无色透明液体，有类似甲苯的臭味。密度0.88(水=1)、3.66(空气=1)，熔点-25.5℃，自燃点463℃，爆炸极限1%～7%。用作溶剂和涂料生产，属于低毒类，急性毒性：LD50 1364mg/kg(小鼠静脉) 生殖毒性：大鼠吸入最低中毒浓度(TDL0):1500mg/m3。
n. o-xylene
abbr. GX
misc. OX(ortho-xylene)
... orexin 阿立新；食欲素(肥胖素，开胃素，增食因子，一种神经肽) ortho xylene 邻二甲苯 orthopyroxene 斜方辉石 ...
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硝基邻二甲苯 Nitro-o-xylene
4-硝基邻二甲苯 Nitro-o-xylene ; Dimethyl-4-nitrobenzene
3-硝基邻二甲苯 Nitro-o-xylene
氯邻二甲苯 Chloro-o-xylene ; chloro-ortho xylene ; alpha-Chloro-o-xylene
溴邻二甲苯 Bromo-o-xylene
4-氯邻二甲苯 Chloro-o-xylene ; CHLORO-1,2-DIMETHYLBENZENE ; benzene, 4-chloro-1,2-dimethyl
3-溴邻二甲苯 Bromo-o-xylene ; Bromo-1,2-dimethylbenzene
4-氟邻二甲苯 Dimethyl-4-fluorobenzene ; Fluoro-o-xylene ; Fluoro-1,2-dimethylbenzene ; Dimethylfluorobenzene
In the second section, the selective nitration of o-xylene had been studied.
第二部分，提高邻二甲苯硝化选择性的研究思路和研究内容。
参考来源 - 邻二甲苯的选择性硝化及低压液相催化加氢研究·2,447,543篇论文数据，部分数据来源于NoteExpress
苯酐渣系萘氧化或邻二甲苯氧化的副产物。
Phthalic anhydride residue is the by product from oxidation of naphthalene oro xylene.
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.
本标准溶液以纯邻二甲苯在超净实验室中准确配制并分装于2毫升安瓿中。
This standard solution was accurately prepared in super-clean laboratory with o-xylene and sub-packed in 2ml ampoules.
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