Description
Placard, Class 3 (UN 3494) – Petroleum Sour Crude Oil, Flammable, Toxic
UN Number: 3494
Proper Shipping Name:
- U.S. DOT (49 CFR): Petroleum sour crude oil, flammable, toxic
- Canadian TDG: Petroleum sour crude oil, flammable, toxic
Class: 3 (Flammable Liquid)
Subsidiary Class: 6.1 (Toxic) – dual hazard (flammable + toxic).
Placard Color & Symbol:
- Class 3 placard: Red background with black flame symbol; hazard class number “3” at bottom; “3494” in the white space.
- Class 6.1 Toxic placard (white with skull & crossbones) may also be required, depending on mode of transport and quantity.
Hazards: Extremely flammable liquid and vapor; contains toxic hydrogen sulfide (H₂S) and other sulfur compounds; inhalation hazard; can cause serious or fatal poisoning; environmental hazard if spilled.
Placard Size: 11 × 11 inches (27.9 × 27.9 cm)