Shipping Classification
Self-reactive liquid type B
What this means
Self-reactive liquid type B 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 4.1
UN / NA identification number
UN3221
Packing group
N/A
Label codes
4.1
Packaging — exceptions
151
Packaging — non-bulk
224
Packaging — bulk
None
Passenger aircraft / rail limit
Forbidden
Cargo aircraft only limit
Forbidden
Vessel stowage location
D
Vessel stowage — other
25, 52, 53, 127
Special provisions (§172.102)
53 — Packages of these materials must bear the subsidiary risk label, “EXPLOSIVE”, and the subsidiary hazard class/division must be entered in parentheses immediately following the primary hazard class in the shipping description, unless otherwise provided in this subchapter or through an approval issued by the Associate Administrator, or the competent authority of the country of origin. A copy of the approval shall accompany the shipping papers.
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.