List of R-phrases

R-phrases (short for Risk Phrases) are defined in Annex III of European Union Directive 67/548/EEC: Nature of special risks attributed to dangerous substances and preparations. The list was consolidated and republished in Directive 2001/59/EC, where translations into other EU languages may be found.These risk phrases are used internationally not just in Europe and there is an ongoing effort towards complete international harmonisation. (Note: missing R-number combinations indicate phrases that were deleted or replaced by another phrase.): Explosive when dry: Risk of explosion by shock, friction, fire or other sources of ignition: Extreme risk of explosion by shock, friction, fire or other sources of ignition: Forms very sensitive explosive metallic compounds: Heating may cause an explosion: Explosive with or without contact with air: May cause fire: Contact with combustible material may cause fire: Explosive when mixed with combustible material: Flammable: Highly flammable: Extremely flammable: Reacts violently with water: Contact with water liberates extremely flammable gases: Explosive when mixed with oxidising substances: Spontaneously flammable in air: In use, may form flammable/explosive vapour-air mixture: May form explosive peroxides: Harmful by inhalation: Harmful in contact with skin: Harmful if swallowed: Toxic by inhalation: Toxic in contact with skin: Toxic if swallowed: Very toxic by inhalation: Very toxic in contact with skin: Very toxic if swallowed: Contact with water liberates toxic gas.: Can become highly flammable in use: Contact with acids liberates toxic gas: Contact with acids liberates very toxic gas: Danger of cumulative effects: Causes burns: Causes severe burns: Irritating to eyes: Irritating to respiratory system: Irritating to skin: Danger of very serious irreversible effects: Limited evidence of a carcinogenic effect: Risk of serious damage to eyes: May cause sensitisation by inhalation: May cause sensitisation by skin contact: Risk of explosion if heated under confinement: May cause cancer: May cause heritable genetic damage: Danger of serious damage to health by prolonged exposure: May cause cancer by inhalation: Very toxic to aquatic organisms: Toxic to aquatic organisms: Harmful to aquatic organisms: May cause long-term adverse effects in the aquatic environment: Toxic to flora: Toxic to fauna: Toxic to soil organisms: Toxic to bees: May cause long-term adverse effects in the environment: Dangerous for the ozone layer: May impair fertility: May cause harm to the unborn child: Possible risk of impaired fertility: Possible risk of harm to the unborn child: May cause harm to breast-fed babies: Harmful: may cause lung damage if swallowed: Repeated exposure may cause skin dryness or cracking: Vapours may cause drowsiness and dizziness: Possible risk of irreversible effects
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