Shipping Classification
Ammonium dichromate
What this means
Ammonium dichromate appears on the federal Hazardous Materials Table (49 CFR §172.101), the table that governs how a material must be classified, packaged, and labeled for transport.
IdentificationPackagingTransport limitsVessel stowage
Hazard class / division
Class 5.1
UN / NA identification number
Packing group
II
Label codes
5.1
Packaging — exceptions
152
Packaging — non-bulk
212
Packaging — bulk
242
Passenger aircraft / rail limit
5 kg
Cargo aircraft only limit
25 kg
Vessel stowage location
A
Vessel stowage — other
52
Special provisions (§172.102)
IB8 (see §172.102 or related section for full text)
IP2 (see §172.102 or related section for full text)
IP4 (see §172.102 or related section for full text)
T3 (see §172.102 or related section for full text)
TP33 (see §172.102 or related section for full text)
Packaging citations reference sections of 49 CFR Part 173 not expanded here. View the full official table on eCFR.gov.
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Source: Hazardous Materials Table (49 CFR §172.101) via eCFR.gov, current as of Oct 23, 2026. View official table.