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蒸汽密度
4.1 (vs air)
蒸汽壓力
4.5 mmHg ( 37.7 °C)
化驗
98%
自燃溫度
959 °F
expl. lim.
6.4 %
折射率
n20/D 1.504 (lit.)
bp
168 °C (lit.)
mp
−44 °C (lit.)
密度
0.876 g/mL at 20 °C (lit.)
SMILES 字串
Cc1ccc(C)c(C)c1
InChI
1S/C9H12/c1-7-4-5-8(2)9(3)6-7/h4-6H,1-3H3
InChI 密鑰
GWHJZXXIDMPWGX-UHFFFAOYSA-N
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一般說明
1,2,4-Trimethylbenzene, also known as Pseudocumene is an alkylated aromatics that is commonly used in the synthesis of polycyclic aromatic hydrocarbons.
應用
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。
訊號詞
Danger
危險分類
Acute Tox. 4 Inhalation - Aquatic Chronic 2 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
標靶器官
Respiratory system
儲存類別代碼
3 - Flammable liquids
水污染物質分類（WGK）
WGK 2
閃點（°F）
118.4 °F - closed cup
閃點（°C）
48.0 °C - closed cup
個人防護裝備
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
其他客户在看
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)
Bruno Bühler et al.
Biotechnology and bioengineering, 82(7), 833-842 (2003-04-18)
Oxygenases catalyze, among other interesting reactions, highly selective hydrocarbon oxyfunctionalizations, which are important in industrial organic synthesis but difficult to achieve by chemical means. Many enzymatic oxygenations have been described, but few of these have been scaled up to industrial
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
F Solano-Serena et al.
Letters in applied microbiology, 30(1), 19-22 (2000-03-23)
A methodology was devised and was found useful for the selection of populations degrading recalcitrant hydrocarbons. The work was part of a programme aiming at developing knowledge of the intrinsic capacities of autochtonous microflorae of the environment for gasoline biodegradation.
S Gralewicz et al.
Neurotoxicology, 22(1), 79-89 (2001-04-20)
Trimethylbenzene (TMB), like xylene (dimethylbenzene), is a significant constituent of some industrial solvent mixtures. In earlier studies, we found that in the rat a subacute low-level inhalation exposure to some of the TMB isomers may result in behavioral alterations detectable
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