Hazard Class

4.3

Flammable Solids

Classification Code

Packing Group

High danger

Hazard ID No.

X423

Kemler code

Transport Category

For 1,000-point rule

Tunnel Code

B/E

Tunnel restriction

Hazard Labels Required

Label 4.3

These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.

Quantity Limits & Transport

Limited Quantity

Max per inner package for LQ relief

Excepted Quantity

EQ code for excepted quantity relief

Transport Category

0=highest, 4=lowest restriction

Tunnel Restriction

B/E

Code governing tunnel passage

Use this data programmatically

GET /api/adr?un=2257

POTASSIUM