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Picric Acid

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Identification
Molecular formula
C6H3N3O7
CAS number
88-89-1
IUPAC name
3-methyl-2,4,6-trinitro-phenol
State
State

Picric acid is typically found as a solid at room temperature. It is often described in its crystalline form, which is sensitive to shock and friction, thereby requiring careful handling.

Melting point (Celsius)
122.50
Melting point (Kelvin)
395.70
Boiling point (Celsius)
300.00
Boiling point (Kelvin)
573.00
General information
Molecular weight
229.10g/mol
Molar mass
229.1010g/mol
Density
1.7637g/cm3
Appearence

Picric acid is a yellow crystalline solid. It has a distinctive bright yellow color and is often used as a dye. The crystals of picric acid are relatively small and needle-like, making them appear somewhat granular to the naked eye.

Comment on solubility

Solubility of 3-methyl-2,4,6-trinitro-phenol

The solubility of 3-methyl-2,4,6-trinitro-phenol (commonly known as Picric acid) is an intriguing aspect of its chemical properties. Understanding its solubility can help predict its behavior in various environments. Here are some key points regarding its solubility:

  • Solvent Preferences: 3-methyl-2,4,6-trinitro-phenol is known to be soluble in organic solvents such as ethanol and acetone. However, it shows limited solubility in water.
  • Temperature Dependence: The solubility can be significantly influenced by temperature, often increasing with elevated temperatures in organic solvents.
  • pH Sensitivity: The solubility of this compound may also vary with the pH of the solution, whereby it can become more soluble in acidic or basic environments.
  • Industrial Implications: Due to its solubility characteristics, 3-methyl-2,4,6-trinitro-phenol is utilized in various industrial applications, including its role in the formulation of explosives.

In summary, while 3-methyl-2,4,6-trinitro-phenol’s solubility in water is limited, its solubility in organic solvents makes it a versatile compound in chemical processes. Understanding these aspects is crucial for handling and utilizing this compound effectively.

Interesting facts

Interesting Facts about 3-Methyl-2,4,6-Trinitrophenol

3-Methyl-2,4,6-trinitrophenol, commonly known as picric acid, is a fascinating compound with a rich history and significant implications in both chemistry and various industries.

Key Characteristics

  • Historical Use: Initially, picric acid was employed as a dye and later recognized for its explosive properties, leading to its use in military applications.
  • Explosive Power: Known for being one of the earliest modern explosives, picric acid is not only sensitive to shock but also highly stable under certain conditions, which has made it a subject of study for safe handling.
  • Solubility: Picric acid is notable for its solubility in water and various organic solvents, which has implications for its use in laboratory settings.

Interesting Applications

This compound has had diverse applications beyond the explosive domain:

  • History of Medicine: In the past, picric acid was used in medicinal formulations as an antiseptic, showcasing its versatility.
  • Colorimetric Analysis: Picric acid serves as a reagent in organic chemistry, particularly in the identification and quantification of phenolic compounds.
  • Environmental Monitoring: Due to its stability and solubility, it has been used in studies to monitor pollution in aqueous environments.

Caution and Importance

While 3-methyl-2,4,6-trinitrophenol has rich applications, it is essential to handle it with care:

  • Health Hazards: Exposure can result in serious health risks, making proper safety protocols crucial.
  • Environmental Concerns: Its presence in the environment can have toxic effects, necessitating careful monitoring and regulation.

In conclusion, 3-methyl-2,4,6-trinitrophenol is an intriguing example of how a compound can have a dual nature—serving both practical purposes in science and industry while also presenting risks that require careful management. As a compound that blends utility with caution, it continues to captivate the scientific community.

Synonyms
2,4,6-Trinitro-m-cresol
Cresylite
Trinitro-m-cresol
602-99-3
Phenol, 3-methyl-2,4,6-trinitro-
Trinitro-meta-cresol
3-Methylpicric acid
Methylpicric acid
3-Methyl-2,4,6-trinitro-phenol
EINECS 210-027-1
AI3-15427
DTXSID0075285
HSDB 8403
UN 0216
DTXCID2042773
210-027-1
yygjrrysyllcqh-uhfffaoysa-n
3-methyl-2,4,6-trinitrophenol
Picric acid, methyl-
Trinitro-m-cresolic acid
Picric acid, 3-methyl-
m-Cresol, 2,4,6-trinitro-
2,4,6-Trinitro-3-methylphenol
NSC 3182
NSC-3182
UN0216
2,6-Trinitro-m-cresol
7BLY4MK2AN
m-Cresol,4,6-trinitro-
2,6-Trinitro-3-methylphenol
SCHEMBL2224314
NSC3182
WLN: WNR BQ D1 CNW ENW
NS00034327
Trinitro-meta-cresol [UN0216] [Explosive 1.1D]
Q19833924