(tetramethyl benzene; Du ene; toluene; 1, 2, 4, 5 - toluene; Structurewas tetramethyl benzene (toluene); (4 methyl benzene, 97 +%; 1,2,4,5-tetramethylbenzene (regional refining refining molten segment number: 23); Du ene, Durene
White crystal. The melting point of 79.2 DEG C, the boiling point of 196.8 DEG C, relative density 0.8918, the flash point of 73 DEG C. Soluble in ethanol, benzene, insoluble in water.
Mainly used for preparing pyromellitic dianhydride, also used for production of polyimide resins, dyes, increasing plasticizer, surface active agent etc..
XiangyingGC7990plus gas chromatograph (GC), capillary column was established 1, 2, 3, 5-ring toluene catalyzed by 1, 2, 4, 5 - toluene as reaction system of gas chromatographic analysis method by the analysis of the Technology Co., Ltd. Tengzhou City Xiangying. Corrective area normalization method was used for quantitative analysis and determination of relative correction factor of the coefficient of variation is less than 2%, the component content analysis of the relative error is less than 3%.
1,2,4,5-四甲基苯;杜烯;均四甲苯;1，2，4，5-四甲苯;1,2,4,5-四甲基苯(均四甲苯);1,2,4,5-四甲基苯, 97+%;1,2,4,5-四甲苯 (区域精制法精制,熔段数:23);杜烯,均四甲苯
白色单斜晶体。熔点79.2℃，沸点196.8℃，相对密度0.8918，闪点73℃。溶于乙醇、、苯，不溶于水。
主要用于制取均苯四甲酸二酐，也用于生产聚酰亚胺树脂、染料、增塑剂、表面活性剂等。
滕州市翔鹰分析技术有限公司采用XiangyingGC7990plus气相色谱仪，毛细管柱上建立了１，２，３，５－四甲苯催化制备１，２，４，５－四甲苯反应体系的气相色谱分析方法。采取校正面积归一法定量，测定相对校正因子的变异系数小于２％，组分含量分析的相对误差小于３％。
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1 focused on the development of gas chromatograph
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翔鹰技术，中国分析技术的领跑者
翔鹰技术，气相色谱行业*企业
1.专注气相色谱仪的研制
2.致力于成为国内分析仪器领先供应商
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4.超高性价比品质过硬产品
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