
UN 3500
CHEMICAL UNDER PRESSURE, N.O.S.
ADR 2025 · Class 2 · carriage of dangerous goods by road
- Class
- 2
- Classif.
- 8A
- Hazard labels
- 2.2
- Transport cat.
- 3 (C/E)
- Class
- 2
- Classification code
- 8A
- Hazard labels
- 2.2

- Limited quantities
- 0
- Excepted quantities
- E0
- Packing instructions
- P206
- Special packing
- PP97
- Mixed packing
- MP9
- Tank instruction
- T50
- Vehicle type
- AT
- Hazard number
- 20
- Exemption limit
- 1000 kg/L
Special provisions
SP 274
The provisions of 3.1.2.8 apply.
SP 659
Substances to which PP86 or TP7 are assigned in column (9a) and column (11) of Table A in Chapter 3.2 and therefore require air to be eliminated from the vapour space, shall not be used for carriage under this UN number but shall be carried under their respective UN numbers as listed in Table A of Chapter 3.2. NOTE: See also 2.2.2.1.7.