2,4-二硝基甲苯(英语:2,4-Dinitrotoluene,缩写DNT,或称为甲基二硝基苯,Methyldinitrobenzene)是一种有机化合物,分子式C7H6N2O4,常温常压下为黄色晶状固体,是合成三硝基甲苯(TNT)和甲苯二异氰酸酯的前体物质,列入优先控制化学品名录[5]。
2,4-二硝基甲苯 | |
---|---|
IUPAC名 1-Methyl-2,4-dinitrobenzene | |
别名 | Dinitrotoluol, Methyldinitrobenzene |
识别 | |
CAS号 | 121-14-2 |
PubChem | 8461 |
ChemSpider | 8150 |
SMILES |
|
InChI |
|
InChIKey | RMBFBMJGBANMMK-UHFFFAOYAC |
UN编号 | Molten: 1600 Solid or liquid: 2038 |
ChEBI | 920 |
KEGG | C11006 |
性质 | |
化学式 | C7H6N2O4 |
摩尔质量 | 182.13 g·mol−1 |
外观 | Pale yellow to orange crystalline solid |
密度 | 1.52 g/cm3[1] |
熔点 | 70 °C(343 K) |
沸点 | Decomposes at 250–300 °C[1] |
蒸气压 | 1.47X10-4 mm Hg @ 22 C |
危险性 | |
主要危害 | carcinogen, combustible (though difficult to ignite)[3] |
PEL | TWA 1.5 mg/m3 [skin][3] |
致死量或浓度: | |
LD50(中位剂量)
|
216 mg/kg (oral, rat, 3,5-isomer) 1,954 mg/kg (oral, mouse, 2,4-isomer)[4] |
LDLo(最低)
|
27 mg/kg (2,4 isomer, cat, oral)[4] |
爆炸性 | |
撞击感度 | Insensitive |
摩擦感度 | Very low |
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
参考文献
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