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UN1436

ZINC POWDER or ZINC DUST

Class 4.3 — Flammable SolidsPacking Group I3 variants
UN 1436 has 3 classification variants in ADR 2025 — different hazard divisions or descriptions for the same UN number. Each variant may have different transport requirements.
Variant 1 of 3

ZINC POWDER or ZINC DUST

Hazard Class
4.3
Flammable Solids
Classification Code
WS
Packing Group
I
High danger
Hazard ID No.
—
Kemler code
Transport Category
1
For 1,000-point rule
Tunnel Code
(E)
Tunnel restriction
Hazard Labels Required
Label 4.3Label 4.2

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
(E)
Code governing tunnel passage
Variant 2 of 3

ZINC POWDER or ZINC DUST

Hazard Class
4.3
Flammable Solids
Classification Code
WS
Packing Group
II
Medium danger
Hazard ID No.
423
Kemler code
Transport Category
2
For 1,000-point rule
Tunnel Code
(D/E)
Tunnel restriction
Hazard Labels Required
Label 4.3Label 4.2

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
E2
EQ code for excepted quantity relief
Transport Category
2
0=highest, 4=lowest restriction
Tunnel Restriction
(D/E)
Code governing tunnel passage
Variant 3 of 3

ZINC POWDER or ZINC DUST

Hazard Class
4.3
Flammable Solids
Classification Code
WS
Packing Group
III
Low danger
Hazard ID No.
423
Kemler code
Transport Category
3
For 1,000-point rule
Tunnel Code
(E)
Tunnel restriction
Hazard Labels Required
Label 4.3Label 4.2

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
E1
EQ code for excepted quantity relief
Transport Category
3
0=highest, 4=lowest restriction
Tunnel Restriction
(E)
Code governing tunnel passage
Check if UN 1436 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=1436
View API Docs →
📅Data: UNECE ADR 2025, licensed from Labeline.com. Last verified April 2026

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

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