List of R-phrases
WIKIMEDIA LIST ARTICLE
R-phrases; R phrases; R1: Explosive when dry; R2: Risk of explosion by shock, friction, fire or other sources of ignition; R3: Extreme risk of explosion by shock, friction, fire or other sources of ignition; R4: Forms very sensitive explosive metallic compounds; R5: Heating may cause an explosion; R6: Explosive with or without contact with air; R7: May cause fire; R8: Contact with combustible material may cause fire; R9: Explosive when mixed with combustible material; R10: Flammable; R11: Highly flammable; R12: Extremely flammable; R14: Reacts violently with water; R15: Contact with water liberates extremely flammable gases; R16: Explosive when mixed with oxidising substances; R17: Spontaneously flammable in air; R18: In use, may form flammable/explosive vapour-air mixture; R19: May form explosive peroxides; R20: Harmful by inhalation; R21: Harmful in contact with skin; R22: Harmful if swallowed; R23: Toxic by inhalation; R24: Toxic in contact with skin; R25: Toxic if swallowed; R26: Very toxic by inhalation; R27: Very toxic in contact with skin; R28: Very toxic if swallowed; R29: Contact with water liberates toxic gas; R30: Can become highly flammable in use; R31: Contact with acids liberates toxic gas; R32: Contact with acids liberates very toxic gas; R33: Danger of cumulative effects; R34: Causes burns; R35: Causes severe burns; R36: Irritating to eyes; R37: Irritating to respiratory system; R38: Irritating to skin; R39: Danger of very serious irreversible effects; R40: Limited evidence of a carcinogenic effect; R41: Risk of serious damage to eyes; R42: May cause sensitisation by inhalation; R43: May cause sensitisation by skin contact; R44: Risk of explosion if heated under confinement; R45: May cause cancer; R46: May cause heritable genetic damage; R48: Danger of serious damage to health by prolonged exposure; R49: May cause cancer by inhalation; R50: Very toxic to aquatic organisms; R51: Toxic to aquatic organisms; R52: Harmful to aquatic organisms; R53: May cause long-term adverse effects in the aquatic environment; R54: Toxic to flora; R55: Toxic to fauna; R56: Toxic to soil organisms; R57: Toxic to bees; R58: May cause long-term adverse effects in the environment; R59: Dangerous for the ozone layer; R60: May impair fertility; R61: May cause harm to the unborn child; R62: Possible risk of impaired fertility; R63: Possible risk of harm to the unborn child; R64: May cause harm to breast-fed babies; R65: Harmful: may cause lung damage if swallowed; R66: Repeated exposure may cause skin dryness or cracking; R67: Vapours may cause drowsiness and dizziness; R68: Possible risk of irreversible effects; R14/15: Reacts violently with water, liberating extremely flammable gases; R15/29: Contact with water liberates toxic, extremely flammable gases; R20/21: Harmful by inhalation and in contact with skin; R20/22: Harmful by inhalation and if swallowed; R20/21/22: Harmful by inhalation, in contact with skin and if swallowed; R21/22: Harmful in contact with skin and if swallowed; R23/24: Toxic by inhalation and in contact with skin; R23/25: Toxic by inhalation and if swallowed; R23/24/25: Toxic by inhalation, in contact with skin and if swallowed; R24/25: Toxic in contact with skin and if swallowed; R26/27: Very toxic by inhalation and in contact with skin; R26/28: Very toxic by inhalation and if swallowed; R26/27/28: Very toxic by inhalation, in contact with skin and if swallowed; R27/28: Very toxic in contact with skin and if swallowed; R36/37: Irritating to eyes and respiratory system; R36/38: Irritating to eyes and skin; R36/37/38: Irritating to eyes, respiratory system and skin; R37/38: Irritating to respiratory system and skin; R39/23: Toxic: danger of very serious irreversible effects through inhalation; R39/24: Toxic: danger of very serious irreversible effects in contact with skin; R39/25: Toxic: danger of very serious irreversible effects if swallowed; R39/23/24: Toxic: danger of very serious irreversible effects through inhalation and in contact with skin; R39/23/25: Toxic: danger of very serious irreversible effects through inhalation and if swallowed; R39/24/25: Toxic: danger of very serious irreversible effects in contact with skin and if swallowed; R39/23/24/25: Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed; R39/26: Very Toxic: danger of very serious irreversible effects through inhalation; R39/27: Very Toxic: danger of very serious irreversible effects in contact with skin; R39/28: Very Toxic: danger of very serious irreversible effects if swallowed; R39/26/27: Very Toxic: danger of very serious irreversible effects through inhalation and in contact with skin; R39/26/28: Very Toxic: danger of very serious irreversible effects through inhalation and if swallowed; R39/27/28: Very Toxic: danger of very serious irreversible effects in contact with skin and if swallowed; R39/26/27/28: Very Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed; R42/43: May cause sensitization by inhalation and skin contact; R48/20: Harmful: danger of serious damage to health by prolonged exposure through inhalation; R48/21: Harmful: danger of serious damage to health by prolonged exposure in contact with skin; R48/22: Harmful: danger of serious damage to health by prolonged exposure if swallowed; R48/20/21: Harmful: danger of serious damage to health by prolonged exposure through inhalation and in contact with skin; R48/20/22: Harmful: danger of serious damage to health by prolonged exposure through inhalation and if swallowed; R48/21/22: Harmful: danger of serious damage to health by prolonged exposure in contact with skin and if swallowed; R48/20/21/22: Harmful: danger of serious damage to health by prolonged exposure through inhalation, in contact with skin and if swallowed; R48/23: Toxic: danger of serious damage to health by prolonged exposure through inhalation; R48/24: Toxic: danger of serious damage to health by prolonged exposure in contact with skin; R48/25: Toxic: danger of serious damage to health by prolonged exposure if swallowed; R48/23/24: Toxic: danger of serious damage to health by prolonged exposure through inhalation and in contact with skin; R48/23/25: Toxic: danger of serious damage to health by prolonged exposure through inhalation and if swallowed; R48/23/24/25: Toxic: danger of serious damage to health by prolonged exposure through inhalation, in contact with skin and if swallowed; R50/53: Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment; R51/53: Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment; R52/53: Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment; R68/20: Harmful: possible risk of irreversible effects through inhalation; R68/21: Harmful: possible risk of irreversible effects in contact with skin; R68/22: Harmful: possible risk of irreversible effects if swallowed; R68/20/21: Harmful: possible risk of irreversible effects through inhalation and in contact with skin; R68/20/22: Harmful: possible risk of irreversible effects through inhalation and if swallowed; R68/21/22: Harmful: possible risk of irreversible effects in contact with skin and if swallowed; R68/20/21/22: Harmful: possible risk of irreversible effects through inhalation, in contact with skin and if swallowed; R48/24/25: Toxic: danger of serious damage to health by prolonged exposure in contact with skin and if swallowed; R13: Extremely flammable liquefied gas; R47: May cause birth defects; Rcode; R14/15/29: Reacts violently with water, liberating toxic, extremely flammable gases; R45/46: May cause cancer and heritable genetic damage; R phrase; R-phrase
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.