/
FreightUtils.com
🔍
Calculators
LDM CalculatorCBM CalculatorChargeable WeightPallet FittingContainer CapacityUnit ConverterConsignment Calculator
Reference
ADR Dangerous GoodsADR Exemption CalculatorAirline CodesINCOTERMS 2020HS Code LookupUK Import Duty & VATUN/LOCODE LookupULD Types (Air Cargo)Vehicle & Trailer Types
Guides
LQ/EQ CheckerADR 2025 ChangesADR Tunnel CodesADR Limited QuantitiesADR Training Guide
Platform
ChangelogStatusRoadmapVersioning PolicyDeprecation Policy
API DocsPricingAboutContact
UN1420

POTASSIUM METAL ALLOYS, LIQUID

Class 4.3 — Flammable SolidsPacking Group I
Hazard Class
4.3
Flammable Solids
Classification Code
W1
Packing Group
I
High danger
Hazard ID No.
X323
Kemler code
Transport Category
1
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
0
Max per inner package for LQ relief
Excepted Quantity
E0
EQ code for excepted quantity relief
Transport Category
1
0=highest, 4=lowest restriction
Tunnel Restriction
(B/E)
Code governing tunnel passage
Check if UN 1420 qualifies for 1.1.3.6 exemption
Calculate small load points and check exemption thresholds
Open calculator →

Other Flammable Solids (Class 4)

UN 1183
ETHYLDICHLOROSILANE
UN 1242
METHYLDICHLOROSILANE
UN 1295
TRICHLOROSILANE
UN 1309
ALUMINIUM POWDER, COATED
UN 1310
AMMONIUM PICRATE, WETTED with no…
Use this data programmatically
GET /api/adr?un=1420
View API Docs →
📅Data: UNECE ADR 2025, licensed from Labeline.com. Last verified May 2026

ADR reference data only. Classification is the consignor's legal responsibility. Consult a DGSA for compliance decisions.

Stay updated
ADR 2027 changes, new tools, and freight industry updates. No spam, unsubscribe anytime.
Related Tools
ADR 1.1.3.6 Exemption Calculator →LQ/EQ Checker →ADR Dangerous Goods Lookup →

Found an error? Let us know → contact@freightutils.com

← UN1419↑ Back to searchUN1421 →