Dangerous goods
Dangerous Goods Class 5.1 — Oxidizer
Last updated: 6 Jul 2026Reviewed by Ms. Rubab Nizami, Lead AVSEC Faculty
In short
Dangerous-goods Class 5.1 is oxidizer. Substances that release oxygen and intensify a fire, such as some pool chemicals and fertilisers. Its hazard label is a yellow diamond showing a flame over a circle.
- Class
- 5.1
- Label colour
- Yellow
- Symbol
- Flame over a circle
- Passenger baggage
- Generally forbidden in passenger baggage.
What are examples of Class 5.1?
Examples include UN 1942 Ammonium nitrate, UN 2014 Hydrogen peroxide, aqueous. Substances that release oxygen and intensify a fire, such as some pool chemicals and fertilisers.
How is Class 5.1 handled and labelled?
Keep away from combustibles; the label is a yellow diamond with a flame over a circle. For passengers: generally forbidden in passenger baggage.