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Merck

T73601

Sigma-Aldrich

1,2,4-Trimethylbenzol

98%

Synonym(e):

Pseudocumol

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25 ML
34,20 €
500 ML
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2 L
141,00 €

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25 ML
34,20 €
500 ML
36,90 €
2 L
141,00 €

About This Item

Lineare Formel:
C6H3(CH3)3
CAS-Nummer:
Molekulargewicht:
120.19
Beilstein:
1903005
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352100
eCl@ss:
39011403
PubChem Substanz-ID:
NACRES:
NA.22

34,20 €


Versandbereit am22. April 2025Details


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Dampfdichte

4.1 (vs air)

Dampfdruck

4.5 mmHg ( 37.7 °C)

Assay

98%

Selbstzündungstemp.

959 °F

Expl.-Gr.

6.4 %

Brechungsindex

n20/D 1.504 (lit.)

bp

168 °C (lit.)

mp (Schmelzpunkt)

−44 °C (lit.)

Dichte

0.876 g/mL at 20 °C (lit.)

SMILES String

Cc1ccc(C)c(C)c1

InChI

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

InChIKey

GWHJZXXIDMPWGX-UHFFFAOYSA-N

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Allgemeine Beschreibung

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

Anwendung

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]

Signalwort

Danger

Gefahreneinstufungen

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

Zielorgane

Respiratory system

Lagerklassenschlüssel

3 - Flammable liquids

WGK

WGK 2

Flammpunkt (°F)

118.4 °F - closed cup

Flammpunkt (°C)

48.0 °C - closed cup

Persönliche Schutzausrüstung

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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Kunden haben sich ebenfalls angesehen

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)
Hans H Richnow et al.
Journal of contaminant hydrology, 64(1-2), 59-72 (2003-05-15)
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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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 Antwort
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 Antwort
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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