Multiple Risk Codes and Phrases are given as follows: Risk Code RC: R14/15, Risk Phrase RP: Reacts violently with water liberating highly flammable gases; RC: R15/29, RP: Contact with water liberates toxic, highly flammable gas; RC: R20/21, RP: Harmful by inhalation and in contact with skin; RC: R20/22, RP: Harmful by inhalation and if swallowed; RC: R20/21/22, RP: Harmful by inhalation, in contact with skin and if swallowed; RC: R21/22, RP: Harmful in contact with skin and if swallowed; RC: R23/24, RP: Toxic by inhalation and in contact with skin; RC: R23/25, RP: Toxic by inhalation and if swallowed; RC: R23/24/25, RP: Toxic by inhalation, in contact with skin and if swallowed; RC: R24/25, RP: Toxic in contact with skin and if swallowed; RC: R26/27, RP: Very toxic by inhalation and in contact with skin; RC: R26/28, RP: Very toxic by inhalation and if swallowed; RC: R26/27/28, RP: Very toxic by inhalation, in contact with skin and if swallowed; RC: R27/28, RP: Very toxic in contact with skin and if swallowed; RC: R36/37, RP: Irritating to eyes and respiratory system; RC: R36/38, RP: Irritating to eyes and skin; RC: R36/37/38, RP: Irritating to eyes, respiratory system and skin; RC: R37/38, RP: Irritating to respiratory system and skin; RC: R39/23, RP: Toxic: danger of very serious irreversible effects through inhalation; RC: R39/24, RP: Toxic: danger of very serious irreversible effects in contact with skin; RC: R39/25, RP: Toxic: danger of very serious irreversible effects if swallowed; RC: R39/23/24, RP: Toxic: danger of very serious irreversible effects through inhalation and in contact with skin; RC: R39/23/25, RP: Toxic: danger of very serious irreversible effects through inhalation and if swallowed; RC: R39/24/25, RP: Toxic: danger of very serious irreversible effects in contact with skin and if swallowed; RC: R39/23/24/25, RP: Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed; RC: R39/26, RP: Very toxic: danger of very serious irreversible effects through inhalation; RC: R39/27, RP: Very toxic: danger of very serious irreversible effects in contact with skin; RC: R39/28, RP: Very toxic: danger of very serious irreversible effects if swallowed; RC: R39/26/27, RP: Very toxic: danger of very serious irreversible effects through inhalation and in contact with skin; RC: R39/26/28, RP: Very toxic: danger of very serious irreversible effects through inhalation and if swallowed; RC: R39/27/28, RP: Very toxic: danger of very serious irreversible effects in contact with skin and if swallowed; RC: R39/26/27/28, RP: Very toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed; RC: R40/20, RP: Harmful: possible risk of irreversible effects through inhalation; RC: R40/21, RP: Harmful: possible risk of irreversible effects in contact with skin; RC: R40/22, RP: Harmful: possible risk of irreversible effects if swallowed; RC: R40/20/21, RP: Harmful: possible risk of irreversible effects through inhalation and in contact with skin; RC: R40/20/22, RP: Harmful: possible risk of irreversible effects through inhalation and if swallowed; RC: R40/21/22, RP: Harmful: possible risk of irreversible effects in contact with skin and if swallowed; RC: R40/20/21/22, RP: Harmful: possible risk of irreversible effects through inhalation, in contact with skin and if swallowed; RC: R42/43, RP: May cause sensitization by inhalation and skin contact; RC: R48/20, RP: Harmful: danger of serious damage to health by prolonged exposure through inhalation; RC: R48/21, RP: Harmful: danger of serious damage to health by prolonged exposure in contact with skin; RC: R48/22, RP: Harmful: danger of serious damage to health by prolonged exposure if swallowed; RC: R48/20/21, RP: Harmful: danger of serious damage to health by prolonged exposure through inhalation and in contact with skin; RC: R48/20/22, RP: Harmful: danger of serious damage to health by prolonged exposure through inhalation and if swallowed; RC: R48/21/22, RP: Harmful: danger of serious damage to health by prolonged exposure in contact with skin and if swallowed; RC: R48/20/21/22, RP: Harmful: danger of serious damage to health by prolonged exposure through inhalation, in contact with skin and if swallowed; RC: R48/23, RP: Toxic: danger of serious damage to health by prolonged exposure through inhalation; RC: R48/24, RP: Toxic: danger of serious damage to health by prolonged exposure in contact with skin; RC: R48/25, RP: Toxic: danger of serious damage to health by prolonged exposure if swallowed; RC: R48/23/24, RP: Toxic: danger of serious damage to health by prolonged exposure through inhalation and in contact with skin; RC: R48/23/25, RP: Toxic: danger of serious damage to health by prolonged exposure through inhalation and if swallowed; RC: R48/24/25, RP: Toxic: danger of serious damage to health by prolonged exposure in contact with skin and if swallowed; RC: R48/23/24/25, RP: Toxic: danger of serious damage to health by prolonged exposure through inhalation, in contact with skin and if swallowed; RC: R50/53, RP: Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment; RC: R51/53, RP: Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment; RC: R52/53, RP: Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. MSDS Relevance: Risk phrases are not required on labels or MSDS's by U.S. OSHA, however, they are required in the European Community. Therefore, you may See: These R phrases on your sheets, especially as manufacturers start following internationally-accepted formats such as the ANSI system. Or you may start seeing H-statements instead of risk phrases as the GHS is phased in. Remember that risk phrases indicate only the risk of a material, not the safety precautions that you need to follow. For safety information See: The safety phrases entry. See also: ANSI, CHIP, EINECS, Hazard Statements, Safety Phrases and the International Section of the MSDS FAQ