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D102504

Sigma-Aldrich

1,5-Difluoro-2,4-dinitrobenzene

97%

Synonym(s):

DFDNB

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About This Item

Linear Formula:
F2C6H2(NO2)2
CAS Number:
327-92-4
Molecular Weight:
204.09
Beilstein:
1883116
EC Number:
206-324-0
MDL number:
MFCD00007052
UNSPSC Code:
12352100
PubChem Substance ID:
24893327
NACRES:
NA.22

Assay

97%

form

powder

mp

72-74 °C (lit.)

SMILES string

[O-][N+](=O)c1cc(c(F)cc1F)[N+]([O-])=O

InChI

1S/C6H2F2N2O4/c7-3-1-4(8)6(10(13)14)2-5(3)9(11)12/h1-2H

InChI key

VILFTWLXLYIEMV-UHFFFAOYSA-N

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Pictograms

Skull and crossbonesHealth hazard
GHS06,GHS08

Signal Word

Danger

Hazard Statements

H300,H311 + H331,H373

Hazard Classifications

Acute Tox. 2 Oral - Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - 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)

Not applicable

Flash Point(C)

Not applicable

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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Suman Thummanagoti et al.
Molecular diversity, 15(1), 101-107 (2010-03-20)
Traceless synthesis of 2-aminoimidazoquinoxalinones has been performed on soluble polymer support under open-vessel microwave dielectric heating. The reaction progression is monitored directly by the conventional proton NMR which indicated no release of the substrate from the support. Fmoc-deprotected amino acid
Dong Mei Wang et al.
Journal of combinatorial chemistry, 11(4), 556-575 (2009-05-28)
This paper reports a versatile, good-yielding, solution-phase method that is a substituent diversity-directed synthesis of 1H-indoles (6-13, 17-20) and 1-hydroxyindoles (14, 15) starting from commercially available 1,5-difluoro-2,4-dinitrobenzene. The synthetic products possessed the maximum six diversity points.
Gang Liu et al.
Journal of combinatorial chemistry, 9(1), 70-78 (2007-01-09)
This paper describes our recent efforts to synthesize novel compound scaffolds integrating 2-quinoxalinol with privileged structures of 1,3-dihydro-benzoimidazol-2-one, 1,3-dihydro-benzoimidazole-2-thione, 3-hydroxy-1H-quinoxalin-2-one, 2H-benzo[1,4]oxazin-3-ol, 2H-benzo[1,4]thiazin-3-ol, and 1,3,4,5-tetrahydro-benzo[1,4]diazepin-2-one, respectively. Eight novel benzofused tricycles and their substituent diversity points were developed. These include pyrazino[2,3-g]quinoxaline-2,8-diol (I)
S M Hourani et al.
General pharmacology, 20(4), 413-416 (1989-01-01)
1. The effects of some possible inhibitors of ectonucleotidases on the breakdown of extracellular ATP by strips of guinea-pig urinary bladder were investigated. 2. Suramin and ethacrynic acid (10 mM) both inhibited ATP breakdown significantly, and difluorodinitrobenzene (10 mM) inhibited
Yanshun Liu et al.
Protein science : a publication of the Protein Society, 11(2), 371-380 (2002-01-16)
When concentrated in mildly acidic solutions, bovine pancreatic ribonuclease (RNase A) forms long-lived oligomers including two types of dimer, two types of trimer, and higher oligomers. In previous crystallographic work, we found that the major dimeric component forms by a
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