Risk Phrases 英文解释 中文解释
R1 Explosive when dry. 干燥时有爆炸性；
R2
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.
与空气或未与空气接触
发生爆炸；
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.
与可燃物料混合时发生
爆炸；
R10 Flammable. 易燃的；
R11 Highly flammable. 高度易燃的；
R12 Extremely flammable. 极易燃的；
R14 Reacts violently with water. 与水猛烈反应；
R14/15
Reacts violently with water, liberating highly
flammable gases.
与水猛烈反应，释放出
极易燃气体；
R15
Contact with water liberates extremely flammable
gases.
与水接触释放出极易燃
气体；
R15/29
Contact with water liberates toxic, highly flammable
gas.
与水接触释放出有毒的，
极易燃气体；
R16 Explosive when mixed with oxidizing substances.
与氧化性物质混合时发
生爆炸；
R17 Spontaneously flammable in air. 在空气中易自燃；
R18
In use, may form flammable/explosive vapour-air
mixture.
使用中可能形成易燃/
爆炸性蒸气空气混合物；
R19 May form explosive peroxides.
可能生成爆炸性过氧化
物；
R20 Harmful by inhalation. 吸入有害；
R20/21 Harmful by inhalation and in contact with skin.
吸入和与皮肤接触是有
害的；
R20/21/22
Harmful by inhalation, in contact with skin and if
swallowed.
吸入、与皮肤接触和吞
食是有害的；
R20/22 Harmful by inhalation and if swallowed. 吸入和吞食是有害的；
R21 Harmful in contact with skin. 与皮肤接触是有害的；
R21/22 Harmful in contact with skin and if swallowed.
与皮肤接触和吞食是有
毒的；
R22 Harmful if swallowed. 吞食是有害的；
R23 Toxic by inhalation. 吸入有害；
R23/24 Toxic by inhalation and in contact with skin.
吸入和与皮肤接触是有
毒的；
R23/24/25
Toxic by inhalation, in contact with skin and if
swallowed.
吸入、与皮肤接触和吞
食是有毒的；
R23/25 Toxic by inhalation and if swallowed. 吸入和吞食是有毒的；
R24 Toxic in contact with skin. 与皮肤接触有毒；
R24/25 Toxic in contact with skin and if swallowed.
与皮肤接触和吞食是有
毒的；
R25 Toxic if swallowed. 吞食有毒；
R26 Very toxic by inhalation. 吸入有极高毒性；
R26/27 Very toxic by inhalation and in contact with skin.
吸入和与皮肤接触有极
高毒性；
R26/27/28
Very toxic by inhalation, in contact with skin and if
swallowed.
吸入、与皮肤接触和吞
食有极高毒性；
R26/28 Very toxic by inhalation and if swallowed. 吸入和吞食有极高毒性；
R27 Very toxic in contact with skin. 与皮肤接触有极高毒性；
R27/28 Very toxic in contact with skin and if swallowed.
与皮肤接触和吞食有极
高毒性；
R28 Very toxic if swallowed. 吞食有极高毒性；
R29 Contact with water liberates toxic gas.
与水接触释放出有毒气
体；
R30 Can become highly flammable in use. 使用会变为高度易燃的；
R31 Contact with acids liberates toxic gas.
与酸接触释放出有毒气
体；
R32 Contact with acids liberates very toxic gas.
与酸接触释放出极高毒
性气体；
R33 Danger of cumulative effects. 有累积作用危险；
R34 Causes burns. 引起灼伤；
R35 Causes severe burns. 引起严重灼伤；
R36 Irritating to eyes. 刺激眼睛；
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 Irritating to respiratory system. 刺激呼吸系统；
R37/38 Irritating to respiratory system and skin. 刺激呼吸系统和皮肤；
R38 Irritating to skin. 刺激皮肤；
R39 Danger of very serious irreversible effects.
有极严重不可逆作用危
险；
R39/23
Toxic : danger of very serious irreversible effects
through inhalation.
有毒的：经吸入有极严
重不可逆作用危险；
R39/23/24
Toxic : danger of very serious irreversible effects
through inhalation and in contact with skin.
