Skip to main content

2-methyl-3-nitrobenzoic acid

ADVERTISEMENT
Identification
Molecular formula
C8H7NO4
CAS number
83-40-9
IUPAC name
2-methyl-3-nitro-benzoic acid
State
State

At room temperature, 2-methyl-3-nitrobenzoic acid is a solid. It is stable under normal conditions but should be kept in a dry, cool place to prevent degradation or reaction with moisture.

Melting point (Celsius)
140.00
Melting point (Kelvin)
413.15
Boiling point (Celsius)
345.00
Boiling point (Kelvin)
618.15
General information
Molecular weight
181.15g/mol
Molar mass
181.1570g/mol
Density
1.4345g/cm3
Appearence

2-Methyl-3-nitrobenzoic acid is typically found as a crystalline powder. It can appear as yellowish crystals due to the presence of the nitro group. The crystalline nature gives it a definitive solid structure, usually forming plates or prisms under crystallization.

Comment on solubility

Solubility of 2-methyl-3-nitro-benzoic acid

2-methyl-3-nitro-benzoic acid, with the chemical formula C9H9NO3, exhibits variable solubility characteristics primarily influenced by its molecular structure and the presence of functional groups.

This compound is known to be:

  • Soluble in organic solvents such as alcohol and acetone.
  • Less soluble in water, which is common for aromatic carboxylic acids. This limited solubility can often be attributed to:
    • The hydrophobic nature of the aromatic ring.
    • The size and branching of the alkyl group, which can hinder interaction with water molecules.

In practice, the solubility can be affected by various factors:

  1. Temperature: Solubility typically increases with temperature.
  2. pH levels: As a carboxylic acid, 2-methyl-3-nitro-benzoic acid can dissociate in alkaline conditions, potentially increasing its solubility in basic solutions.
  3. Presence of other solutes: Miscibility with other compounds can lead to complex solubility behaviors.

In summary, while 2-methyl-3-nitro-benzoic acid is not highly soluble in water, its solubility in organic solvents makes it a versatile compound in many chemical applications. Understanding its solubility profile is crucial for its effective use in research and industry.

Interesting facts

Interesting Facts About 2-methyl-3-nitro-benzoic Acid

2-methyl-3-nitro-benzoic acid is a fascinating compound that belongs to the class of aromatic carboxylic acids. Its molecular structure features a benzene ring with both a nitro group and a carboxylic acid group, making it a useful compound in organic synthesis and materials science.

Unique Properties and Uses

This compound presents several intriguing properties and applications:

  • Versatile Intermediate: 2-methyl-3-nitro-benzoic acid serves as an important intermediate in the synthesis of various pharmaceuticals, agrochemicals, and dyes.
  • Photochemical Activity: The presence of both the nitro and carboxylic acid functional groups enables the compound to participate in photochemical reactions, which can be valuable in the development of light-sensitive materials.
  • Potential as a Precursor: It can be further transformed into other useful compounds, showcasing its versatility in organic chemistry.

Chemical Behavior

This compound exhibits interesting acid-base properties due to its carboxylic acid group. For example:

  • The acidic proton can easily dissociate in solution, allowing it to function as a proton donor.
  • The presence of the nitro group increases the acidity of the carboxylic group, making this compound stronger than many simple benzoic acids.

Environmental and Safety Considerations

As with many nitro-containing compounds, 2-methyl-3-nitro-benzoic acid must be handled with care:

  • Health Risks: Exposure to nitro compounds can pose health risks, including potential carcinogenic effects, making proper safety protocols essential.
  • Environmental Impact: Its degradation products can also be a concern, thus necessitating careful disposal and environmental considerations.

In summary, 2-methyl-3-nitro-benzoic acid not only exemplifies the richness of aromatic chemistry but also underscores the importance of responsibly managing such compounds in research and industry.

Synonyms
2-METHYL-3-NITROBENZOIC ACID
1975-50-4
3-Nitro-o-toluic acid
Benzoic acid, 2-methyl-3-nitro-
3-nitro-2-methylbenzoic acid
EINECS 217-826-4
DTXSID7025637
0SI17D349B
DTXCID405637
METHYL-3-NITROBENZOIC ACID, 2-
o-Toluic acid, 3-nitro-
BENZOIC ACID, 2-METHYL-3-NITRO
217-826-4
MFCD00007160
3-Nitro-2-methyl benzoic acid
2-Methyl-3-nitrobenzoicacid
UNII-0SI17D349B
2-methyl-3-nitro-benzoic acid
NCGC00091604-01
methyl 3-nitrobenzoic acid
3-nitro-2-methybenzoic acid
Oprea1_641068
SCHEMBL33663
MLS002454366
2-methyl-3-nitro benzoic acid
CHEMBL1487536
HMS3039B15
BCP24500
Tox21_201228
BBL019291
STL199615
2-Methyl-3-nitrobenzoic acid, 99%
AKOS000120247
AKOS025395639
AC-2645
FM37813
PS-6005
NCGC00091604-02
NCGC00258780-01
SMR001371990
SY002381
CAS-1975-50-4
DB-021334
CS-0030570
M0892
NS00021809
EN300-20432
Q27237202
F2191-0034
Z104478182
InChI=1/C8H7NO4/c1-5-6(8(10)11)3-2-4-7(5)9(12)13/h2-4H,1H3,(H,10,11