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2,4-Dinitrophenol

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Identification
Molecular formula
C6H4N2O5
CAS number
51-28-5
IUPAC name
2,4-dinitrophenol
State
State

At room temperature, 2,4-Dinitrophenol is a solid. It is typically encountered in a crystalline form.

Melting point (Celsius)
114.00
Melting point (Kelvin)
387.15
Boiling point (Celsius)
250.00
Boiling point (Kelvin)
523.15
General information
Molecular weight
184.11g/mol
Molar mass
184.1060g/mol
Density
1.6830g/cm3
Appearence

2,4-Dinitrophenol appears as a yellow, crystalline solid. It has a distinctively bright yellow color, which is characteristic of many nitro compounds due to their absorption of light in the visible spectrum.

Comment on solubility

Solubility of 2,4-Dinitrophenol

2,4-Dinitrophenol (C6H4N2O5), commonly referred to as DNP, exhibits interesting solubility characteristics that are important to understand in various applications.

In general, the solubility of 2,4-Dinitrophenol can be summarized as follows:

  • Water Solubility: 2,4-Dinitrophenol is known to have limited solubility in water. At room temperature, it dissolves moderately, indicating that its polarity and functional groups play a role in its interaction with water molecules.
  • Organic Solvents: This compound is significantly more soluble in organic solvents such as alcohols, acetone, and chloroform. Its larger, non-polar aromatic structure contributes to its greater solubility in these environments.
  • Temperature Effect: Like many organic compounds, the solubility of DNP in water increases with temperature. This is an important consideration for various industrial processes that involve temperature changes.

As noted in chemical literature, the solubility behavior of DNP can be attributed to its molecular structure, which impacts how it interacts with solvents. This makes it a fascinating compound to study in terms of dissolution processes. Overall, understanding the solubility of 2,4-Dinitrophenol is crucial for its handling in laboratories and industrial applications.

Interesting facts

Interesting Facts about 2,4-Dinitrophenol

2,4-Dinitrophenol (DNP) is a fascinating compound with a rich history and a variety of applications. Discovered over a century ago, it has garnered attention in both scientific research and industrial practices. Here are some intriguing insights:

Historical Significance

  • First synthesized in the early 20th century, DNP was initially used in the manufacture of explosives.
  • During the 1930s, it gained popularity as a weight loss aid due to its ability to increase metabolic rates.

Mechanism of Action

  • DNP acts as a powerful uncoupler of oxidative phosphorylation, disrupting the normal functionality of mitochondria.
  • This leads to increased heat production as energy is released without being converted to ATP, making it a subject of interest in metabolism studies.

Industrial Uses

  • In addition to its historical use in weight loss, DNP is employed in the synthesis of various chemical compounds, acting as a reagent in organic chemistry.
  • It plays a role in the production of dyes, pesticides, and other industrial chemicals.

Safety and Regulations

Despite its intriguing properties, 2,4-dinitrophenol poses significant health risks:

  • It is classified as a highly toxic substance, and exposure can lead to serious side effects, including overheating and tachycardia.
  • The compound is banned in many countries for human consumption due to its dangerous side effects and potential for misuse.

Overall, 2,4-dinitrophenol illustrates the dual nature of chemical compounds, serving as a reminder of the importance of safety and ethical considerations in chemical research and application. Its impact on both historical and modern contexts makes it a notable compound in the realm of chemistry.

