The following identification system is in use for placards in Europe (ADR) for road transport. The background of the placard is orange. The border, horizontal line, and figures are black. Identification numbers are shown in such a way, that the upper number is indicating the danger and the lower number identifies the substances with the UN-number given in the UN Recommendations on the Transport of Dangerous Goods. HAZARD IDENTIFICATION NUMBER The hazard identification number consists of two or three figures indicating the following hazards: 2 Emission of gas due to pressure or chemical reaction 3 Flammability of liquids (vapours) and gases or self-heating liquid 4 Flammability of solids or self-heating solid 5 Oxidizing (fire-intensifying) effect 6 Toxicity 7 Radioactivity 8 Corrosivity 9 Risk of spontaneous violent reaction Doubling of a figure indicates an intensification of that particular hazard. Where the hazard associated with a substance can be adequately indicated by a single figure, this is followed by a zero. If a hazard identification number is prefixed by letter 'X', this indicates that the substance will react dangerously with water. The hazard identification number combinations have following meanings:

Flammable liquid 3 sign meaningAustralia

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Updated by AS. Approved by EC. Last update: 30.11.2004. For further information please contact the International Occupational Safety and Health Information Centre at Tel: +41.22.799.6740, Fax: +41.22.799.8516 or E-mail: cis@ilo.org [ SafeWork Home | Protection Home ]

Flammable liquid sign meaning

If a hazard identification number is prefixed by letter 'X', this indicates that the substance will react dangerously with water. The hazard identification number combinations have following meanings:

Flammable liquid 3examples

The hazard identification number consists of two or three figures indicating the following hazards: 2 Emission of gas due to pressure or chemical reaction 3 Flammability of liquids (vapours) and gases or self-heating liquid 4 Flammability of solids or self-heating solid 5 Oxidizing (fire-intensifying) effect 6 Toxicity 7 Radioactivity 8 Corrosivity 9 Risk of spontaneous violent reaction Doubling of a figure indicates an intensification of that particular hazard. Where the hazard associated with a substance can be adequately indicated by a single figure, this is followed by a zero. If a hazard identification number is prefixed by letter 'X', this indicates that the substance will react dangerously with water. The hazard identification number combinations have following meanings:

For further information please contact the International Occupational Safety and Health Information Centre at Tel: +41.22.799.6740, Fax: +41.22.799.8516 or E-mail: cis@ilo.org [ SafeWork Home | Protection Home ]

For further information please contact the International Occupational Safety and Health Information Centre at Tel: +41.22.799.6740, Fax: +41.22.799.8516 or E-mail: cis@ilo.org [ SafeWork Home | Protection Home ]

Updated by AS. Approved by EC. Last update: 30.11.2004. For further information please contact the International Occupational Safety and Health Information Centre at Tel: +41.22.799.6740, Fax: +41.22.799.8516 or E-mail: cis@ilo.org [ SafeWork Home | Protection Home ]

Doubling of a figure indicates an intensification of that particular hazard. Where the hazard associated with a substance can be adequately indicated by a single figure, this is followed by a zero. If a hazard identification number is prefixed by letter 'X', this indicates that the substance will react dangerously with water. The hazard identification number combinations have following meanings: