許多國家提供的化學品數(shù)據(jù)表含有標志某種“危險信息”的代碼，比如R13、R35 等。這些危險信息代碼有以下意義：

R1 干燥時有爆炸性。 Explosive when dry.
R2 受沖擊、摩擦、著火或其他引燃源有爆炸危險。 Risk of explosion by shock, friction, fire or other sources of ignition.
R3 受沖擊、摩擦、著火或其他引燃源有高爆炸危險。 Extreme risk of explosion by shock, friction, fire or other sources of ignition.
R4 生成敏感的爆炸性金屬化合物。 Forms very sensitive explosive metallic compounds.
R5 受熱可能引起爆炸。 Heating may cause an explosion.
R6 與空氣或未與空氣接觸發(fā)生爆炸。 Explosive with or without contact with air.
R7 可能引起火災(zāi)。 May cause fire.
R8 與可燃物料接觸可能引起火災(zāi)。 Contact with combustible material may cause fire.
R9 與可燃物料混合時發(fā)生爆炸。 Explosive when mixed with combustible material.
R10 易燃的。 Flammable.
R11 高度易燃的。 Highly flammable.
R12 易燃的。 Extremely flammable.
R13 端易燃的液化氣體。
R14 與水猛烈反應(yīng)。 Reacts violently with water.
R14/15 與水猛烈反應(yīng)，釋放出易燃氣體。 Reacts violently with water, liberating highly flammable gases.
R15 與水接觸釋放出易燃氣體。 Contact with water liberates extremely flammable gases.
R15/29 與水接觸釋放出有毒的，易燃氣體。 Contact with water liberates toxic, highly flammable gas.
R16 與氧化性物質(zhì)混合時發(fā)生爆炸。 Explosive when mixed with oxidizing substances.
R17 在空氣中易自燃。 Spontaneously flammable in air.
R18 使用中可能形成易燃/爆炸性蒸氣空氣混合物。 In use, may form flammable/explosive vapour-air mixture.
R19 可能生成爆炸性過氧化物。 May form explosive peroxides.
R20 吸入有害。 Harmful by inhalation.
R20/21 吸入和與皮膚接觸是有害的。 Harmful by inhalation and in contact with skin.
R20/21/22 吸入、與皮膚接觸和吞食是有害的。 Harmful by inhalation, in contact with skin and if swallowed.
R20/22 吸入和吞食是有害的。 Harmful by inhalation and if swallowed.
R21 與皮膚接觸是有害的。 Harmful in contact with skin.
R21/22 與皮膚接觸和吞食是有毒的。 Harmful in contact with skin and if swallowed.
R22 吞食是有害的。 Harmful if swallowed.
R23 吸入有害。 Toxic by inhalation.
R23/24 吸入和與皮膚接觸是有毒的。 Toxic by inhalation and in contact with skin.
R23/24/25 吸入、與皮膚接觸和吞食是有毒的。 Toxic by inhalation, in contact with skin and if swallowed.
R23/25 吸入和吞食是有毒的。 Toxic by inhalation and if swallowed.
R24 與皮膚接觸有毒。 Toxic in contact with skin.
R24/25 與皮膚接觸和吞食是有毒的。 Toxic in contact with skin and if swallowed. R25 吞食有毒。 Toxic if swallowed.
R26 吸入有高毒性。 Very toxic by inhalation.
R26/27 吸入和與皮膚接觸有高毒性。 Very toxic by inhalation and in contact with skin.
R26/27/28 吸入、與皮膚接觸和吞食有高毒性。 Very toxic by inhalation, in contact with skin and if swallowed.
R26/28 吸入和吞食有高毒性。 Very toxic by inhalation and if swallowed.
R27 與皮膚接觸有高毒性。 Very toxic in contact with skin.
R27/28 與皮膚接觸和吞食有高毒性。 Very toxic in contact with skin and if swallowed.
R28 吞食有高毒性。 Very toxic if swallowed.
R29 與水接觸釋放出有毒氣體。 Contact with water liberates toxic gas.
R30 使用會變?yōu)楦叨纫兹嫉摹?Can become highly flammable in use.
R31 與酸接觸釋放出有毒氣體。 Contact with acids liberates toxic gas.
R32 與酸接觸釋放出高毒性氣體。 Contact with acids liberates very toxic gas.
R33 有累積作用危險。 Danger of cumulative effects.
R34 引起灼傷。 Causes burns.
R35 引起嚴重灼傷。 Causes severe burns.
R36 刺激眼睛。 Irritating to eyes.
R36/37 刺激眼睛和呼吸系統(tǒng)。 Irritating to eyes and respiratory system.
