Dangerous Goods Transport

Full coverage of all 9 IMDG classes · MSDS review · Dangerous goods packaging · One-stop maritime declaration

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Nine Dangerous Goods Classes

Class 1 Explosives

Fireworks, gunpowder, detonators, etc. — must be declared and shipped separately.

Class 2 Gases

Compressed/liquefied gases and aerosol cans in UN-certified pressure vessels.

Class 3 Flammable Liquids

Paints, adhesives, solvents and alcohol — the most common exported hazardous chemicals.

Class 4 Flammable Solids

Sulfur, matches and metal powders — keep dry and away from heat.

Class 5 Oxidizing Substances

Hydrogen peroxide, potassium permanganate and bleach — never mix with organic matter.

Class 6 Toxic Substances

Pesticides, chemical intermediates and arsenic compounds.

Class 7 Radioactive Material

Medical isotopes and industrial inspection sources — highly specialized transport.

Class 8 Corrosives

Sulfuric acid, caustic soda and acidic cleaners in UN-standard steel drums/IBC totes.

Class 9 Miscellaneous

Lithium batteries, dry ice, magnetic materials and polystyrene beads.

Required Export Documents

Document Name	Purpose	Issuing Channel
MSDS (Chinese version)	Material Safety Data Sheet describing physical/chemical properties and hazards	Manufacturer / third-party laboratory
Dangerous Goods Packaging Certificate	Inspection result of transport packaging for outbound dangerous goods	Local customs (former inspection bureau)
DG Declaration Form	Declare dangerous goods export to the Maritime Safety Administration	MSA (we file on your behalf)
UN38.3 Test Report	Lithium-battery-specific — UN transport safety test	CNAS-accredited third-party laboratory
Transport Condition Appraisal	Determines dangerous goods classification and transport conditions	Shanghai Chemical Institute and other labs

Common Pitfalls

Misclassified as General Cargo

Power banks, alcohol hand sanitizer, aromatherapy oils and airbag parts are often mistaken for non-dangerous goods. Concealment faces fines or even criminal liability if caught by customs.

Non-compliant Packaging

Dangerous goods require UN-certified packaging (marked UN); ordinary cartons or non-standard packaging are not allowed.

LCL Restrictions

Many dangerous goods cannot be consolidated with other cargo and must ship in a dedicated container. Some categories are entirely prohibited from LCL.