UN 2073Class 2 — Gases
- Packing Group
- N/A
- Not applicable
- Classification Code
- 4A
- Tunnel Code
- (E)
- Code governing tunnel passage
- Transport Category
- 3
- For the 1,000-point rule (0 = highest restriction)
- Hazard ID No.
- 20
- Kemler code
- Limited Quantity
- 120 ml
- Max per inner package for LQ relief
- Excepted Quantity
- E0
- EQ code for excepted quantity relief
Hazard Labels Required
Label 2.2
These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.