R36/37/38 刺激眼睛、呼吸系統(tǒng)和皮膚。 Irritating to eyes, respiratory system and skin.
R36/38 刺激眼睛和皮膚。 Irritating to eyes and skin.
R37 刺激呼吸系統(tǒng)。 Irritating to respiratory system.
R37/38 刺激呼吸系統(tǒng)和皮膚。 Irritating to respiratory system and skin.
R38 刺激皮膚。 Irritating to skin.
R39 有嚴重不可逆作用危險。 Danger of very serious irreversible effects.
R39/23 有毒的：經(jīng)吸入有嚴重不可逆作用危險。 Toxic : danger of very serious irreversible effects through inhalation.
R39/23/24 有毒的：經(jīng)吸入和與皮膚接觸有嚴重不可逆作用危險。 Toxic : danger of very serious irreversible effects through inhalation and in contact with skin.
R39/23/24/25 有毒的：經(jīng)吸入、與皮膚接觸和吞食有嚴重不可逆作用危險。 Toxic : danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed.
R39/23/25 有毒的：經(jīng)吸入和吞食有嚴重不可逆作用危險。 Toxic : danger of very serious irreversible effects through inhalation and if swallowed.
R39/24 有毒的：與皮膚接觸有嚴重不可逆作用危險。 Toxic : danger of very serious irreversible effects in contact with skin.
R39/24/25 有毒的：與皮膚接觸和吞食有嚴重不可逆作用危險。 Toxic : danger of very serious irreversible effects in contact with skin and if swallowed.
R39/25 有毒的：吞食有嚴重不可逆作用危險。 Toxic : danger of very serious irreversible effects if swallowed.
R39/26 高毒性：經(jīng)吸入有嚴重不可逆作用危險。 Very toxic : danger of very serious irreversible effects through inhalation.
R39/26/27 高毒性：經(jīng)吸入和與皮膚接觸有嚴重不可逆作用危險。 Very toxic : danger of very serious irreversible effects through inhalation and in contact with skin.
R39/26/27/28 高毒性：經(jīng)吸入、與皮膚接觸和吞食有嚴重不可逆作用危險。 Very toxic : danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed.
R39/26/28 高毒性：經(jīng)吸入和吞食有嚴重不可逆作用危險。 Very toxic : danger of very serious irreversible effects through inhalation and if swallowed.
R39/27 高毒性：與皮膚接觸有嚴重不可逆作用危險。 Very toxic : danger of very serious irreversible effects in contact with skin.
R39/27/28 高毒性：與皮膚接觸和吞食有嚴重不可逆作用危險。 Very toxic : danger of very serious irreversible effects in contact with skin and if swallowed.
R39/28 高毒性：吞食有嚴重不可逆作用危險。 Very toxic : danger of very serious irreversible effects if swallowed.
R40 可能有不可逆作用的風險。 Possible risks of irreversible effects.
R40/20 有害的：經(jīng)吸入可能有不可逆作用的風險。 Harmful : possible risk of irreversible effects through inhalation.
R40/20/21 有害的：經(jīng)吸入和與皮膚接觸可能有不可逆作用的風險。 Harmful : possible risk of irreversible effects through inhalation and in contact with skin.
R40/20/21/22 有害的：經(jīng)吸入、與皮膚接觸和吞食可能有不可逆作用的風險。 Harmful : possible risk of irreversible effects through inhalation, in contact with skin and if swallowed.
R40/20/22 有害的：經(jīng)吸入和吞食可能有不可逆作用的風險。 Harmful : possible risk of irreversible effects through inhalation and if swallowed.
R40/21 有害的：與皮膚接觸可能有不可逆作用的風險。 Harmful : possible risk of irreversible effects in contact with skin.
R40/21/22 有害的：與皮膚接觸和吞食可能有不可逆作用的風險。 Harmful : possible risk of irreversible effects in contact with skin and if swallowed.
R40/22 有害的：吞食可能有不可逆作用的風險。 Harmful : possible risk of irreversible effects if swallowed
R41 對眼睛有嚴重損害的風險。 Risk of serious damage to eyes.
R42 吸入可能引起過敏。 May cause sensitization by inhalation.
R42/43 吸入和皮膚接觸可能引起過敏。 May cause sensitization by inhalation and skin contact.
R43 皮膚接觸可能引起過敏。 May cause sensitization by skin contact.
R44 在封閉情況下加熱有爆炸危險。 Risk of explosion if heated under confinement.
R45 可能致癌。 May cause cancer.
R46 可能造成不可逆的遺傳損害 May cause heritable genetic damage.
R47 可能引起出生缺陷。 May cause birth defects.
