Single Risk Codes and Phrases are given as follows: Risk Code RC: R1, Risk Phrase RP: Explosive when dry; RC: R2, RP: Risk of explosion by shock, friction, fire or other sources of ignition; RC: R3, RP: Extreme risk of explosion by shock, friction, fire or other sources of ignition; RC: R4, RP: Forms very sensitive explosive metallic compounds; RC: R5, RP: Heating may cause an explosion; RC: R6, RP: Explosive with or without contact with air; RC: R7, RP: May cause fire; RC: R8, RP: Contact with combustible material may cause fire; RC: R9, RP: Explosive when mixed with combustible material; RC: R10, RP: Flammable; RC: R11, RP: Highly flammable; RC: R12, RP: Extremely flammable; RC: R13, RP: Extremely lammable liquified gas. This code is no longer in use; RC: R14, RP: Reacts violently with water; RC: R15, RP: Contact with water liberates highly flammable gases; RC: R16, RP: Explosive when mixed with oxidizing substances; RC: R17, RP: Spontaneously flammable in air; RC: R18, RP: In use, may form lammable/explosive vapour-air ixture; RC: R19, RP: May form explosive peroxides; RC: R20, RP: Harmful by inhalation; RC: R21, RP: Harmful in contact with skin; RC: R22, RP: Harmful if swallowed; RC: R23, RP: Toxic by inhalation; RC: R24, RP: Toxic in contact with skin; RC: R25, RP: Toxic if swallowed; RC: R26, RP: Very toxic by inhalation; RC: R27, RP: Very toxic in contact with skin; RC: R28, RP: Very toxic if swallowed; RC: R29, RP: Contact with water liberates toxic gases; RC: R30, RP: Can become highly flammable in use; RC: R31, RP: Contact with acids liberates toxic gas; RC: R32, RP: Contact with acids liberates Very toxic gas; RC: R33, RP: Danger of cumulative effects; RC: R34, RP: Causes burns; RC: R35, RP: Causes severe burns; RC: R36, RP: Irritating to eyes; RC: R37, RP: Irritating to respiratory system; RC: R38, RP: Irritating to skin; RC: R39, RP: Danger of very serious irreversible effects; RC: R40, RP: Possible risks of irreversible effects; RC: R41, RP: Risk of serious damage to eyes; RC: R42, RP: May cause sensitization by inhalation; RC: R43, RP: May cause sensitization by skin contact; RC: R44, RP: Risk of explosion if heated under confinement; RC: R45, RP: May cause cancer; RC: R46, RP: May cause heritable genetic damage; RC: R47, RP: May cause birth defects; RC: R48, RP: Danger of serious damage to health by prolonged exposure; RC: R49, RP: May cause cancer by inhalation; RC: R50, RP: Very toxic to aquatic organisms; RC: R51, RP: Toxic to aquatic organisms; RC: R52, RP: Harmful to aquatic organisms; RC: R53, RP: May cause long-term adverse effects in the aquatic environment; RC: R54, RP: Toxic to flora; RC: R55, RP: Toxic to fauna; RC: R56, RP: Toxic to soil organisms; RC: R57, RP: Toxic to bees; RC: R58, RP: May cause long-term adverse effects in the environment; RC: R59, RP: Dangerous for the ozone layer; RC: R60, RP: May impair fertility; RC: R61, RP: May cause harm to the unborn child; RC: R62, RP: Possible risk of impaired fertility; RC: R63, RP: Possible risk of harm to the unborn child; RC: R64, RP: May cause harm to breastfed babies;