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130303

Sigma-Aldrich

1,2-Dimethyl-3-nitrobenzene

97%

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:
12352100
PubChem Substance ID:
24847958
NACRES:
NA.22

assay

97%
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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Application

1,2-Dimethyl-3-nitrobenzene (3-Nitro-o-xylene) was used to prepare 2-methyl-3-nitrobenzylidene diacetate[1]. It was also used to dissolve sodium-selective ligand[2].

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, multi-purpose combination respirator cartridge (US)

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Certificates of Analysis (COA)

Lot/Batch Number
STBJ7430
STBH9636
STBG9130
STBG3456V
STBG2216V

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o-Xylene anhydrous, 97%

Sigma-Aldrich

294780

o-Xylene

Oxidation and Claisen condensation products of 3-nitro-o-xylene.
V Askam et al.
Journal of the Chemical Society. Perkin transactions 1, 14, 1935-1939 (1969-01-01)
J O'Doherty et al.
Science (New York, N.Y.), 203(4387), 1349-1351 (1979-03-30)
The sodium-selective ligand 1,1,1-tris[1(1)-(2(1)-oxa-4(1)-oxo-5(1)-aza-5(1)-methyl)dodecanyl]propane dissolved in 3-nitro-o-xylene containing a small amount of the lipophilic anion tetrachlorophenyl borate was used as a liquid ion-exchanger in sodium-selective microelectrodes. The microelectrodes gave rapid, stable responses that were linear functions of the logarithm of
Brian Roland Larsen et al.
The Journal of physiology, 597(2), 583-597 (2018-10-26)
Neuronal activity induces fluctuation in extracellular space volume, [K+ ]o and pHo , the management of which influences neuronal function The neighbour astrocytes buffer the K+ and pH and swell during the process, causing shrinkage of the extracellular space In
Trine Lisberg Toft-Bertelsen et al.
Glia, 69(1), 28-41 (2020-06-09)
The mammalian brain consists of 80% water, which is continuously shifted between different compartments and cellular structures by mechanisms that are, to a large extent, unresolved. Aquaporin 4 (AQP4) is abundantly expressed in glia and ependymal cells of the mammalian

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