R48 長期接觸有嚴重損害健康的危險。 Danger of serious damage to health by prolonged exposure.
R48/20 有害的：經(jīng)吸入長期接觸有嚴重損害健康的危險。 Harmful : danger of serious damage to health by prolonged exposure through inhalation.
R48/20/21 有害的：經(jīng)吸入和與皮膚長期接觸有嚴重損害健康的危險。 Harmful : danger of serious damage to health by prolonged exposure through inhalation and in contact with skin.
R48/20/21/22 有害的：經(jīng)吸入、皮膚和吞食長期接觸有嚴重損害健康的危險。 Harmful : danger of serious damage to health by prolonged exposure through inh.,in contact with skin and if swallowed
R48/20/22 有害的：經(jīng)吸入和吞食長期接觸有嚴重損害健康的危險。 Harmful : danger of serious damage to health by prolonged exposure through inhalation and if swallowed.
R48/21 有害的：經(jīng)皮膚長期接觸有嚴重損害健康的危險。 Harmful : danger of serious damage to health by prolonged exposure in contact with skin.
R48/21/22 有害的：經(jīng)皮膚和吞食長期接觸有嚴重損害健康的危險。 Harmful : danger of serious damage to health by prolonged exposure in contact with skin and if swallowed.
R48/22 有害的：吞食長期接觸有嚴重損害健康的危險。 Harmful : danger of serious damage to health by prolonged exposure if swallowed.
R48/23 有毒的：經(jīng)吸入長期接觸有嚴重損害健康的危險。 Toxic : danger of serious damage to health by prolonged exposure through inhalation.
R48/23/24 有毒的：經(jīng)吸入和與皮膚長期接觸有嚴重損害健康的危險。 Toxic : danger of serious damage to health by prolonged exposure through inhalation and in contact with skin.
R48/23/24/25 有毒的：經(jīng)吸入、皮膚和吞食長期接觸有嚴重損害健康的危險。 Toxic : danger of serious damage to health by prolonged exposure through inh.,in contact with skin and if swallowed
R48/23/25 有毒的：經(jīng)吸入和吞食長期接觸有嚴重損害健康的危險。 Toxic : danger of serious damage to health by prolonged exposure through inhalation and if swallowed.
R48/24 有毒的：經(jīng)皮膚長期接觸有嚴重損害健康的危險。 Toxic : danger of serious damage to health by prolonged exposure in contact with skin.
R48/24/25 有毒的：經(jīng)皮膚和吞食長期接觸有嚴重損害健康的危險。 Toxic : danger of serious damage to health by prolonged exposure in contact with skin and if swallowed.
R48/25 有毒的：吞食長期接觸有嚴重損害健康的危險。 Toxic : danger of serious damage to health by prolonged exposure if swallowed.
R49 吸入可能致癌。 May cause cancer by inhalation.
R50 對水生生物有高毒性。 Very toxic to aquatic organisms.
R50/53 對水生生物有高毒性，可能在水生環(huán)境中造成長期不利影響。 Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
R51 對水生生物是有毒的。 Toxic to aquatic organisms.
R51/53 對水生生物有毒，可能在水生環(huán)境中造成長期不利影響。 Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
R52 對水生生物是有害的。 Harmful to aquatic organisms.
R52/53 對水生生物有害，可能在水生環(huán)境中造成長期不利影響。 Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
R53 可能在水生環(huán)境中造成長期不利影響。 May cause long-term adverse effects in aquatic environment.
R54 對植物群有毒。 Toxic to flora.
R55 對動物群有毒。 Toxic to fauna.
R56 對土壤中生物有毒。 Toxic to soil organisms.
R57 對蜜蜂有毒。 Toxic to bees.
R58 可能在環(huán)境中造成長期不利影響。 May cause long-term adverse effects in the environment.
R59 對臭氧層有危害。 Dangerous for the ozon layer.
R60 可能損傷生育力。 May impair fertility.
R61 可能對未出生嬰兒造成危害。 May cause harm to the unborn child.
R62 可能有損傷生育力的危險。 Possible risk of impaired fertility.
R63 可能有損害未出生嬰兒的危險。 Possible risk of harm to the unborn child.
R64 可能對哺乳嬰兒造成危害。 May cause harm to breastfed babies.
R65 有害的：吞食可能造成肺部損害。 Harmfull may cause lung damage if swallowed
R66 反復接觸可能導致皮膚干燥或皴裂。 Harmfull may cause lung damage if swallowed
R67 蒸汽可能導致嗜睡和昏厥。 Harmfull may cause lung damage if swallowed
R68 可能有不可挽回的作用的危險。 Harmfull may cause lung damage if swallowed