137952
2,4-Dinitrobenzoic acid
96%
Synonym(s):
1-Carboxy-2,4-dinitrobenzene
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About This Item
Linear Formula:
(O2N)2C6H3CO2H
CAS Number:
Molecular Weight:
212.12
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
210-219-5
Beilstein/REAXYS Number:
658650
MDL number:
Assay:
96%
Form:
solid
Quality Level
assay
96%
form
solid
mp
176-180 °C (lit.)
functional group
carboxylic acid, nitro
SMILES string
OC(=O)c1ccc(cc1[N+]([O-])=O)[N+]([O-])=O
InChI
1S/C7H4N2O6/c10-7(11)5-2-1-4(8(12)13)3-6(5)9(14)15/h1-3H,(H,10,11)
InChI key
ZIIGSRYPZWDGBT-UHFFFAOYSA-N
Application
2,4-Dinitrobenzoic acid can be used as a reactant:
It can also be used in the spectrophotometric determination of diazepam in pure samples and in its pharmaceutical preparations. In capillary zone electrophoresis, it can be employed as chromophore probe for the analysis of perfluorinated carboxylic acids in water.
- In decarboxylative C-N cross-coupling reactions.
- To synthesize Zwitterionic azaspirocyclic hydantoins by reacting with various carbodiimides via in situ intramolecular dearomatization reaction.
- To prepare 1-(2,4-dinitrophenyl)ethanone by condensation with dimethyl malonate and subsequent decarboxylation reaction.
It can also be used in the spectrophotometric determination of diazepam in pure samples and in its pharmaceutical preparations. In capillary zone electrophoresis, it can be employed as chromophore probe for the analysis of perfluorinated carboxylic acids in water.
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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W F El-Hawary et al.
International journal of biomedical science : IJBS, 3(1), 50-55 (2007-03-01)
The interaction of diazepam with picric acid (I), 3,5-dinitrobenzoic acid (II) and 2,4-dinitrobenzoic acid (III) was found to be useful for its spectrophotometric determination. The quantitation was carried out at 475, 500, and 500 nm for the reaction with (I)
Spectrophotometric determination of diazepam in pure form, tablets and ampoules
El-Hawary WF, et al.
International Journal of Biomedical Science : IJBS, 3(1), 50-50 (2007)
Photolysis of dinitrobenzyl alcohols, dinitrobenzaldehydes, and nitrobenzoic acids in seawater, estuary water, and pure water.
Prak DJL, et al.
Marine Chemistry, 145-147, 29-36 (2012)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 137952-25G | 04061838732149 |