Synonyms
2,4-dinitrophenol
51-28-5
Aldifen
Phenol, 2,4-dinitro-
Nitrophen
Nitrophene
Fenoxyl carbon N
Solfo Black B
Sulphur Black 1
Dinofan
Tertrosulphur PBR
alpha-Dinitrophenol
DINITROPHENOL
Solfo Black G
Nitro kleenup
1-Hydroxy-2,4-dinitrobenzene
2,4-Dnp
Chemox PE
Solfo Black BB
Solfo Black SB
Dinitrofenolo
.alpha.-Dinitrophenol
Tertrosulphur Black PB
Solfo Black 2B Supra
2,4-Dinitrofenol
Maroxol-50
Osmoplastic-R
Osmotox-Plus
1326-82-5
Nitrophen (VAN)
Nitrophene (VAN)
RCRA waste number P048
Chemox
Mitcal
Camello mosquito coils
Caswell No. 392
Tertrosulfur pbr
NSC 1532
Phenol, alpha-dinitro-
Dinitrofenolo [Italian]
EK 102
2,4-Dinitrofenol [Dutch]
1'alpha-2,4-Dinitrophenol
Shirakiku brand mosquito coils
CCRIS 3102
HSDB 529
CHEBI:42017
X 32
Phenol, .alpha.-dinitro-
UNII-Q13SKS21MN
NSC-1532
EINECS 200-087-7
Q13SKS21MN
MFCD00007115
Fenoxyl
EPA Pesticide Chemical Code 037509
2,4-dinitro-phenol
Tertrosulfur black pb
DTXSID0020523
AI3-01535
1,3-DINITRO-4-HYDROXYBENZENE
DINITROPHENOL [MART.]
DTXCID80523
DINITROPHENOL [WHO-DD]
SR-1C5
2,4-DINITROPHENOL [MI]
EC 200-087-7
2,4-DINITROPHENOL [HSDB]
2,4-dinitrophenol (h2o w/w 18% max)
Dinitrofenolo (Italian)
DNF
DINITROPHENOL (MART.)
PHEN-2,3,5-D3-OL,4,6-DINITRO- (9CI)
2,4-Dinitrophenol (Wetted with up to 20per cent water)
tatephosphate
Solfo Black
CAS-51-28-5
2,4 Dinitrophenol
2,4-Dinitrophenol (wetted with water >15%)
RCRA waste no. P048
Dinitrofenol
pDinitrophenol
Dinitra
OsmoplasticR
OsmotoxPlus
a-Dinitrophenol
Cobra salts
Impregna salts)
Phenol, dinitro
alphaDinitrophenol
2,4Dinitrofenol
2,4dinitrophenol
Maroxol50
Solfo black 2B
Hydroxydinitrobenzene
Alpha.-dinitrophenol
Phenol, alphadinitro
phenol, 2,4-dinitro
Dinitrofenol (Spanish)
Dinofan 51285
Spectrum_001934
2,4dnp
SpecPlus_000938
1'alpha2,4Dinitrophenol
Spectrum2_000673
Spectrum3_001694
Spectrum4_000913
Spectrum5_001670
WLN: WNR BQ ENW
1Hydroxy2,4dinitrobenzene
Epitope ID:112424
2,4-Dinitrophenol, wetted
DINITROPHENOL, WETTED
SCHEMBL77643
BSPBio_003248
KBioGR_001406
KBioSS_002480
SPECTRUM330008
2,4-Dinitrofenol (Spanish)
MLS001066358
BIDD:ER0505
DivK1c_007034
SPBio_000765
CHEMBL273386
SCHEMBL13973810
CHEBI:39352
KBio1_001978
KBio2_002473
KBio2_005041
KBio2_007609
KBio3_002468
NSC1532
HMS1923K21
HMS2233H07
HMS3372P06
HMS3867N13
Tox21_201462
Tox21_300030
CCG-39730
NSC791780
STK397797
AKOS000118988
AKOS015912556
DB04528
NSC-791780
1-HYDROXY-2,4-DINITRO-BENZENE
USEPA/OPP Pesticide Code: 037509
NCGC00091778-01
NCGC00091778-02
NCGC00091778-03
NCGC00091778-04
NCGC00091778-05
NCGC00091778-06
NCGC00254114-01
NCGC00259013-01
AI301535
AS-39888
PD001942
SMR000471854
D0109
NS00010496
2,4-Dinitrophenol (wetted with 15 % water)
EN300-19295
C02496
AB00053210_08
2,4-Dinitrophenol, SAJ special grade, >=98.0%
Q209226
2,4-Dinitrophenol, moistened with water, >=98.0%
2,4-Dinitrophenol, 96%, stab. with min. 15% water
2,4-Dinitrophenol, PESTANAL(R), analytical standard
BRD-K21910317-001-02-4
BRD-K21910317-001-06-5
BRD-K21910317-001-12-3
2,4-Dinitrophenol, wetted with not less than 15% water
Z104473446
2,4-Dinitrophenol, technical, moistened with water, >=97.0% (HPLC)
200-087-7
247-096-2