Shipping Classification
Chromium trioxide, anhydrous
What this means
Chromium trioxide, anhydrous 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 5.1
UN / NA identification number
UN1463
Packing group
II
Label codes
5.1, 6.1, 8
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
66, 90
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)
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.