Classification Flowchart
Interactive decision tree for dangerous goods classification per IATA DGR Chapter 3. Answer the questions to determine which hazard class applies to your substance.
Step 1 / 14
Is your substance capable of explosion or pyrotechnic effect?
DGR 2.3.0 — Can it produce an exothermic self-sustaining chemical reaction?
Source: IATA Dangerous Goods Regulations, 67th Edition (2026), Chapter 3 — Classification. This flowchart provides general guidance; for definitive classification, refer to the substance's SDS (Safety Data Sheet) and the test criteria in DGR Chapter 3.