HomeCalculatorsIMDG Class 4.3 - Water-Reactive

IMDG Class 4.3 - Water-Reactive

IMDG Class 4.3 cargo - ignites on contact with water or emits flammable gas. Stowage / segregation rules.

IMDGClass 4.3Water reactive
Stowage
Stow category E - on or under deck
Formula, assumptions, and limits

No water near 4.3 cargoes. Dry powder fire extinguishers. Examples: sodium, potassium, calcium carbide, phosphides. Segregate "away from" Class 3 (flammable liquid).

Symbol legend

SymbolMeaningUnitSource
IMDG 4.3 - IMDG Code