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Merck

197378

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:
Molecular Weight:
229.10
UNSPSC Code:
12352100
PubChem Substance ID:
MDL number:
Colour Index Number:
10305
Beilstein/REAXYS Number:
423400
Assay:
≥98%
Concentration:
≥50-<70%
Form:
powder or crystals (with a top layer of Liquid)
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vapor density

7.9 (vs air)

Quality Level

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 %

concentration

≥50-<70%

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

functional group

nitro

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

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


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pictograms

FlameSkull and crossbones

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Desen. Expl. 1

Storage Class

4.1A - Other explosive hazardous materials

flash_point_f

302.0 °F - closed cup

flash_point_c

150 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Group 5: Self-reactive substances + Nitro compounds + Hazardous rank II + 2nd self-reactive materials

fsl

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

197378-500G:4.548173113197E12 + 197378-100G:4.54817311318E12

jan



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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.