Hydrochloric acid is a chemical most commonly used in cleaning products. According to the National Library of Medicine, hydrochloric acid is a colorless watery liquid with a sharp, irritating odor.

The claim: A 'massive death plume' is raining down hydrochloric acid after Ohio train derailment. A Feb. 13 Facebook post (direct link, archived link) shows a screenshot of a tweet about the Feb ...

Crews continued efforts Thursday to neutralize hydrochloric acid that spilled during a train derailment in southern Louisiana, prompting evacuations and road closures, officials said. Officials in ...

MINNEAPOLIS — Crews have cleaned up a hydrochloric acid spill that occurred on a Minneapolis parkway Thursday afternoon, fire officials said. The spill occurred around 11:15 a.m. at a business ...