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102369

Sigma-Aldrich

1,4-Dinitrobenzene

98%

Synonym(s):

p-dinitrobenzene, para-Dinitrobenzene

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About This Item

Linear Formula:
C6H4(NO2)2
CAS Number:
100-25-4
Molecular Weight:
168.11
Beilstein:
1105828
EC Number:
202-833-7
MDL number:
MFCD00007314
UNSPSC Code:
12352100
PubChem Substance ID:
24846575
NACRES:
NA.22

Assay

98%

bp

183.4 °C/34 mmHg (lit.)

mp

170-173 °C (lit.)

solubility

alcohol: soluble 1g in 300ml
boiling water: soluble 1g in 555ml
cold water: soluble 1g in 12,500ml
benzene: very slightly soluble
chloroform: very slightly soluble
ethyl acetate: very slightly soluble

density

1.625 g/mL at 25 °C (lit.)

SMILES string

[O-][N+](=O)c1ccc(cc1)[N+]([O-])=O

InChI

1S/C6H4N2O4/c9-7(10)5-1-2-6(4-3-5)8(11)12/h1-4H

InChI key

FYFDQJRXFWGIBS-UHFFFAOYSA-N

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General description

Dinitrobenzene is commonly used in industrial explosives containing ammonium nitrate. 1,4-Dinitrobenzene forms negative molecular ion M-· by electron capture or charge exchange.

Application

1,4-Dinitrobenzene was used in a study to evaluate the ionization mechanism and solvent effect by novel atmospheric pressure photoionization mass spectrometry in negative ion mode for analysis of some compounds. 1,4-Dinitrobenzene can be used in synthesis of dyes and dye intermediates.

Preparation Note

One gram of 1,4-Dinitrobenzene dissolves in 12,500 ml cold water, 555 ml boiling water and 300 ml alcohol.

Signal Word

Danger

Hazard Classifications

Acute Tox. 1 Dermal - Acute Tox. 1 Inhalation - Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 2

Storage Class Code

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point(F)

302.0 °F - closed cup

Flash Point(C)

150 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Tiina J Kauppila et al.
Journal of the American Society for Mass Spectrometry, 15(2), 203-211 (2004-02-10)
The ionization mechanism in the novel atmospheric pressure photoionization mass spectrometry (APPI-MS) in negative ion mode was studied thoroughly by the analysis of seven compounds in 17 solvent systems. The compounds possessed either gas-phase acidity or positive electron affinity, whereas
Polymer sensors for nitroaromatic explosives detection.
Toal SJ and Trogler WC.
Journal of Materials Chemistry, 16(28), 2871-2883 (2006)
Silvia M Barolo et al.
The Journal of organic chemistry, 71(22), 8493-8499 (2006-10-27)
The photostimulated intramolecular ortho-arylation reactions of bromoarenes linked with pendant phenoxy containing N-substituted tetrahydroisoquinolines in liquid ammonia afforded aporphine (54-82% yield) alkaloid derivatives via SRN1 reactions. This strategy was extended for the first time to the synthesis of a homoaporphine
N Kessler et al.
Proteins, 34(3), 383-394 (1999-02-19)
The sequences of the variable regions of three monoclonal antibodies with different specificities to cholesterol monohydrate and 1,4-dinitrobenzene crystals were determined. The structures of their binding sites were then modeled, based on homology to other antibodies of known structure. Two
M Elena Hernández-Flores et al.
Steroids, 149, 108420-108420 (2019-06-04)
β-Sitosteryl (S)-ibuprofenate (2), stigmasteryl (S)-ibuprofenate (3), ergosteryl (S)-ibuprofenate (4), and cholesteryl (S)-ibuprofenate (5) were prepared in 70-75% yields by Steglich esterification and were characterized by 1D and 2D NMR, as well as by MS. The new esters were evaluated in
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