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Safety Information

N28604

Sigma-Aldrich

1,2-Dimethyl-4-nitrobenzene

99%

Synonym(s):

4-Nitro-o-xylene

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About This Item

Linear Formula:
(CH3)2C6H3NO2
CAS Number:
99-51-4
Molecular Weight:
151.16
Beilstein:
2043245
EC Number:
202-761-6
MDL number:
MFCD00007268
UNSPSC Code:
12352100
PubChem Substance ID:
24897599
NACRES:
NA.22

Quality Level

100

Assay

99%
99%

form

solid

bp

143 °C/20 mmHg (lit.)

mp

27-30 °C (lit.)

density

1.139 g/mL at 25 °C (lit.)

SMILES string

Cc1ccc(cc1C)[N+]([O-])=O

InChI

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

InChI key

HFZKOYWDLDYELC-UHFFFAOYSA-N

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Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302

Precautionary Statements

P264 - P270 - P301 + P312 - P501

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

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

WGK

WGK 2

Flash Point(F)

235.4 °F - closed cup

Flash Point(C)

113 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

N28604-1KG:
N28604-10KG:
N28604-100G:
N28604-500G:
N28604-BULK:
N28604-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
STBH0321
STBH0028
STBF7333V
STBD7634V
STBD1703V

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M J Dunphy et al.
Analytical biochemistry, 184(2), 381-387 (1990-02-01)
A microanalytical gas chromatographic (GC) method for the analysis of nitrate in rat urine is described. The method involves the conversion of nitrate to nitromesitylene and quantitation using 3,4-dimethylnitrobenzene as an internal standard. The nitroaromatics were separated on a wide-bore

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