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3-Methylbenzaldehyde

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Identification
Molecular formula
C8H8O
CAS number
620-23-5
IUPAC name
3-methylbenzaldehyde
State
State

3-Methylbenzaldehyde is a liquid at room temperature. It is utilized in the synthesis of various organic compounds and can often be found in specialized chemical supply stockrooms.

Melting point (Celsius)
-11.00
Melting point (Kelvin)
262.15
Boiling point (Celsius)
204.00
Boiling point (Kelvin)
477.15
General information
Molecular weight
120.15g/mol
Molar mass
120.1480g/mol
Density
1.0176g/cm3
Appearence

3-Methylbenzaldehyde is a clear, colorless to slightly yellow liquid. It has an aromatic, almond-like odor. Like many aromatic aldehydes, it is prone to oxidation, which can lead to a darker coloration upon exposure to air over time.

Comment on solubility

Solubility of 3-methylbenzaldehyde

The solubility of 3-methylbenzaldehyde, with the chemical formula C8H10O, is influenced by its molecular structure and functional groups. This compound is primarily an aromatic aldehyde that exhibits certain solubility characteristics:

  • Solubility in Organic Solvents: 3-methylbenzaldehyde is highly soluble in non-polar solvents such as hexane, carbon tetrachloride, and chloroform. This is due to its hydrophobic benzene ring.
  • Limited Solubility in Water: Its solubility in water is quite low. This limited solubility can be attributed to the presence of the aldehyde group, which can engage in weak hydrogen bonding but is insufficient to overcome the hydrophobic nature of the aromatic ring.
  • Temperature Sensitivity: Generally, the solubility of organic compounds, including 3-methylbenzaldehyde, tends to increase with an increase in temperature, which may enhance its interaction with solvents.

In summary, while 3-methylbenzaldehyde showcases considerable solubility in non-polar organic solvents, its interaction with water is considerably less favorable. As such, one might observe a distinct phase separation when mixed with aqueous solutions.

Interesting facts

Interesting Facts about 3-Methylbenzaldehyde

3-Methylbenzaldehyde, also known as m-toluic aldehyde, is an aromatic compound that belongs to the class of compounds known as aldehydes. It's characterized by its distinctive fragrance and several notable properties. Here are some intriguing aspects of 3-methylbenzaldehyde:

  • Natural Occurrence: This compound is found in nature as a component of various essential oils, particularly in the oil of plants such as Begonia and Piper species.
  • Industrial Usage: It serves as an important intermediate in organic synthesis, primarily used in the preparation of fragrances and flavors.
  • Synthetic Pathways: 3-Methylbenzaldehyde can be synthesized through various methods, including hydrolysis of 3-methylbenzoic acid or as a byproduct of toluene oxidation.
  • Flavor and Aroma: It has a sweet, floral scent utilized in the fragrance industry, making it a popular choice for perfumes and candles.
  • Biological Activity: Some studies suggest that 3-methylbenzaldehyde exhibits potential biological activity, which may be interesting for pharmaceutical research.

As I delve deeper into the chemistry of 3-methylbenzaldehyde, I am struck by how a simple molecule can hold profound implications in both nature and industry. Its role in flavor and fragrance, combined with potential biological functions, highlights the importance of studying such compounds in chemistry. As scientists, understanding these intricate relationships between structure and function can open doors to innovative applications in various fields.

Quote: “Chemistry is the study of matter, but I prefer to see it as the study of change.” - Bill Bryson

Synonyms
3-Methylbenzaldehyde
M-TOLUALDEHYDE
620-23-5
3-tolualdehyde
Benzaldehyde, 3-methyl-
m-Methylbenzaldehyde
3-Tolylaldehyde
m-Tolyl aldehyde
m-Toluylaldehyde
m-tolylaldehyde
NSC 1244
EINECS 210-632-0
NSC 89859
OWH6650C4Y
M-FORMYLTOLUENE
AI3-02278
HSDB 7691
TOLUALDEHYDE,M-
NSC-1244
TOLUALDEHYDE, M-
NSC-89859
DTXSID6060717
CHEBI:28476
3-METHYLPHENYLCARBOXALDEHYDE
3-METHYLBENZALDEHYDE [HSDB]
FEMA NO. 3068, M-
DTXCID1043203
210-632-0
inchi=1/c8h8o/c1-7-3-2-4-8(5-7)6-9/h2-6h,1h
3-methyl-benzaldehyde
M-Tolualdehyde, stabilized
MFCD00003374
3-methyl benzaldehyde
UNII-OWH6650C4Y
metatolualdehyde
m-toluic aldehyde
m-Tolualdehyde, b
m-methyl benzaldehyde
meta-methylbenzaldehyde
m-Tolualdehyde, 97%
META TOLUALDEHYDE
benzaldehyde, m-methyl-
bmse000552
NCIOpen2_001577
3-CH3C6H4CHO
SCHEMBL65797
3-Methylbenzaldehyde, stab. with 0.1% hydroquinone
CHEMBL4475423
BDBM85649
NSC1244
m-Tolualdehyde, analytical standard
NSC89859
AC8308
STL194066
AKOS000119450
AC-2438
FM33931
AS-14544
HY-78086
SY001146
CS-0007820
NS00013241
T0258
EN300-20440
C07209
doi:10.14272/OVWYEQOVUDKZNU-UHFFFAOYSA-N.1
Q26828654
F2190-0581
Z104478208