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Chlorothalonil

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Identification
Molecular formula
C7H5Cl3
CAS number
120-82-1
IUPAC name
1,2,4-trichloro-5-methyl-benzene
State
State

At room temperature, Chlorothalonil is in a solid state, typically as a crystalline powder.

Melting point (Celsius)
63.00
Melting point (Kelvin)
336.15
Boiling point (Celsius)
250.00
Boiling point (Kelvin)
523.15
General information
Molecular weight
181.46g/mol
Molar mass
181.4550g/mol
Density
1.4587g/cm3
Appearence

Chlorothalonil is a white crystalline solid. It is often encountered in the form of powder or crystals. The appearance can vary slightly based on the particular form (technical grade, formulations, etc.) but it predominantly maintains a white to off-white appearance.

Comment on solubility

Solubility of 1,2,4-Trichloro-5-methyl-benzene

1,2,4-Trichloro-5-methyl-benzene, often referred to as syn-o-xythol, exhibits unique solubility characteristics due to its chemical structure. The presence of three chlorine atoms in its molecule significantly affects its interactions with solvents. Here are some key points regarding its solubility:

  • Polar vs Non-Polar Solvents: This compound is largely non-polar because of its aromatic structure, yet the chlorine substituents increase polarity to a degree. As a result, it demonstrates solubility in organic solvents such as benzene and chloroform, but limited solubility in water.
  • Solubility in Water: Water solubility is minimal, attributed to the hydrophobic character of the aromatic hydrocarbons and the weak polarity of the chloro groups.
  • Temperature Effects: The solubility of 1,2,4-trichloro-5-methyl-benzene can increase with temperature, making it more dissolvable in organic solvents as heat is applied.
  • Environmental Considerations: Given its low water solubility and high stability, the compound may accumulate in the environment, raising concerns for aquatic ecosystems.

In summary, while 1,2,4-trichloro-5-methyl-benzene is soluble in many organic solvents, its low solubility in water and potential environmental impact are significant factors to consider in its use and study.

Interesting facts

Discovering 1,2,4-Trichloro-5-methylbenzene

1,2,4-Trichloro-5-methylbenzene, also known as *methyl-1,2,4-trichlorobenzene*, is a fascinating compound in the world of organic chemistry. This compound showcases the diverse possibilities of benzene derivatives and halogenation reactions.

Key Features of 1,2,4-Trichloro-5-methylbenzene

  • Structure: The compound features a benzene ring substituted at three positions with chlorine atoms and one position with a methyl group, which contributes to its unique properties.
  • Application: Often used in industrial chemistry, it serves as a precursor to various pesticides and other organic compounds due to the reactivity of its chlorine substituents.
  • Environmental Impact: The compound is of interest in environmental studies, particularly concerning its persistence and potential effects in ecosystems, illustrating the importance of chemical compounds in assessing pollution.

As scientists explore the implications of 1,2,4-trichloro-5-methylbenzene, they often reflect on the balance between its usefulness and the necessity for responsible handling. As one chemist noted, "With great power comes great responsibility in the use of chemical compounds." This phrase exemplifies the ongoing discussion in the scientific community regarding sustainable practices in chemistry.

In summary, 1,2,4-trichloro-5-methylbenzene not only serves a crucial role in industrial applications but also provides insight into the responsibilities of chemists in managing synthetic compounds effectively for a better future.

Synonyms
2,4,5-TRICHLOROTOLUENE
6639-30-1
Benzene, 1,2,4-trichloro-5-methyl-
Toluene, 2,4,5-trichloro-
UNII-CN6GE686J2
CN6GE686J2
EINECS 229-644-2
NSC 16047
NSC-16047
DTXSID8064434
Benzene, 1-methyl-2,4,5-trichloro-
DTXCID1044801
Toluene, 2,4,5-trichloro-(8CI)
229-644-2
zcxhzknwiyvqnc-uhfffaoysa-n
1,2,4-Trichloro-5-methylbenzene
NSC16047
2,5-Trichlorotoluene
Toluene,4,5-trichloro-
SCHEMBL168826
CHEMBL295278
Benzene,2,4-trichloro-5-methyl-
MFCD00044590
1,2,4-Trichloro-5-methylbenzene #
AKOS006242944
BS-29277
DB-054921
NS00036022
G61872
2,4,5-Trichlorotoluene 10 microg/mL in Hexane
Q27275550