有毒的：经吸入和与皮
肤接触有极严重不可逆作用
危险；
R39/23/24/25
Toxic : danger of very serious irreversible effects
through inhalation, in contact with skin and if swallowed.
有毒的：经吸入、与皮
肤接触和吞食有极严重不可
逆作用危险；
R39/23/25
Toxic : danger of very serious irreversible effects
through inhalation and if swallowed.
有毒的：经吸入和吞食
有极严重不可逆作用危险；
R39/24
Toxic : danger of very serious irreversible effects in
contact with skin.
有毒的：与皮肤接触有
极严重不可逆作用危险；
R39/24/25
Toxic : danger of very serious irreversible effects in
contact with skin and if swallowed.
有毒的：与皮肤接触和
吞食有极严重不可逆作用危
险；
R39/25
Toxic : danger of very serious irreversible effects if
swallowed.
有毒的：吞食有极严重
不可逆作用危险；
R39/26
Very toxic : danger of very serious irreversible effects
through inhalation.
极高毒性：经吸入有极
严重不可逆作用危险；
R39/26/27
Very toxic : danger of very serious irreversible effects
through inhalation and in contact with skin.
极高毒性：经吸入和与
皮肤接触有极严重不可逆作
用危险；
R39/26/27/28
Very toxic : danger of very serious irreversible effects
through inhalation, in contact with skin and if swallowed.
极高毒性：经吸入、与
皮肤接触和吞食有极严重不
可逆作用危险；
R39/26/28
Very toxic : danger of very serious irreversible effects
through inhalation and if swallowed.
极高毒性：经吸入和吞
食有极严重不可逆作用危险；
R39/27
Very toxic : danger of very serious irreversible effects
in contact with skin.
极高毒性：与皮肤接触
有极严重不可逆作用危险；
R39/27/28
Very toxic : danger of very serious irreversible effects
in contact with skin and if swallowed.
极高毒性：与皮肤接触
和吞食有极严重不可逆作用
危险；
R39/28
Very toxic : danger of very serious irreversible effects
if swallowed.
极高毒性：吞食有极严
重不可逆作用危险；
R40 Possible risks of irreversible effects.
可能有不可逆作用的风
险；
R40/20
Harmful : possible risk of irreversible effects through
inhalation.
有害的：经吸入可能有
不可逆作用的风险；
R40/20/21
Harmful : possible risk of irreversible effects through
inhalation and in contact with skin.
有害的：经吸入和与皮
肤接触可能有不可逆作用的
风险；
R40/20/21/22
Harmful : possible risk of irreversible effects through
inhalation, in contact with skin and if swallowed.
有害的：经吸入、与皮
肤接触和吞食可能有不可逆
作用的风险；
R40/20/22
Harmful : possible risk of irreversible effects through
inhalation and if swallowed.
有害的：经吸入和吞食
可能有不可逆作用的风险；
R40/21
Harmful : possible risk of irreversible effects in
contact with skin.
有害的：与皮肤接触可
能有不可逆作用的风险；
R40/21/22
Harmful : possible risk of irreversible effects in
contact with skin and if swallowed.
有害的：与皮肤接触和
吞食可能有不可逆作用的风
险；
R40/22
Harmful : possible risk of irreversible effects if
swallowed
有害的：吞食可能有不
可逆作用的风险；
R41 Risk of serious damage to eyes.
对眼睛有严重损害的风
险；
R42 May cause sensitization by inhalation. 吸入可能引起过敏；
R42/43
May cause sensitization by inhalation and skin
contact.
吸入和皮肤接触可能引
起过敏；
R43 May cause sensitization by skin contact. 皮肤接触可能引起过敏；
R44 Risk of explosion if heated under confinement.
在封闭情况下加热有爆
炸危险；
R45 May cause cancer. 可能致癌；
R46 May cause heritable genetic damage.
可能造成不可逆的遗传
损害
R47 May cause birth defects. 可能引起出生缺陷；
R48
Danger of serious damage to health by prolonged
exposure.
