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p-Cymene

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Identification
Molecular formula
C10H14
CAS number
99-87-6
IUPAC name
1-isopropyl-4-methyl-cyclohexa-1,3-diene
State
State

At room temperature, p-Cymene is a liquid. It is volatile and insoluble in water but soluble in organic solvents.

Melting point (Celsius)
-68.90
Melting point (Kelvin)
204.25
Boiling point (Celsius)
177.10
Boiling point (Kelvin)
450.25
General information
Molecular weight
134.22g/mol
Molar mass
134.2220g/mol
Density
0.8570g/cm3
Appearence

p-Cymene is a colorless liquid that can sometimes appear pale yellow. It is characterized by a pleasant aromatic odor.

Comment on solubility

Solubility of 1-isopropyl-4-methyl-cyclohexa-1,3-diene

The solubility characteristics of 1-isopropyl-4-methyl-cyclohexa-1,3-diene can be quite intriguing due to its unique structural features. This compound exhibits a moderate level of solubility primarily influenced by its hydrophobic properties. When discussing its solubility, consider the following points:

  • Solvent Compatibility: 1-isopropyl-4-methyl-cyclohexa-1,3-diene tends to be more soluble in non-polar solvents such as hexane, toluene, or chloroform.
  • Limited Water Solubility: Due to its hydrocarbon nature, the compound shows very low solubility in water, making it unsuitable for aqueous applications.
  • Temperature Dependency: Like many organic compounds, its solubility can increase with temperature. Therefore, elevated temperatures may enhance the dissolution in compatible non-polar solvents.

Overall, the molecular structure plays a crucial role in determining its solubility. In light of the statement, "like dissolves like," one can deduce that the preference for non-polar solvents over polar ones underlines the hydrophobic nature of this compound. Researchers working with 1-isopropyl-4-methyl-cyclohexa-1,3-diene should always take into account these solubility traits to ensure effective deployment in various chemical processes.

Interesting facts

Interesting Facts about 1-Isopropyl-4-methyl-cyclohexa-1,3-diene

1-Isopropyl-4-methyl-cyclohexa-1,3-diene is a fascinating compound that presents intriguing features for both chemists and students alike. This compound can be classified under the category of dienes, which are hydrocarbons with two double bonds. Understanding its structure and reactivity can open avenues to explore various applications in organic synthesis and material science.

Unique Structural Characteristics

  • Cyclic Structure: The compound contains a cyclohexadiene arrangement, providing it with interesting stereochemical properties.
  • Substituents: The isopropyl and methyl groups add to the complexity, creating different electronic and steric effects that can influence reactions and interactions.

Reactivity and Applications

This compound is notable for its reactivity due to the presence of conjugated double bonds. It can participate in various reactions like:

  • Diels-Alder reactions: A highly valuable reaction in organic chemistry for synthesizing six-membered rings.
  • Electrophilic additions: These can lead to the formation of diverse functional groups that are crucial in the development of pharmaceuticals.

Significance in Research

Fans of organic chemistry often appreciate compounds like 1-isopropyl-4-methyl-cyclohexa-1,3-diene for their potential contributions to the field. Some areas of ongoing research include:

  • Material Science: Investigating its use in creating new polymers or as additives in composites.
  • Natural Products Chemistry: Considering the role of similar structures in biologically active compounds found in nature.

In summary, 1-isopropyl-4-methyl-cyclohexa-1,3-diene is more than just a simple chemical formula; it embodies the intricate relationship between structure and reactivity. As chemists explore such compounds, they often say, “The beauty of chemistry lies in the connections and transformations that can emerge from even the simplest structures.”

Synonyms
ALPHA-TERPINENE
99-86-5
Terpilene
p-Mentha-1,3-diene
1,3-Cyclohexadiene, 1-methyl-4-(1-methylethyl)-
1-Isopropyl-4-methyl-1,3-cyclohexadiene
alpha-Terpinen
1-isopropyl-4-methylcyclohexa-1,3-diene
1-Methyl-4-(1-methylethyl)-1,3-cyclohexadiene
FEMA No. 3558
.alpha.-Terpinen
1-methyl-4-propan-2-ylcyclohexa-1,3-diene
1-methyl-4-(propan-2-yl)cyclohexa-1,3-diene
1-Methyl-4-isopropylcyclohexadiene-1,3
alphaTerpinene
CCRIS 9058
a-terpinene
CHEBI:10334
alpha -Terpinene
1,3-Cyclohexadiene, 1-methyl-4-isopropyl-
EINECS 202-795-1
.alpha.-Terpinene
UNII-I24X278AP1
1-Methyl-4-isopropyl-1,3-cyclohexadiene
DTXSID9041237
1-isopropyl-4-methyl-cyclohexa-1,3-diene
AI3-26467
I24X278AP1
DTXCID7021237
MFCD00001534
a-Terpinene (~90%)
4-ISOPROPYL-1-METHYL-1,3-CYCLOHEXADIENE
-Terpinen
.alpha.-Terpine
.ALPHA.TERPINENE
alpha-Terpinene, 85%
Epitope ID:123897
Alpha-Terpinene (~90%)
ALPHA-TERPINENE [FCC]
Alpha-terpinene alpha-terpinene
CHEMBL2251642
FEMA 3558
HY-W020182R
alpha-Terpinene, analytical standard
Tox21_301126
alpha-Terpinene, >=95.0% (GC)
P-MENTHA-1,3-DIENE [FHFI]
AKOS015841730
alpha-Terpinene, >=89%, FCC, FG
1ST1970
HY-W020182
LMPR0102090026
CAS-99-86-5
NCGC00248299-01
NCGC00255025-01
BS-33443
DA-70729
CS-0039183
M0317
NS00013197
a-Terpinene =89%, contains BHT as stabilizer
C09898
E75753
alpha-Terpinene 2000 microg/mL in Acetonitrile
EN300-6738504
Q423851
Z1255364643
InChI=1/C10H16/c1-8(2)10-6-4-9(3)5-7-10/h4,6,8H,5,7H2,1-3H
202-795-1
9MI