Skip to main content

Styphnic acid

ADVERTISEMENT
Identification
Molecular formula
C6H3N3O8
CAS number
82-71-3
IUPAC name
2,4,6-trinitrobenzene-1,3-diol
State
State

Styphnic acid is generally found in a solid state at room temperature. The compound is stable under normal conditions but is highly sensitive to mechanical shock, friction, and heat, making it a high explosive material.

Melting point (Celsius)
169.00
Melting point (Kelvin)
442.15
Boiling point (Celsius)
300.00
Boiling point (Kelvin)
573.15
General information
Molecular weight
227.11g/mol
Molar mass
227.1190g/mol
Density
1.8000g/cm3
Appearence

Styphnic acid typically appears as a yellow crystalline solid. It is known for its vibrant yellow color and is often found in the form of yellow crystals or powder. The compound is highly explosive and care must be taken in its handling.

Comment on solubility

Solubility of 2,4,6-trinitrobenzene-1,3-diol

2,4,6-trinitrobenzene-1,3-diol, a compound featuring multiple nitro groups and hydroxyl functionalities, exhibits some interesting solubility characteristics.

Key Points about Solubility

  • Polar Nature: Due to its hydroxyl (-OH) groups, 2,4,6-trinitrobenzene-1,3-diol displays polar characteristics which enhance its solubility in polar solvents.
  • Hydrogen Bonding: The presence of hydroxyl groups allows for extensive hydrogen bonding, facilitating interactions with water molecules and contributing to its solubility in aqueous environments.
  • Limited Solubility in Non-Polar Solvents: However, the nitro group’s electron-withdrawing effect may result in limited solubility in non-polar solvents, making the compound less favorable in organic solvents.
  • Concentration Effects: Solubility can also be influenced by concentration; saturation levels can create diverse behavior in solution.

In summary, while 2,4,6-trinitrobenzene-1,3-diol is appreciably soluble in polar solvents due to its polar hydroxyl groups and ability to form hydrogen bonds, it faces challenges in non-polar environments. This dichotomy of solubility is essential for various applications in chemical research and industrial processes.

Interesting facts

Interesting Facts about 2,4,6-Trinitrobenzene-1,3-diol

2,4,6-Trinitrobenzene-1,3-diol, also known as picramic acid, is a fascinating compound that showcases the rich chemistry of nitro derivatives of aromatic compounds. Here are some captivating insights into this compound:

  • Nitro Groups: The presence of three nitro groups (-NO2) on the benzene ring significantly enhances the compound's reactivity, making it a powerful electrophile in various chemical reactions.
  • Acidity: Picramic acid is notably a weak acid, which can participate in proton transfer reactions, leading to a variety of applications in organic synthesis.
  • Historical Significance: This compound has historical importance; it was one of the earliest examples studied in the development of explosives. The stability and sensitivity of nitro compounds like picramic acid are pivotal in applications ranging from military to industrial sectors.
  • Biological Interactions: Research has indicated potential interactions with biological systems, where nitro compounds can undergo reduction reactions that may have implications in medicinal chemistry.
  • Research Applications: Due to its unique structure, picramic acid is utilized in various research settings, particularly in the synthesis of more complex organic materials and in developing reactive intermediates.

In summary, 2,4,6-trinitrobenzene-1,3-diol is not just a simple nitro compound; it embodies a wealth of chemical potential and intriguing applications that continue to inspire chemists worldwide.

Synonyms
Styphnic acid
2,4,6-TRINITRORESORCINOL
82-71-3
1,3-Benzenediol, 2,4,6-trinitro-
2,4,6-trinitrobenzene-1,3-diol
2,4,6-Trinitro-1,3-benzenediol
Trinitroresorcinol
Resorcinol, 2,4,6-trinitro-
2,4-Dihydroxy-1,3,5-trinitrobenzene
NSC 36932
UN0394
CCRIS 3107
UNII-R4TJB1U00D
EINECS 201-436-6
R4TJB1U00D
UN0219
AI3-08927
3-Hydroxy-2,4,6-trinitrophenol
NSC-36932
STYPHNIC ACID [MI]
2,4,6-Trinitro resorcinol
UN 0219 (Salt/Mix)
UN 0394 (Salt/Mix)
DTXSID7058880
1,3-Dihydroxy-2,4,6-trinitrobenzene
UN-0219
UN-0394
Styphninsaure
2,6-Trinitroresorcinol
Resorcinol,4,6-trinitro-
SCHEMBL69964
2,6-Trinitro-1,3-benzenediol
DTXCID1048257
WLN: WNR BQ DQ CNW ENW
NSC36932
STL194200
AKOS005068095
Resorcinol, 2,4,6-trinitro-(8CI)
DB-056650
NS00002548
EN300-94763
Q82432
201-436-6