Overview
Transport classification and identification for dangerous goods by road
Classification Details
Hazard labelling, danger number, and packing group information
I
I = High danger, II = Medium danger, III = Low danger
4.3 4.3
Required on packages and vehicles
X323
Kemler code on orange-colored plates
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Transport Regulations
Transport category, tunnel restrictions, and special provisions
1
Determines maximum quantity per transport unit
(B/E)
Restrictions for passage through road tunnels
182 183 506 182 183 506
Quantity Limits
Limited and excepted quantity thresholds for simplified transport
0
Maximum under simplified transport provisions
E0
Exempt from certain ADR provisions
Packing Instructions
Packaging requirements, special provisions, and mixed packing rules
P402
RR8
MP2 MP21 MP2 MP21
Operational Provisions
Special requirements for packaging, loading/unloading, and transport operations
V1
CV23 CV23
S20
Similar Substances
Alternative substances with comparable transport classifications
ALKALI METAL AMALGAM, LIQUID
UN 1389 · Class 4.3 · PG I
ALKALINE EARTH METAL AMALGAM, LIQUID
UN 1392 · Class 4.3 · PG I
POTASSIUM METAL ALLOYS, LIQUID
UN 1420 · Class 4.3 · PG I
ALKALI METAL ALLOY, LIQUID, N.O.S.
UN 1421 · Class 4.3 · PG I
POTASSIUM SODIUM ALLOYS, LIQUID
UN 1422 · Class 4.3 · PG I
WATER-REACTIVE LIQUID, N.O.S.
UN 3148 · Class 4.3 · PG I
ORGANOMETALLIC SUBSTANCE, LIQUID, WATER- REACTIVE
UN 3398 · Class 4.3 · PG I
CALCIUM CARBIDE
UN 1402 · Class 4.3 · PG I
CALCIUM HYDRIDE
UN 1404 · Class 4.3 · PG I
CAESIUM
UN 1407 · Class 4.3 · PG I
This information is provided for general guidance only. Users must verify all information against current official ADR documentation. For complete regulations, consult the official ADR text and relevant national regulations.