UN 1017Class 2 — Gases
- Packing Group
- N/A
- Not applicable
- Classification Code
- 2TOC
- Transport Category
- 1
- For the 1,000-point rule (0 = highest restriction)
- Hazard ID No.
- 265
- Kemler code
- Limited Quantity
- 0
- Max per inner package for LQ relief
- Excepted Quantity
- E0
- EQ code for excepted quantity relief
Thresholds — why, not just the verdict
Transport Category
Category 1 (note a)
×20 points per kg — ADR 1.1.3.6.3 note a entry: up to 50 kg of this substance alone stays under the 1,000-point threshold (1.1.3.6.4 multiplier "20", not the generic category-1 "50")
Per-substance max
50 kg
Per-substance maximum for 1.1.3.6 relief — ADR 1.1.3.6.3 note a: "the total maximum quantity per transport unit shall be 50 kg"
Limited Quantity
Not permitted
No limited-quantity relief for this entry (Chapter 3.4)
Excepted Quantity
E0
No excepted-quantity relief for this entry (Chapter 3.5)
Hazard Labels Required
Label 2.3Label 5.1Label 8
These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.