List of High Risk Hazard Statements
Code | Physical Hazards |
H200Â | Unstable explosive (Explosives too hazardous for transport) |
H201Â | Explosive; mass explosion hazard (DG 1.1 Explosives) |
H202 | Explosive; severe projection hazard (DG 1.2 Explosives) |
H203Â | Explosive; fire, blast or projection hazard (DG 1.3 Explosives) |
H220Â | Extremely flammable gas (DG 2.1 Flammable gas) |
H222Â | Extremely flammable aerosol (DG 2.1 Flammable gas) |
H224 | Extremely flammable liquid and vapour (DG 3 Flammable liquid PG I; R10 – Flammable) |
H240Â | Heating may cause an explosion (Substances too hazardous for transport; DG 4.1 Self-reactive substance type A; DG 5.2 Organic peroxides type A) |
H250Â | Catches fire spontaneously if exposed to air (DG 4.2 pyrophoric substance PG I; R17 -Spontaneously flammable in air) |
H251Â | Self-heating; may catch fire (DG 4.2 Self-heating substance PG II) |
H260Â | In contact with water releases flammable gases which may ignite spontaneously (DG 4.3 substances which in contact with water emit flammable gases PG I) |
 | Health hazards |
H300Â | Fatal if swallowed (DG 6.1 Toxic substance PG I or II; R28 - Very Toxic if swallowed) |
H301Â | Toxic if swallowed (DG 6.1 Toxic substance PG III; R25 - Toxic if swallowed) |
H310 | Fatal in contact with skin (DG 6.1 Very toxic substances PG I or II; R27 – Very toxic in contact with skin) |
H311 | Toxic in contact with skin (DG 6.1 Very toxic substances PG III; R24 – