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二硝基甲苯 (ＤＮＴ)共有 6种同分异构体 ,均是由甲苯硝化生成的。ＤＮＴ的主要用途是制造二异氰酸盐 ,进而制造聚氨酯软泡沫。在美国每年约有上万吨的ＤＮＴ被用来制造聚氨酯软泡沫[1] 。另外ＤＮＴ也是生产三硝基甲苯 (ＴＮＴ)炸药的必要中间体。在我国目前共有 5 0 0余家厂
There are 6 isomers of dinitrotoluene (DNT), all of which are formed by the nitration of toluene. The main purpose of DNT is to manufacture diisocyanates to make polyurethane flexible foams. Approximately 10,000 tons of DNT are used to make polyurethane flexible foams in the United States each year [1]. DNT is also an essential intermediate for the production of TNT explosives. There are currently over 500 factories in our country