化学品危险等级 Sample Text Risk Codes Chemical data sheets available in many countries now contain codes for certain "risk phrases", shown as R23, R45 etc. These risk phrase codes have the following meanings: R1 Explosive when dry. 干燥时易爆。 R2 Risk 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。 R3 Extreme 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。 R4 Forms very sensitive explosive metallic compounds. 生成极敏感的爆炸性金属化合物。 R5 Heating may cause an explosion. 受热可能引起爆炸。 R6 Explosive with or without contact with air.极容易爆炸。 R7 May cause fire. 可能引起火灾。 R8 Contact with combustible material may cause fire. 与可燃物料接触可能引起火灾。 R9 Explosive when mixed with combustible material. 与可燃物料混合有爆炸性。 R10 Flammable. 易燃。 R11 Highly flammable. 高度易燃。 R12 Extremely flammable. 极度易燃。 R13 Extremely flammable liquefied gas 极度易燃的液化气体。 R14 Reacts violently with water. 遇水反应剧烈。 R15 Contact with water liberates extremely flammable gases. 遇水释放极易燃烧的气体。 R16 Explosive when mixed with oxidizing substances. 与氧化性物质混合有爆炸性。 R17 Spontaneously flammable in air. 在空气中可自燃。 R18 In 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。 R19 May form explosive peroxides. 可能生成爆炸性过氧化物。 R20 Harmful by inhalation. 吸入有害。 R21 Harmful in contact with skin. 与皮肤接触有害。 R22 Harmful if swallowed. 吞食有害。 R23 Toxic by inhalation. 吸入有毒。 R24 Toxic in contact with skin. 与皮肤接触有毒。 R25 Toxic if swallowed. 吞食有毒。 R26 Very toxic by inhalation. 吸入有极高毒性。 R27 Very toxic in con...
