甲基肼 PMID 1238907. S2CID 178876. doi:10.1007/BF00625355. Immediately Dangerous to Life or Health Concentrations (IDLHs) (报告). U.S. Centers for Disease Control
2,2'-二氯乙醚Weinheim: Wiley-VCH, 2005, doi:10.1002/14356007.a02_289 CDC - Immediately Dangerous to Life or Health Concentrations (IDLH): Dichloroethyl ether - NIOSH Publications
2,4-二硝基甲苯(mixed isomers). Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH). 4 December
二溴磷Pocket Guide to Chemical Hazards. #0225. NIOSH. Dimethyl-1,2-dibromo-2,2-dichlorethyl phosphate (Naled). Immediately Dangerous to Life or Health Concentrations
磷化氢4杂质的PH 3在空气中会自燃,放出明亮的火焰。磷化氢有剧毒,浓度50 ppm时就会立即危及生命或健康(英语:immediately dangerous to life or health)。它有三角锥形分子构型。 拉瓦锡的学生菲利普·冈冈布勒(德语:Philippe