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197378

Sigma-Aldrich

Picric acid

moistened with water, ≥98%

Synonym(s):

2,4,6-Trinitrophenol, PA

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About This Item

Linear Formula:
(O2N)3C6H2OH
CAS Number:
88-89-1
Molecular Weight:
229.10
Colour Index Number:
10305
Beilstein:
423400
MDL number:
MFCD00007102
UNSPSC Code:
12352100
PubChem Substance ID:
57647805

vapor density

7.9 (vs air)

Quality Level

200

vapor pressure

1 mmHg ( 195 °C)

Assay

≥98%

form

powder or crystals (with a top layer of Liquid)

contains

≥35% water

expl. lim.

0.01 %

mp

122-123 °C (dried material) (lit.)

solubility

alcohol: 1 (g/12 mL)(lit.)
benzene: 1 g/10 mL
chloroform: 1 (g/35 mL)
diethyl ether: 1 (g/65 mL)

density

1.763 g/cm3

SMILES string

Oc1c(cc(cc1[N+]([O-])=O)[N+]([O-])=O)[N+]([O-])=O

InChI

1S/C6H3N3O7/c10-6-4(8(13)14)1-3(7(11)12)2-5(6)9(15)16/h1-2,10H

InChI key

OXNIZHLAWKMVMX-UHFFFAOYSA-N

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General description

Picric acid (PA, 2,4,6-trinitrophenol) is a polynitrated aromatic acid. It is strongly acidic in nature. Since it readily dissolves in water, it can easily pollute the environment on exposure. Sensitive detection of PA by tris-imidazolium salt, fluorescent [3+2] self-assembled nanoscopic organic cage and rhodamine based sensors have been reported. It is widely used for the determination of various organic compounds by spectrophotometric and extractive spectrophotometric methods.

Application

Picric acid has been used in the preparation of Bouin′s fixative and picric acid/sodium azide/multi-walled carbon nanotubes.
Picric acid was used in the quantitative determination of bisoprolol.

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Preparation and evaluation of hybrid composites of chemical fuel and multi-walled carbon nanotubes in the study of thermopower waves.
Hwang H, et al.
Journal of Visualized Experiments, 98, e52818-e52818 (2015)
Rhodamine based selective turn-on sensing of picric acid.
Sivaraman G, et al.
Royal Society of Chemistry Advances, 4(58), 30828-30831 (2014)
Alina-Diana Panainte et al.
Revista medico-chirurgicala a Societatii de Medici si Naturalisti din Iasi, 117(2), 520-524 (2013-12-18)
Bisoprolol is a drug belonging to beta blockers drugs used primarily for the treatment of cardiovascular diseases. A spectrophotometric method for quantitative determination of bisoprolol was developed based on the formation of a complex combination between bisoprolol and picric acid.
Koushik Acharyya et al.
Chemical communications (Cambridge, England), 50(99), 15788-15791 (2014-11-06)
Dynamic covalent imine chemistry has been utilized to synthesize a fluorescent [3+2] self-assembled nanoscopic organic cage. The fluorescent nature of the reduced analogue of the cage was further exploited for the highly selective detection of the explosive picric acid (PA).
Mario Sanhueza et al.
Journal of visualized experiments : JoVE, (111)(111), doi:10-doi:10 (2016-05-24)
Most studies on morphogenesis rely on qualitative descriptions of how anatomical traits are affected by the disruption of specific genes and genetic pathways. Quantitative descriptions are rarely performed, although genetic manipulations produce a range of phenotypic effects and variations are
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