Shipping Classification
Cesium or Caesium
What this means
Cesium or Caesium 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.
Hazard class / division
Class 4.3
UN / NA identification number
UN1407
Packing group
I
Label codes
4.3
Packaging — exceptions
None
Packaging — non-bulk
211
Packaging — bulk
242
Passenger aircraft / rail limit
Forbidden
Cargo aircraft only limit
15 kg
Vessel stowage location
D
Vessel stowage — other
13, 52, 148
Special provisions (§172.102)
A7 — Steel packagings must be corrosion-resistant or have protection against corrosion.
A19 — Combination packagings consisting of outer fiber drums or plywood drums, with inner plastic packagings, are not authorized for transportation by aircraft.
IB4 (see §172.102 or related section for full text)
IP1 (see §172.102 or related section for full text)
N34 — Aluminum construction materials are not authorized for any part of a packaging which is normally in contact with the hazardous material.
N40 — This material is not authorized in the following packagings:
W31 — Non-bulk packagings must be hermetically sealed.
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) and Special Provisions (49 CFR §172.102), current as retrieved from eCFR.gov. View official table.