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45996

Supelco

1,2,4-Trimethylbenzene

analytical standard

Synonym(s):

Pseudocumene

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About This Item

Linear Formula:
C6H3(CH3)3
CAS Number:
95-63-6
Molecular Weight:
120.19
Beilstein:
1903005
EC Number:
202-436-9
MDL number:
MFCD00008527
UNSPSC Code:
41116107
eCl@ss:
39011403
PubChem Substance ID:
329757044
NACRES:
NA.24

grade

analytical standard

Quality Level

100

vapor density

4.1 (vs air)

vapor pressure

4.5 mmHg ( 37.7 °C)

autoignition temp.

959 °F

shelf life

limited shelf life, expiry date on the label

expl. lim.

6.4 %

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

refractive index

n20/D 1.504 (lit.)

bp

168 °C (lit.)

mp

−44 °C (lit.)

density

0.876 g/mL at 20 °C (lit.)

application(s)

environmental

format

neat

SMILES string

Cc1ccc(C)c(C)c1

InChI

1S/C9H12/c1-7-4-5-8(2)9(3)6-7/h4-6H,1-3H3

InChI key

GWHJZXXIDMPWGX-UHFFFAOYSA-N

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Application

1,2,4-Trimethylbenzene may be used as an analytical reference standard for the quantification of the analyte in environmental samples[1] using gas chromatography coupled to mass spectrometry (GC-MS).[1]
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

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Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Aquatic Chronic 2 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

118.4 °F - closed cup

Flash Point(C)

48.0 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCCG4534
BCCB7272
BCBR9662V

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Concentrations and isotopic compositions (13C/12C) of aromatic hydrocarbons were determined in eight samples obtained from the strongly anoxic part of the leachate plume downgradient from the Vejen Landfill (Denmark), where methanogenic, sulfate-reducing and iron-reducing conditions were observed. Despite the heterogeneous
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Biotechnology and bioengineering, 81(6), 683-694 (2003-01-17)
The two-liquid phase concept was used to develop a whole cell biocatalytic system for the efficient multistep oxidation of pseudocumene to 3,4-dimethylbenzaldehyde. Recombinant Escherichia coli cells were employed to express the Pseudomonas putida genes encoding xylene monooxygenase, which catalyzes the
G Korinth et al.
International archives of occupational and environmental health, 76(5), 382-386 (2003-05-10)
The aim of the experiments was to evaluate the efficacy of skin barrier creams (SBCs) and protective gloves and its potential for reduction of percutaneous absorption of industrial solvents. We assessed percutaneous absorption of ethylene glycol (EG), isopropyl alcohol (IA)
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