R1

　Explosive when dry. 干燥時易爆。

　R2

　Risk of explosion by shock, friction, fire or other source of ignition. 受沖擊、摩擦、著火或其他引燃源有爆炸危險。

　R3

　Extreme risk of explosion by shock, friction, fire or other sources of ignition. 
　受沖擊、摩擦、著火或其他引燃源有極高爆炸危險。

　R4

　Forms very sensitive explosive metallic compounds. 生成極敏感的爆炸性金屬化合物。

　R5

　Heating may cause an explosion. 受熱可能引起爆炸。

　R6

　Explosive with or without contact with air.極容易爆炸。

　R7

　May cause fire. 可能引起火災。

　R8

　Contact with combustible material may cause fire. 與可燃物料接觸可能引起火災。

　R9

　Explosive when mixed with combustible material. 與可燃物料混合有爆炸性。

　R10

　Flammable. 易燃。

　R11

　Highly flammable. 高度易燃。

　R12

　Extremely flammable. 極度易燃。

　R13

　Extremely flammable liquefied gas 極度易燃的液化氣體。

　R14

　Reacts violently with water. 遇水反應劇烈。

　R15

　Contact with water liberates extremely flammable gases. 遇水釋放極易燃燒的氣體。

　R16

　Explosive when mixed with oxidizing substances. 與氧化性物質混合有爆炸性。

　R17

　Spontaneously flammable in air. 在空氣中可自燃。

　R18

　In use, may form inflammable/explosive vapour-air mixture. 使用時可能產生易燃易爆的蒸汽-空氣混合物。

　R19

　May form explosive peroxides. 可能生成爆炸性過氧化物。

　R20

　Harmful by inhalation. 吸入有害。

　R21

　Harmful in contact with skin. 與皮膚接觸有害。

　R22

　Harmful if swallowed. 吞食有害。

　R23

　Toxic by inhalation. 吸入有毒。

　R24

　Toxic in contact with skin. 與皮膚接觸有毒。

　R25

　Toxic if swallowed. 吞食有毒。

　R26

　Very toxic by inhalation. 吸入有極高毒性。

　R27

　Very toxic in contact with skin. 與皮膚接觸有極高毒性。

　R28

　Very toxic if swallowed. 吞食有極高毒性。

　R29

　Contact with water liberates toxic gas. 遇水釋放有毒氣體。

　R30

　Can become highly flammable in use. 使用中高度易燃。

　R31

　Contact with acids liberates toxic gas. 遇酸釋放有毒氣體。

　R32

　Contact with acid liberates very toxic gas. 與酸接觸釋放極高毒性氣體。

　R33

　Danger of cumulative effects. 有累積效應的危險品。

　R34

　Causes burns. 引起灼傷。

　R35

　Causes severe burns. 引起嚴重灼傷。

　R36

　Irritating to eyes. 刺激眼睛。

　R37

　Irritating to respiratory system. 刺激呼吸系統。

　R38

　Irritating to skin. 刺激皮膚。

　R39

　Danger of very serious irreversible effects. 有極嚴重的不可逆后果的危險品。

　R40

　Limited evidence of a carcinogenic effect. 少數報道有致癌后果。

　R41

　Risk of serious damage to the eyes. 對眼睛有嚴重傷害。

　R42

　May cause sensitization by inhalation. 吸入可能致敏。

　R43

　May cause sensitization by skin contact. 與皮膚接觸可能致敏。

　R44

　Risk of explosion if heated under confinement. 密閉加熱有爆炸危險。

　R45

　May cause cancer. 可能致癌。

　R46

　May cause heritable genetic damage. 可能引起遺傳性基因損害。

　R47

　May cause birth defects 可能引起胎兒缺陷。

　R48

　Danger of serious damage to health by prolonged exposure. 長期接觸嚴重危害健康。

　R49

　May cause cancer by inhalation. 吸入可能致癌。

　R50

　Very toxic to aquatic organisms. 對水生生物有極高毒性。

　R51

　Toxic to aquatic organisms. 對水生生物有毒。

　R52

　Harmful to aquatic organisms. 對水生生物有害。

　R53

　May cause long-term adverse effects in the aquatic environment. 可能對水體環境產生長期不良影響。

　R54

　Toxic to flora. 對植物有毒。

　R55

　Toxic to fauna. 對動物有毒。

　R56

　Toxic to soil organisms. 對土壤生物有毒。

　R57

　Toxic to bees. 對蜂類有毒。

　R58

　May cause long-term adverse effects in the environment. 可能對環境產生長期不良影響。

　R59

　Dangerous to the ozone layer. 對臭氧層有危害。

　R60

　May impair fertility. 可能損害生育能力。

　R61

　May cause harm to the unborn child. 可能對胎兒造成傷害。

　R62

　Risk of impaired fertility. 有損害生育能力的危險。

　R63

　Possible risk of harm to the unborn child. 可能有對胎兒造成傷害的危險。

　R64

　May cause harm to breastfed babies. 可能對哺乳期嬰兒造成傷害。

　R65

　Harmful: may cause lung damage if swallowed. 吞食可能造成肺部損傷。

　R66

　Repeated exposure may cause skin dryness or cracking. 長期接觸可能引起皮膚干裂。

　R67

　Vapours may cause drowsiness and dizziness. 蒸汽可能引起困倦和眩暈。

　R68

　Possible risk of irreversible effects. 可能有不可逆后果的危險。

　R20/21:

　Harmful by inhalation and in contact with skin. 吸入及皮膚接觸有害。

　R20/21/22:

　Harmful by inhalation, in contact with skin and if swallowed. 吸入、皮膚接觸及吞食有害。

　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. 皮膚接觸及吞食有害。

　R23/24/25:

　Toxic by inhalation, in contact with skin and if swallowed. 吸入、皮膚接觸及吞食有毒。

　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、皮膚接觸及吞食有極高毒性。

　R26/28:

　Very toxic by inhalation and if swallowed. 吸入及吞食有極高毒性。

　R36/37:

　Irritating to eyes and respiratory system. 刺激眼睛和呼吸系統。

　R36/37/38:

　Irritating to eyes, respiratory system and skin. 刺激眼睛、呼吸系統和皮膚。

　R36/38:

　Irritating to eyes and skin. 刺激眼睛和皮膚。

　R37/38:

　Irritating to respiratory system and skin. 刺激呼吸系統和皮膚。

　R42/43:

　May cause sensitization by inhalation and skin contact. 吸入及皮膚接觸可能致敏。

　R48/22:

　Harmful: danger of serious damage to health by prolonged exposure if swallowed. 吞食長期接觸嚴重危害健康。

　R50/53:

　Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. 
　對水生生物有極高毒性，可能對水體環境產生長期不良影響。

　R51/53:

　Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. 
　對水生生物有毒，可能對水體環境產生長期不良影響。

　R52/53: 　

　Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. 
　對水生生物有害，可能對水體環境產生長期不良影響。