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IMDG - Packing Group Screening

Classify an IMDG packing group (I, II, III) by cargo flash point, boiling point or toxicity class.

IMDGPacking groupPG
IMDG PG
PG I - very dangerous
Formula, assumptions, and limits

For class 3. Higher PG = more restricted packaging + transport conditions. Class 6 (toxic) uses LD50 as criterion.

Symbol legend

SymbolMeaningUnitSource
Flash point°CASTM D93
Initial boiling point°CASTM D86