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蒸汽密度
4.1 (vs air)
蒸汽压
4.5 mmHg ( 37.7 °C)
方案
98%
自燃温度
959 °F
expl. lim.
6.4 %
折射率
n20/D 1.504 (lit.)
沸点
168 °C (lit.)
mp
−44 °C (lit.)
密度
0.876 g/mL at 20 °C (lit.)
SMILES字符串
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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一般描述
1,2,4-Trimethylbenzene, also known as Pseudocumene is an alkylated aromatics that is commonly used in the synthesis of polycyclic aromatic hydrocarbons.
应用
1,2,4-三甲基苯可用作合成以下物质的反应物：
- 在无溶剂条件下与过氧化邻苯二甲酰进行氧化反应生成2,3,5-三甲基苯醌。
- 在Cu和Zn基双功能催化剂存在的情况下进行合成气的甲基化反应生成1,2,4,5-四甲苯。
- 在存在超强酸CF3SO3H (TfOH)的情况下通过与硝基烯和腈的串联反应生成1,2,4-噁二唑衍生物。
警示用语：
Danger
危险分类
Acute Tox. 4 Inhalation - Aquatic Chronic 2 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
靶器官
Respiratory system
储存分类代码
3 - Flammable liquids
WGK
WGK 2
闪点(°F)
118.4 °F - closed cup
闪点(°C)
48.0 °C - closed cup
个人防护装备
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
法规信息
危险化学品
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)
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)
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)
Z Zheng et al.
Applied microbiology and biotechnology, 57(4), 572-578 (2002-01-05)
Laboratory batch experiments were performed with contaminated aquifer sediments and four soluble aromatic components of jet fuel to assess their biodegradation under anaerobic conditions. The biodegradation of four aromatic compounds, toluene, o-xylene, 1,2,4-trimethylbenzene (TMB), and naphthalene, separately or together, was
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