Dangerous-Goods Information Guide
Find the right source and scope first. Confirm classification and acceptance with a qualified specialist.
This page points to official topics; it does not classify a substance, assign a UN number or approve carriage. A current safety data sheet and qualified review are needed.
Nine classes: navigate the sources
Explosives
Gases
Flammable liquids
Flammable solids and related hazards
Oxidising substances and organic peroxides
Toxic and infectious substances
Radioactive material
Corrosive substances
Miscellaneous dangerous substances and articles
Some classes have divisions and subsidiary hazards. This short index is not a complete classification table.
Check the appropriate edition by transport mode
Sea · IMDG
The mandatory core edition for 2026 is 2024 / 42-24. Published 2026 / 43-26 is voluntary from 2027 and mandatory from 2028; publication year is not the application year.
Road · ADR
Start with UNECE’s official ADR 2025 source. Confirm national implementation, transitional provisions and latest corrections with a qualified specialist; this summary does not replace the full regulations.
Air · IATA DGR
For 2026, check the 67th edition and its addenda. A 2027 announcement is not evidence of applicability in 2026; review country and carrier variations separately.
Prepare for qualified review
Prepare the exact product name, current safety data sheet, any qualified classification, packaging/count/weight, route and transport mode. This page gives no packing or mixed-loading instructions.
Discuss cargo details with the teamCheck date: General information. Confirm product, route and handling conditions with the Gulf Sea team.