| Impure sulfur mustard (H) |
Pale yellow to dark brown |
Garlic or mustard |
| Distilled sulfur mustard (HD) |
Pale yellow to dark brown |
Garlic or mustard |
| Lewisite (L) |
Pure: colorless
Agent: amber to dark brown |
Geranium |
| Chlorobenzylidene Malononitrile (CS) |
White crystalline powder |
Pepper |
| Diphenylaminearsine (DM) |
Yellow-green crystalline solid |
No odor |
| Hydrogen Cyanide (AC) |
Gas |
Bitter almonds or peach kernels |