长期接触有严重损害健
康的危险；
R48/20
Harmful : danger of serious damage to health by
prolonged exposure through inhalation.
有害的：经吸入长期接
触有严重损害健康的危险；
R48/20/21
Harmful : danger of serious damage to health by
prolonged exposure through inhalation and in contact with
skin.
有害的：经吸入和与皮
肤长期接触有严重损害健康
的危险；
R48/20/21/22
Harmful : danger of serious damage to health by
prolonged exposure through inh.,in contact with skin and if
swallowed
有害的：经吸入、皮肤
和吞食长期接触有严重损害
健康的危险；
R48/20/22
Harmful : danger of serious damage to health by
prolonged exposure through inhalation and if swallowed.
有害的：经吸入和吞食
长期接触有严重损害健康的
危险；
R48/21
Harmful : danger of serious damage to health by
prolonged exposure in contact with skin.
有害的：经皮肤长期接
触有严重损害健康的危险；
R48/21/22
Harmful : danger of serious damage to health by
prolonged exposure in contact with skin and if swallowed.
有害的：经皮肤和吞食
长期接触有严重损害健康的
危险；
R48/22
Harmful : danger of serious damage to health by
prolonged exposure if swallowed.
有害的：吞食长期接触
有严重损害健康的危险；
R48/23 Toxic : danger of serious damage to health by 有毒的：经吸入长期接
prolonged exposure through inhalation. 触有严重损害健康的危险；
R48/23/24
Toxic : danger of serious damage to health by
prolonged exposure through inhalation and in contact with
skin.
有毒的：经吸入和与皮
肤长期接触有严重损害健康
的危险；
R48/23/24/25
Toxic : danger of serious damage to health by
prolonged exposure through inh.,in contact with skin and if
swallowed
有毒的：经吸入、皮肤
和吞食长期接触有严重损害
健康的危险；
R48/23/25
Toxic : danger of serious damage to health by
prolonged exposure through inhalation and if swallowed.
有毒的：经吸入和吞食
长期接触有严重损害健康的
危险；
R48/24
Toxic : danger of serious damage to health by
prolonged exposure in contact with skin.
有毒的：经皮肤长期接
触有严重损害健康的危险；
R48/24/25
Toxic : danger of serious damage to health by
prolonged exposure in contact with skin and if swallowed.
有毒的：经皮肤和吞食
长期接触有严重损害健康的
危险；
R48/25
Toxic : danger of serious damage to health by
prolonged exposure if swallowed.
有毒的：吞食长期接触
有严重损害健康的危险；
R49 May cause cancer by inhalation. 吸入可能致癌；
R50 Very toxic to aquatic organisms. 对水生生物有极高毒性；
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，
可能在水生环境中造成长期
不利影响；
R51 Toxic to aquatic organisms. 对水生生物是有毒的；
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
在水生环境中造成长期不利
影响；
R52 Harmful to aquatic organisms. 对水生生物是有害的；
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
在水生环境中造成长期不利
影响；
R53
May cause long-term adverse effects in aquatic
environment.
可能在水生环境中造成
长期不利影响；
R54 Toxic to flora. 对植物群有毒；
R55 Toxic to fauna. 对动物群有毒；
R56 Toxic to soil organisms. 对土壤中生物有毒；
R57 Toxic to bees. 对蜜蜂有毒；
R58
May cause long-term adverse effects in the
environment.
可能在环境中造成长期
不利影响；
R59 Dangerous for the ozon layer. 对臭氧层有危害；
R60 May impair fertility. 可能损伤生育力；
R61 May cause harm to the unborn child.
可能对未出生婴儿造成
危害；
R62 Possible risk of impaired fertility.
可能有损伤生育力的危
险；
R63 Possible risk of harm to the unborn child.
可能有损害未出生婴儿
的危险；
R64 May cause harm to breastfed babies.
可能对哺乳婴儿造成危
害；
R65 Harmfull may cause lung damage if swallowed
有害的：吞食可能造成
肺部损害；
