UN1942 — Ammonium nitrate,

Class 5.1

Quick facts: UN1942

What it is
Ammonium nitrate, with not more than 0.2% combustible substances, including any organic substance calculated as carbon, to the exclusion of any other added substance
Hazard class
5.1
Packing group
III
Label
Division 5.1 - Oxidizer
Packaging (49 CFR 173)
Exceptions §173.152 · Non-bulk §173.213 · Bulk §173.240
Air limit per package
Passenger aircraft: 25 kg · Cargo aircraft: 100 kg
Special provisions
148, A1, A29, B120, IB8, IP3, T1, TP33

Source: 49 CFR 172.101 Hazardous Materials Table — UN1942 (2025-01-01)

UN Number
UN1942
Hazard Class
5.1
Packing Group
III

Hazard Labels / Marks

  • Division 5.1 - Oxidizer

Source: 49 CFR §172.101 Hazardous Materials Table · 49 CFR §172.101 (2025-01-01)

Reference data transcribed from the published Dangerous Goods List. It is not legal advice and may not capture entry-specific exceptions, special provisions or packing-group ranges. Always verify against the current regulation edition for a specific shipment.

This is the reference entry for UN1942.

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