Cesium or Caesium

Table row: 732
Proper shipping name: Cesium or Caesium
Hazard class: 4.3
UN / NA number: UN1407
Packing group: I
Label codes: ["4.3"]
Special provision codes: ["A7","A19","IB4","IP1","N34","N40","W31"]
Packaging exceptions (49 CFR 173.***): None
Non-bulk packaging (49 CFR 173.***): 211
Bulk packaging (49 CFR 173.***): 242
Quantity limit, passenger aircraft or rail: Forbidden
Quantity limit, cargo aircraft only: 15 kg
Stowage location (column 10A): D
Other stowage provisions (column 10B): 13, 52, 148
Is forbidden: false

Source

eCFR Versioner full XML — 49 CFR Part 172, HMT — Office of the Federal Register / NARA · Cleared for reuse
Read from https://www.ecfr.gov/api/versioner/v1/full/2026-10-07/title-49.xml?part=172 (49 CFR § 172.101 HMT, data row 732)
Federal government regulatory text; GPO public-domain policy applies to government work; inspect third-party material separately — terms