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. 2023 Jan 4;11(1):52. doi: 10.3390/toxics11010052

Table 2.

Characteristics of some deadly CWA [46].

CWA Mr
(Relative Molecular Mass)
LCt50 Inhal. mg·min/m3 LD50 p.c. (Liquid) mg·min/m3 LCt50 p.c.
(Vapour) mg·min/m3
Sulphur mustard/yperite (HD) 159.1 1000 1400 10,000
Nitrogen mustard (HN-3) 204.5 1000 1400 10,000
Lewisite (L, L-1) 207.3 1000 1400 5000
Tabun (GA) 162.1 70 1500 15,000
Sarin (GB) 140.1 35 1700 12,000
Soman (GD) 182.2 35 350 3000
VX 267.4 15 5 150
RVX (R-33) 267.4 15 (?) 5 (?) 150 (?)

HD: bis(2-chloroethyl)sulphide; HN-3: tris(2-chloroethyl)amine; L: dichloro(2-chlorovinyl)arsane; GA: ethyl-(dimethylphosphoramido)cyanidate; GB: isopropyl-methylphosphonofluoridate; GD: (3,3-dimethylbutan-2-yl)-methylphosphonofluoridate; VX: S-[(2-diisopropylamino)ethyl]-O-ethyl-methylphosphonothiolate; S-[(2-diethylamino)ethyl]-O-isobutyl-methylphosphonothiolate.