R1Explosive when dry. 干燥时易爆。R2Risk of explosion by shock, friction, fire or other source of ignition. 受冲击、摩擦、着火或其他引燃源有爆炸危险。R3Extreme risk of explosion by shock, friction, fire or other sources of ignition.受冲击、摩擦、着火或其他引燃源有极高爆炸危险。R4Forms very sensitive explosive metallic compounds. 生成极敏感的爆炸性金属化合物。R5Heating may cause an explosion. 受热可能引起爆炸。R6Explosive with or without contact with air.极容易爆炸。R7May cause fire. 可能引起火灾。R8Contact with combustible material may cause fire. 与可燃物料接触可能引起火灾。R9Explosive when mixed with combustible material. 与可燃物料混合有爆炸性。R10Flammable. 易燃。R11Highly flammable. 高度易燃。R12Extremely flammable. 极度易燃。R13Extremely flammable liquefied gas 极度易燃的液化气体。R14Reacts violently with water. 遇水反应剧烈。R15Contact with water liberates extremely flammable gases. 遇水释放极易燃烧的气体。R16Explosive when mixed with oxidizing substances. 与氧化性物质混合有爆炸性。R17Spontaneously flammable in air. 在空气中可自燃。R18In use, may form inflammable/explosive vapour-air mixture. 使用时可能产生易燃易爆的蒸汽-空气混合物。R19May form explosive peroxides. 可能生成爆炸性过氧化物。R20Harmful by inhalation. 吸入有害。R21Harmful in contact with skin. 与皮肤接触有害。R22Harmful if swallowed. 吞食有害。R23Toxic by inhalation. 吸入有毒。R24Toxic in contact with skin. 与皮肤接触有毒。R25Toxic if swallowed. 吞食有毒。R26Very toxic by inhalation. 吸入有极高毒性。R27Very toxic in contact with skin. 与皮肤接触有极高毒性。R28Very toxic if swallowed. 吞食有极高毒性。R29Contact with water liberates toxic gas. 遇水释放有毒气体。R30Can become highly flammable in use. 使用中高度易燃。R31Contact with acids liberates toxic gas. 遇酸释放有毒气体。R32Contact with acid liberates very toxic gas. 与酸接触释放极高毒性气体。R33Danger of cumulative effects. 有累积效应的危险品。R34Causes burns. 引起灼伤。R35Causes severe burns. 引起严重灼伤。R36Irritating to eyes. 刺激眼睛。R37Irritating to respiratory system. 刺激呼吸系统。R38Irritating to skin. 刺激皮肤。R39Danger of very serious irreversible effects. 有极严重的不可逆后果的危险品。R40Limited evidence of a carcinogenic effect. 少数报道有致癌后果。R41Risk of serious damage to the eyes. 对眼睛有严重伤害。R42May cause sensitization by inhalation. 吸入可能致敏。R43May cause sensitization by skin contact. 与皮肤接触可能致敏。R44Risk of explosion if heated under confinement. 密闭加热有爆炸危险。R45May cause cancer. 可能致癌。R46May cause heritable genetic damage. 可能引起遗传性基因损害。R47May cause birth defects 可能引起胎儿缺陷。R48Danger of serious damage to health by prolonged exposure. 长期接触严重危害健康。R49May cause cancer by inhalation. 吸入可能致癌。R50Very toxic to aquatic organisms. 对水生生物有极高毒性。R51Toxic to aquatic organisms. 对水生生物有毒。R52Harmful to aquatic organisms. 对水生生物有害。R53May cause long-term adverse effects in the aquatic environment. 可能对水体环境产生长期不良影响。R54Toxic to flora. 对植物有毒。R55Toxic to fauna. 对动物有毒。R56Toxic to soil organisms. 对土壤生物有毒。R57Toxic to bees. 对蜂类有毒。R58May cause long-term adverse effects in the environment. 可能对环境产生长期不良影响。R59Dangerous to the ozone layer. 对臭氧层有危害。R60May impair fertility. 可能损害生育能力。R61May cause harm to the unborn child. 可能对胎儿造成伤害。R62Risk of impaired fertility. 有损害生育能力的危险。R63Possible risk of harm to the unborn child. 可能有对胎儿造成伤害的危险。R64May cause harm to breastfed babies. 可能对哺乳期婴儿造成伤害。R65Harmful: may cause lung damage if swallowed. 吞食可能造成肺部损伤。R66Repeated exposure may cause skin dryness or cracking. 长期接触可能引起皮肤干裂。R67Vapours may cause drowsiness and dizziness. 蒸汽可能引起困倦和眩晕。R68Possible risk of irreversible effects. 可能有不可逆后果的危险。R20/21:Harmful by inhalation and in contact with skin. 吸入及皮肤接触有害。R20/21/22:Harmful by inhalation, in contact with skin and if swallowed. 吸入、皮肤接触及吞食有害。R20/22:Harmful by inhalation and if swallowed. 吸入及吞食有害。R21/22:Harmful in contact with skin and if swallowed. 皮肤接触及吞食有害。R23/24/25:Toxic by inhalation, in contact with skin and if swallowed. 吸入、皮肤接触及吞食有毒。R23/25:Toxic by inhalation and if swallowed. 吸入及吞食有毒。R26/27/28:Very toxic by inhalation, in contact with skin and if swallowed. 吸入、皮肤接触及吞食有极高毒性。R26/28:Very toxic by inhalation and if swallowed. 吸入及吞食有极高毒性。R36/37:Irritating to eyes and respiratory system. 刺激眼睛和呼吸系统。R36/37/38:Irritating to eyes, respiratory system and skin. 刺激眼睛、呼吸系统和皮肤。R36/38:Irritating to eyes and skin. 刺激眼睛和皮肤。R37/38:Irritating to respiratory system and skin. 刺激呼吸系统和皮肤。R42/43:May cause sensitization by inhalation and skin contact. 吸入及皮肤接触可能致敏。R48/22:Harmful: danger of serious damage to health by prolonged exposure if swallowed. 吞食长期接触严重危害健康。R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.对水生生物有极高毒性，可能对水体环境产生长期不良影响。R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.对水生生物有毒，可能对水体环境产生长期不良影响。R52/53:Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.对水生生物有害，可能对水体环境产生长期不良影响。