T73601
1,2,4-三甲基苯
98%
别名:
偏三甲苯
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
1,2,4-三甲基苯，又称假枯烯，是一种烷基化芳烃，常用于多环芳烃合成。
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
此项目有
Synthesis of durene by methylation of 1, 2, 4-trimethylbenzene with syngas over bifunctional CuZnZrO x-HZSM-5 catalysts
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Combustion and Flame, 223, 495-510 (2021)
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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
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J. Chem. Res. (M), 43(11-12), 565-568 (2019)
C M Kao et al.
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Contamination of groundwater by petroleum-hydrocarbons is a serious environmental problem. The Monitored Natural Attenuation (MNA) approach is a passive remediation to degrade and dissipate groundwater contaminants in situ. In this study, a full-scale natural bioremediation investigation was conducted at a
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