UN hazard labels for the transport of dangerous goods

UN Transport Symbols for Dangerous Goods
Explosives UN Transport symbol for explosives	Explosive substances presenting no significant hazard UN Transport symbol for Class 1.4 Explosive substances which present no significant hazard	Mass explosion hazard substances which are extremely insensitive UN Transport symbol for Class 1.5 Very insensitive substances which have a mass explosion hazard
Non-flammable gases UN Transport symbol for non-inflammable gases	Flammable gases UN Transport symbol for inflammable gases	Poisonous substances (Class 2. and Class 6.1) UN Transport symbol for poisonous substances (gases Class 2., other poisonous substances Class 6.1)
Flammable gases (Class 2) or flammable liquids (Class 3) UN Transport symbol for inflammable gases (Class 2) or liquids (Class 3)	Flammable solids (Class 4) UN Transport symbol for inflammable solids (Class 4)	Substances liable to spontaneous combustion UN Transport symbol for substances liable to spontaneous combustion
Substances which emit flammable gases when in contact with water UN Transport symbol for substances which, in contact with water, emit inflammable gases	Oxidizing substances and organic peroxides UN Transport symbol for oxidizing substances and for organic peroxides	Infectious substances UN Transport symbol for infectious substances
Radioactive substances (Category I) UN Transport symbol for radioactive substances, Category I	Radioactive substances (Category II) UN Transport symbol for radioactive substances, Category II	Radioactive substances (Category III) UN Transport symbol for radioactive substances, Category III
Radioactive substances UN Transport symbol for radioactive substances	Corrosive substances UN Transport symbol for corrosive substances	Location of class number: ** Location of serial number: **

Labels for the nine classes of dangerous goods: ① Explosives (orange flame); ② Gases (green non-flammable/red flammable/white toxic); ③ Flammable liquids (red flame); ④ Flammable solids (red and white stripes); ⑤ Oxidizing agents (yellow flame with circle above); ⑥ Toxic substances (white skull); ⑦ Radioactive substances (yellow and white radiation symbol); ⑧ Corrosives (white top, black bottom); ⑨ Miscellaneous (black and white stripes).

Labels must be affixed on all four sides of the container, size ≥ 250×250 mm, securely attached and clearly visible. Incorrect or missing labels may lead to serious consequences such as customs detention, port refusal, and shipping delays. Ensure label compliance before exporting dangerous goods.

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