Category Nuances for phosgene:

• real,
• sensitive,
• soluble,
• volatile,
• toxic,
• insoluble,
• vesicant,
• respiratory,
• critical,
• corrosive,
• acidic,
• suffocating,
• key,
• poisonous,
• irritating,
• noxious,
• deadly,
• chemical,

Simple Categories for phosgene:

• substance,
• system,
• fumes,
• gas,
• fluid,