According to the Chemical Data Guide, which material would corrode upon contact with aniline?

Correct Answer: Option C — Copper

According to the Coast Guard Chemical Data Guide (COMDTINST M16465.12), aniline attacks copper and copper-base alloys, causing rapid corrosion. Officers must consult compatibility charts in 46 CFR Part 150 before designating piping and tank materials for hazardous liquid cargoes.