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Risk Phrases
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"Risk phrases"
CPR 19(1)(e)(i)
The following risk phrases ("R-phrases") and the corresponding number codes are used in countries of the European Union (EU); (ref. Commission Directive 2001/59/EC of 6 August 2001 adapting to technical progress for the 28th time Council Directive 67/548/EEC on the approximation of the laws, regulations and administrative provisions relating to the classification, packaging and labelling of dangerous substances (Text with EEA relevance.) Official Journal L 225, 21/08/2001 P. 0001 - 0333).
| Explosive when dry | R1 |
| Risk of explosion by shock, friction, fire or other sources of ignition | R2 |
| Extreme risk of explosion by shock, friction, fire or other sources of ignition. | R3 |
| Forms very sensitive explosive metallic compounds. | R4 |
| Heating may cause an explosion. | R5 |
| Explosive with or without contact with air. | R6 |
| May cause fire. | R7 |
| Contact with combustible material may cause fire | R8 |
| Explosive when mixed with combustible material. | R9 |
| Flammable. | R10 |
| Highly flammable. | R11 |
| Extremely flammable. | R12 |
| Reacts violently with water. | R14 |
| Contact with water liberates extremely flammable gases. | R15 |
| Explosive when mixed with oxidising substances. | R16 |
| Spontaneously flammable in air. | R17 |
| In use, may form flammable/explosive vapour-air mixture | R18 |
| May form explosive peroxides. | R19 |
| Harmful by inhalation. | R20 |
| Harmful in contact with skin. | R21 |
| Harmful if swallowed. | R22 |
| Toxic by inhalation. | R23 |
| Toxic in contact with skin. | R24 |
| Toxic if swallowed. | R25 |
| Very toxic by inhalation. | R26 |
| Very toxic in contact with skin. | R27 |
| Very toxic if swallowed | R28 |
| Contact with water liberates toxic gas | R29 |
| Can become highly flammable in use. | R30 |
| Contact with acids liberates toxic gas. | R31 |
| Contact with acids liberates very toxic gas. | R32 |
| Danger of cumulative effects. | R33 |
| Causes burns. | R34 |
| Causes severe burns. | R35 |
| Irritating to eyes. | R36 |
| Irritating to respiratory system. | R37 |
| Irritating to skin. | R38 |
| Danger of very serious irreversible effect. | R39 |
| Limited evidence of a carcinogenic effect. | R40 |
| Risk of serious damage to eyes. | R41 |
| May cause sensitisation by inhalation. | R42 |
| May cause sensitisation by skin contact. | R43 |
| Risk of explosion if heated under confinement. | R44 |
| May cause cancer. | R45 |
| May cause heritable genetic damage. | R46 |
| Danger of serious damage to health by prolonged exposure. | R48 |
| May cause cancer by inhalation. | R49 |
| Very toxic to aquatic organisms. | R50 |
| Toxic to aquatic organisms. | R51 |
| Harmful to aquatic organisms. | R52 |
| May cause long-term adverse effects in the aquatic environment. | R53 |
| Toxic to flora. | R54 |
| Toxic to fauna. | R55 |
| Toxic to soil organisms. | R56 |
| Toxic to bees. | R57 |
| May cause long-term adverse effects in the environment. | R58 |
| Dangerous for the ozone layer. | R59 |
| May impair fertility. | R60 |
| May cause harm to the unborn child. | R61 |
| Possible risk of impaired fertility. | R62 |
| Possible risk of harm to the unborn child. | R63 |
| May cause harm to breastfed babies. | R64 |
| Harmful: may cause lung damage if swallowed. | R65 |
| Repeated exposure may cause skin dryness or cracking. | R66 |
| Vapours may cause drowsiness and dizziness. | R67 |
| Possible risk of irreversible effects. | R68 |
