无色透明液体，具有芳香气味。比重0.861，熔点13.2℃，沸点138.5℃，闪点25℃，能与乙醇、乙醚、丙酮等有机溶剂混溶。可燃，低毒化合物，毒性略高于乙醇，其蒸气与空气可形成爆炸性混合物，爆炸极限1.1%～7.0%（体积分数）。
n. p-xylene ; paraxylene
聚对二甲苯 Parylene ; Poly-P-xylylene ; Poly-p-xylene ; Poly-para-xylylene
聚对二甲苯基 [高分子] parylene
对二甲苯基醚 P-tolyl ether ; Oxybis
二聚对二甲苯 Paracyclophane ; PCF
聚氯代对二甲苯 Parylene ; PPXC
六氯对二甲苯 Hexachloroparaxylene ; HCX
对二甲苯二聚体 Di-p-xylylene ; Paracyclophane
对苯二甲酸 [有化] terephthalic acid ; PTA ; TPA ; EPTA ; terephthalic acid
泰国对二甲苯公司 Thai Paraxylene ; thai px
A review is presented on benzene ring alkylation of toluene with methanol for p-xylene synthesis over modified ZSM-5 type zeolites in the last 30 years.
综述了近三十年来国内外有关在改性ZSM-5沸石催化剂上，甲苯、甲醇苯环烷基化制备对二甲苯反应的研究状况。
参考来源 - 改性ZSMpara-Xylene is a key intermediate in the synthesis of terephthalic acid and terephthalates, which are used to make polyesters. Furthermore, it is also widely used in other areas such as pharmaceutics, perfume, ink, pesticide, dye and solvent.
对二甲苯是合成用于制备聚脂的对苯二甲酸和对苯二甲酸二甲酯的重要中间体,此外,对二甲苯在医药、香料、油墨、农药、染料以及溶剂等领域也有着极其广泛的用途。
参考来源 - 甲苯甲醇烷基化制对二甲苯热力学研究The order of biochemical property is toluene better than m-xylene, m-xylene better than benzene, benzene better than p-xylene, p-xylene better than ethylbenzene and ethylbenzene better than O-xylene.
实验条件下生化降解难易顺序是：甲苯＞间二甲苯＞苯＞对二甲苯＞乙基苯＞邻二甲苯。
参考来源 - 港口水域石油污染生物降解及生物修复技术的基础研究·2,447,543篇论文数据，部分数据来源于NoteExpress
不过，未来几年也是我国对二甲苯扩能的高峰期。
However, over the next few years is the expansion of our para-xylene peak.
其异构化的目的是提高对二甲苯和邻二甲苯的收率。
Its isomerization is aimed at increasing the yields of para - and ortho - xylenes.
8月8日，一场暴风雨粉碎了该城市一家对二甲苯(PX)工厂的保护墙。
On August 8th a storm smashed through the protecting wall of a paraxylene (PX) factory in the city.
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