Infectious substances — dangerous goods classification
Division 6.2. Category B biological substances ship as UN3373 with the diamond mark and IATA packing instruction 650; Category A is a different regime entirely.
The mistake this category generates
UN3373 uses a mark, not a hazard label, and patient specimens with minimal likelihood of pathogens are exempt altogether under 49 CFR 173.134(b).
Entries (1)
| UN | Proper shipping name | Class | PG | Labels | Air |
|---|---|---|---|---|---|
| UN3373 | Biological substance, Category B | 6.2 | none | UN3373 DIAMOND MARK | pax permitted·cargo permitted |
Shipper notes
UN3373 Biological substance, Category B
- Uses the UN3373 diamond mark rather than a hazard label, and IATA packing instruction 650.
- Patient specimens with minimal likelihood of pathogens are exempt under 49 CFR 173.134(b).
Questions
- What UN number applies to infectious substances?
- Division 6.2. Category B biological substances ship as UN3373 with the diamond mark and IATA packing instruction 650; Category A is a different regime entirely.
- What do people get wrong about shipping infectious substances?
- UN3373 uses a mark, not a hazard label, and patient specimens with minimal likelihood of pathogens are exempt altogether under 49 CFR 173.134(b).
- Which entries does Classify7 encode for infectious substances?
- UN3373 Biological substance, Category B (class 6.2)
Classify your actual product
Which of these entries applies depends on the formulation, not the category. Send the product and Classify7 returns the entry with the evidence that selected it — or tells you which measurement it needs first.
Classify a product