| R1 | Explosive when dry |
| R2 | Explosive by shock, friction, fire or other sources of ignition |
| R3 | Particularly explosive by shock, friction, fire or other sources of ignition |
| R4 | Forms highly sensitive explosive metal compounds |
| R5 | Explosive when heated |
| R6 | Explosive with and without air |
| R7 | May cause fire |
| R8 | Fire hazard in contact with flammable substances |
| R9 | Explosion hazard when mixed with flammable substances |
| R10 | Flammable |
| R11 | Highly flammable |
| R12 | Extremely flammable |
| R14 | Reacts violently with water |
| R15 | Reacts with water to form 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 if inhaled |
| 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 | May 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 | Serious risk of irreversible effects |
| R40 | Suspected of causing cancer |
| 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 (see also) |
| R51 | Toxic to aquatic organisms |
| R52 | Harmful to aquatic organisms |
| R53 | May cause long-term adverse effects in the aquatic environment |
| R54 | Toxic to plants |
| R55 | Toxic to animals |
| R56 | Toxic to soil organisms |
| R57 | Toxic to bees |
| R58 | May cause long-term adverse effects in the environment |
| R59 | Hazardous to the ozone layer |
| R60 | May impair fertility |
| R61 | May damage the unborn child |
| R62 | May possibly impair fertility |
| R63 | Possible risk of harm to the unborn child |
| R64 | May cause harm to breastfed babies |
| R65 | Harmful: may cause lung damage if swallowed |
| R66 | Repeated contact 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 to form extremely flammable gases |
| R15/29 | Reacts with water to form toxic and extremely flammable gases |
| R20/21 | Harmful by inhalation and in contact with skin |
| R20/21/22 | Harmful by inhalation, in contact with skin and if swallowed |
| R20/22 | Harmful by inhalation and if swallowed |
| R21/22 | Harmful in contact with skin and if swallowed |
| R23/24 | Toxic by inhalation and in contact with skin |
| R23/24/25 | Toxic by inhalation, in contact with skin and if swallowed |
| R23/25 | Toxic by inhalation and if swallowed |
| R24/25 | Toxic in contact with skin and if swallowed |
| R26/27 | Very toxic by inhalation and in contact with skin |
| R26/27/28 | Very toxic by inhalation, in contact with skin and if swallowed |
| R26/28 | Very toxic by inhalation and if swallowed |
| R27/28 | Very toxic in contact with skin and if swallowed |
| R36/37 | Irritating to eyes and respiratory system |
| R36/37/38 | Irritating to eyes, respiratory system and skin |
| R36/38 | Irritating to eyes and skin |
| R37/38 | Irritating to respiratory system and skin |
| R39/23 | Toxic: danger of very serious irreversible effects through inhalation |
| R39/23/24 | Toxic: danger of very serious irreversible effects through inhalation and in contact with skin |
| R39/23/24/25 | Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed |
| R39/23/25 | Toxic: danger of very serious irreversible effects through inhalation and if swallowed |
| R39/24 | Toxic: danger of very serious irreversible effects in contact with skin |
| R39/24/25 | Toxic: danger of very serious irreversible effects in contact with skin and if swallowed |
| R39/25 | Toxic: danger of very serious irreversible effects if swallowed |
| R39/26 | Very toxic: danger of very serious irreversible effects through inhalation |
| R39/26/27 | Very toxic: danger of very serious irreversible effects through inhalation and in contact with skin |
| R39/26/27/28 | Very toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed |
| R39/26/28 | Very toxic: danger of very serious irreversible effects through inhalation and if swallowed |
| R39/27 | Very toxic: danger of very serious irreversible effects in contact with skin |
| R39/27/28 | Very toxic: danger of very serious irreversible effects in contact with skin and if swallowed |
| R39/28 | Very toxic: danger of very serious irreversible effects if swallowed |
| R42/43 | May cause sensitisation by inhalation and skin contact |
| R48/20 | Harmful: danger of serious damage to health by prolonged exposure through inhalation |
| R48/20/21 | Harmful: danger of serious damage to health by prolonged exposure through inhalation and in contact with skin |
| R48/20/21/22 | Harmful: danger of serious damage to health by prolonged exposure through inhalation, in contact with skin and if swallowed |
| R48/20/22 | Harmful: danger of serious damage to health by prolonged exposure through inhalation and if swallowed |
| R48/21 | Harmful: danger of serious damage to health by prolonged exposure in contact with skin |
| R48/21/22 | Harmful: danger of serious damage to health by prolonged exposure in contact with skin and if swallowed |
| R48/22 | Harmful: danger of serious damage to health by prolonged exposure if swallowed |
| R48/23 | Toxic: danger of serious damage to health by prolonged exposure through inhalation |
| R48/23/24 | Toxic: danger of serious damage to health by prolonged exposure through inhalation and in contact with skin |
| R48/23/24/25 | Toxic: danger of serious damage to health by prolonged exposure through inhalation, in contact with skin and if swallowed |
| R48/23/25 | Toxic: danger of serious damage to health by prolonged exposure through inhalation and if swallowed |
| R48/24 | Toxic: danger of serious damage to health by prolonged exposure in contact with skin |
| R48/24/25 | Toxic: danger of serious damage to health by prolonged exposure in contact with skin and if swallowed |
| R48/25 | Toxic: danger of serious damage to health by prolonged exposure 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 |
