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40870

Supelco

1,2-Dimethyl-3-nitrobenzene

Selectophore™, ≥99.0%

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

grade

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.
Visit our Sensor Applications portal to learn more.

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. It was used as internal standard for GC-MS analysis of 2,4-dichlorophenol, 2,4,6-trichlorophenol, and pentachlorophenol.

Other Notes

Additive for preparing K+-selective electrodes

Legal Information

Selectophore is a trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Environment
GHS09

Hazard Statements

H411

Precautionary Statements

P273 - P391 - P501

Hazard Classifications

Aquatic Chronic 2

WGK

WGK 2

Flash Point(F)

224.6 °F

Flash Point(C)

107 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

危险化学品

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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Nitrate interference with potassium-selective microelectrodes.
Cuin, Tracey Ann, et al.
Journal of Experimental Botany, 50, 1709-1712 (1999)
Oehme, M. and Simon, W.
Analytica Chimica Acta, 86, 21-21 (1976)
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
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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