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Key Documents

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Safety Information

T73601

Sigma-Aldrich

1,2,4-Trimethylbenzene

98%

Synonym(s):

Pseudocumene

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1 ML
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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:
12352100
eCl@ss:
39011403
PubChem Substance ID:
24900445
NACRES:
NA.22

CN¥1,681.42

Estimated to ship onJune 25, 2025Details

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vapor density

4.1 (vs air)

vapor pressure

4.5 mmHg ( 37.7 °C)

Assay

98%

autoignition temp.

959 °F

expl. lim.

6.4 %

refractive index

n20/D 1.504 (lit.)

bp

168 °C (lit.)

mp

−44 °C (lit.)

density

0.876 g/mL at 20 °C (lit.)

SMILES string

Cc1ccc(C)c(C)c1

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AB2148P

Anti-Tumor Necrosis Factor-α Antibody

抗肿瘤坏死因子-α 抗体。 Chemicon®, from rabbit

AB1837P

抗肿瘤坏死因子-α 抗体。

Anti-Tumor Necrosis Factor-α Antibody, clone 2C8 clone 2C8, Chemicon®, from mouse

MAB1021

Anti-Tumor Necrosis Factor-α Antibody, clone 2C8

Monoclonal Anti-Tumor Necrosis Factor-α antibody produced in mouse clone 28401, purified immunoglobulin, lyophilized powder

T6817

Monoclonal Anti-Tumor Necrosis Factor-α antibody produced in mouse

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

biological source

rabbit

biological source

rabbit

biological source

mouse

biological source

mouse

species reactivity

mouse

species reactivity

rat

species reactivity

human

species reactivity

human

clone

polyclonal

clone

polyclonal

clone

2C8, monoclonal

clone

28401, monoclonal

UniProt accession no.

P06804

UniProt accession no.

P01375

UniProt accession no.

P01375

UniProt accession no.

P01375

General description

1,2,4-Trimethylbenzene, also known as Pseudocumene is an alkylated aromatics that is commonly used in the synthesis of polycyclic aromatic hydrocarbons. [1]

Application

1,2,4-Trimethylbenzene can be used as a reactant to synthesize:
  • 2,3,5-Trimethylbenzoquinone via oxidation reaction with phthaloyl peroxide under solvent-free conditions.[2]      
  • 1,2,4,5-Tetramethylbenzene (durene) by methylation using syngas in the presence of Cu and Zn-based bifunctional catalysts.[3]
  •  1,2,4-Oxadiazole derivatives via tandem reaction with nitroalkenes and nitriles in the presence of superacid CF3SO3H (TfOH).[4]

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

Regulatory Information

危险化学品

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Certificates of Analysis (COA)

Lot/Batch Number
MKCV7979
MKCV5033
STBK9250
MKCS3776
MKCS3775

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Synthesis of durene by methylation of 1, 2, 4-trimethylbenzene with syngas over bifunctional CuZnZrO x-HZSM-5 catalysts
Wen D, et al.
Catalysis Science & Technology (2022)
Polycyclic aromatic hydrocarbon formation in a flame of the alkylated aromatic trimethylbenzene compared to those of the alkane dodecane
Tirthankar M, et al.
Combustion and Flame, 223, 495-510 (2021)
Andrei A Golushko et al.
The Journal of organic chemistry, 84(11), 7495-7500 (2019-05-24)
The tandem reaction of nitroalkenes with arenes and nitriles in the superacid CF3SO3H (TfOH) results in the formation of 1,2,4-oxadiazole derivatives in yields up to 96%. This reaction proceeds via the consequent interaction of arenes and nitriles, as nucleophiles, with
An efficient synthesis of 2, 3, 5-trimethylbenzoquinone by metal-free oxidation of 1, 2, 4-trimethylbenzene
Yerramreddy TR, et al.
J. Chem. Res. (M), 43(11-12), 565-568 (2019)
B Bühler et al.
The Journal of biological chemistry, 275(14), 10085-10092 (2000-04-01)
Xylene monooxygenase of Pseudomonas putida mt-2 catalyzes the methylgroup hydroxylation of toluene and xylenes. To investigate the potential of xylene monooxygenase to catalyze multistep oxidations of one methyl group, we tested recombinant Escherichia coli expressing the monooxygenase genes xylM and
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