Battery fluid, acid is assigned to which hazardous-material class?
Correct answer: D. – Class 8 corrosive material
The federal Hazardous Materials Table lists Battery fluid, acid, UN2796, as a Class 8 corrosive material. Class 8 covers liquids or solids that can destroy human skin tissue or significantly corrode certain metals. “Minor fire hazard” is not a hazardous-material class, and battery acid is not classified as a flammable liquid or poison for this entry.
Source: 49 CFR § 172.101 — Purpose and Use of Hazardous Materials Table; “Battery Fluid, Acid”


