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40870

Supelco

1,2-Dimethyl-3-nitrobenzene

Selectophore™, ≥99.0%

Synonym(s):

3-Nitro-o-xylene

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About This Item

Linear Formula:
(CH3)2C6H3NO2
CAS Number:
83-41-0
Molecular Weight:
151.16
Beilstein/REAXYS Number:
2045105
EC Number:
201-474-3
MDL number:
MFCD00007162
UNSPSC Code:
26111700
PubChem Substance ID:
329756021
NACRES:
NB.61

description

for ion-selective electrodes

Quality Level

200

product line

Selectophore™

assay

≥99.0% (GC)
≥99.0%
97%

form

liquid

refractive index

n20/D 1.543 (lit.)

bp

245 °C (lit.)

mp

7-9 °C (lit.)

density

1.129 g/mL at 25 °C (lit.)

SMILES string

Cc1cccc(c1C)[N+]([O-])=O

InChI

1S/C8H9NO2/c1-6-4-3-5-8(7(6)2)9(10)11/h3-5H,1-2H3

InChI key

FVHAWXWFPBPFOS-UHFFFAOYSA-N

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General description

1,2,-dimethyl-3-nitrobenzene (DNB) is a plasticizer.[1]
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Application

It was used as plasticizer in preparing K+ sensor cocktail which was used as K+ selective microelectrodes, to study nitrate interference with the sensor.[1] It was used as internal standard for GC-MS analysis of 2,4-dichlorophenol, 2,4,6-trichlorophenol, and pentachlorophenol.[2]

Other Notes

Additive for preparing K+-selective electrodes[3][4]

Legal Information

Selectophore is a trademark of Merck KGaA, Darmstadt, Germany

pictograms

Environment
GHS09

hcodes

H411

Hazard Classifications

Aquatic Chronic 2

Storage Class

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

wgk_germany

WGK 2

flash_point_f

224.6 °F - closed cup

flash_point_c

107 °C - closed cup

ppe

Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCD0993
BCBZ6244
BCBS9671V

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Nitrate interference with potassium-selective microelectrodes.
Cuin, Tracey Ann, et al.
Journal of Experimental Botany, 50, 1709-1712 (1999)
Jijun Gao et al.
Chemosphere, 71(6), 1181-1187 (2007-11-27)
The chlorophenol pollutants (CPs) have been reported to occur at relatively high concentrations in some Chinese waters. To map the distribution of CPs in the surface water throughout China, samples were collected from over 600 sites in the seven major
Oehme, M. and Simon, W.
Analytica Chimica Acta, 86, 21-21 (1976)
Brian Roland Larsen et al.
Glia, 62(4), 608-622 (2014-02-01)
Network activity in the brain is associated with a transient increase in extracellular K(+) concentration. The excess K(+) is removed from the extracellular space by mechanisms proposed to involve Kir4.1-mediated spatial buffering, the Na(+)/K(+)/2Cl(-) cotransporter 1 (NKCC1), and/or Na(+)/K(+)-ATPase activity.
P Wuhrmann et al.
Proceedings of the National Academy of Sciences of the United States of America, 76(2), 806-808 (1979-02-01)
Changes in nuclear K+ electrochemical activity and total nuclear K+ content in salivary glands of Chironomus tentans were measured with ion-selective microelectrodes based on valinomycin and with flameless atomic absorption spectrometry, respectively. The K+ activity increased by a factor of
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