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D194255

Sigma-Aldrich

1,3-Dinitrobenzene

97% anhydrous basis

Sinónimos:

1,3-Dinitrobenzene, DNB, Meta-dinitrobenzene, m-Dinitrobenzene

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About This Item

Fórmula lineal:
C6H4(NO2)2
Número de CAS:
99-65-0
Peso molecular:
168.11
Beilstein/REAXYS Number:
1105654
EC Number:
202-776-8
MDL number:
MFCD00007222
UNSPSC Code:
12352100
PubChem Substance ID:
24893577
NACRES:
NA.22

Quality Level

100

assay

97% anhydrous basis

form

solid

impurities

≤10.0% H2O

bp

297 °C (lit.)

mp

84-86 °C (lit.)

density

1.368 g/mL at 25 °C (lit.)

SMILES string

[O-][N+](=O)c1cccc(c1)[N+]([O-])=O

InChI

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

InChI key

WDCYWAQPCXBPJA-UHFFFAOYSA-N

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General description

1,3-Dinitrobenzene can undergo reductive degradation by alkaline ascorbic acid to produce 1,3-phenylenediamine.

Application

1,3-Dinitrobenzene can be used as a reactant to synthesize:      
  • 2′,6′- dinitrobiphenyl-4-ol and 1-nitrodibenzofuran via copper-catalyzed regioselective cross-coupling reaction with 4-iodophenol and 2-iodophenol respectively.      
  • 1H-indazole derivatives by reacting with various N-tosylhydrazones in the presence of a base catalyst.      
  • 3-(1H-Tetrazol-1-yl)benzenamine by reacting with triethyl orthoformate and NaN3 in the presence of a three-functional redox catalytic system.

signalword

Danger

Hazard Classifications

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

Storage Class

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

wgk_germany

WGK 3

flash_point_f

302.0 °F - closed cup

flash_point_c

150 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Zhenxing Liu et al.
Chemical communications (Cambridge, England), 50(39), 5061-5063 (2014-04-10)
A new method for the synthesis of 1H-indazoles from readily available N-tosylhydrazones and nitroaromatic compounds has been developed. This transformation occurs under transition-metal-free conditions and shows a wide substrate scope. The method has been successfully applied to the formal synthesis
Oxidation/MCR domino protocol for direct transformation of methyl benzene, alcohol, and nitro compounds to the corresponding tetrazole using a three-functional redox catalytic system bearing TEMPO/Co (III)-porphyrin/Ni (II) complex
Mahmoudi B, et al.
Molecular Catalysis, 499, 111311-111311 (2021)
1, 3-Dinitrobenzene reductive degradation by alkaline ascorbic acid--Reaction mechanisms, degradation pathways and reagent optimization
Ciou C,et al.
Chemosphere, 166, 482-488 (2017)
Copper-Mediated Vicarious Substitution of 1, 3-Dinitrobenzene with lodophenols or lodomethyl Phenyl Sulfoxide/Sulfone
Haglund O, et al.
Synthesis, 1990(10), 942-944 (1990)
Chenyu Lin et al.
BMC chemistry, 14(1), 66-66 (2020-12-10)
For analysis of weak π-π complexes proton-nuclear magnetic resonance (proton-NMR) simultaneously provides information of stacking configurations and association constants [Formula: see text] However, an apparent issue for this approach is inconsistent/impossible constant estimation which often leads to unreasonable interpretation for
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