
Benzenamine, 3,4-dimethyl-
3,4-Xylylamine
3,4-Dimethylbenzenamine
3,4-Dimethylphenylamine
1-Amino-3,4-dimethylbenzene
3,4-Dimethylaminobenzene
4-Amino-1,2-dimethylbenzene
Aniline, 3,4-dimethyl
3,4-Dimethylbenzeneamine
3,4-dimethylbenzene-1-amine
CCRIS 4741
DTXSID3026308
HSDB 2095
Benzene, 4-amino-1,2-dimethyl-
UNII-R27I33AIDT
EINECS 202-437-4
NSC 41800
BRN 0507414
CHEBI:39901
AI3-22779
NSC-41800
Aniline, 3,4-dimethyl-
R27I33AIDT
XYLIDINE, 3,4-
DTXCID406308
3,4-XYLIDINE [HSDB]
EC 202-437-4
4-12-00-02502 (Beilstein Handbook Reference)
XYLIDINE 3,4-DIMETHYLBENZENAMINE
Benzenamine,4-dimethyl-
XYLIDINE 3,4-DIMETHYLBENZENAMINE [MI]
WLN: ZR C1 D1
3,4-dimetylaniline
MFCD00007810
3,4-dimethyl aniline
4-Amino-1,2-xylene
3,4-dimethyl-phenylamine
4-AMINO-O-TOLUENE
(3,4-dimethylphenyl)amine
SCHEMBL33278
3,4-Dimethylaniline, 98%
MLS002302996
BIDD:GT0847
(3,4-dimethyl-phenyl)-amine
CHEMBL1230039
NSC7099
HMS3039N06
NSC-7099
NSC41800
STR00577
Tox21_200058
STL169144
AKOS000119113
DB03018
PS-4095
CAS-95-64-7
NCGC00091393-01
NCGC00091393-02
NCGC00257612-01
34A
AC-10833
PD007454
SMR001307311
DB-021935
D0670
NS00006565
EN300-19070
3-ethyl-4-hydroxy-pyrido[1,2-a]pyrimidin-2-one
Q4634078
3506D145-E251-4BEA-B1C2-57DE580CBCA1
F2190-0465
Z104472552
202-437-4