Name: UN 1931 — ZINC DITHIONITE (ZINC HYDROSULPHITE)
Creator: FreightUtils
License: https://creativecommons.org/licenses/by/4.0/

Hazard Class

Miscellaneous Dangerous Substances

Classification Code

M11

Packing Group

III

Low danger

Hazard ID No.

Kemler code

Transport Category

For 1,000-point rule

Tunnel Code

(E)

Tunnel restriction

Hazard Labels Required

Label 9

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

Quantity Limits & Transport

Limited Quantity

5 kg

Max per inner package for LQ relief

Excepted Quantity

EQ code for excepted quantity relief

Transport Category

0=highest, 4=lowest restriction

Tunnel Restriction

(E)

Code governing tunnel passage

Check if UN 1931 qualifies for 1.1.3.6 exemption

Calculate small load points and check exemption thresholds

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Other Miscellaneous Dangerous Substances (Class 9)

UN 1841

ACETALDEHYDE AMMONIA

UN 1845

Carbon dioxide, solid (Dry ice)

UN 1941

DIBROMODIFLUORO-METHANE

UN 1990

BENZALDEHYDE

UN 2071

AMMONIUM NITRATE BASED FERTILIZER

Use this data programmatically

GET /api/adr?un=1931

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📅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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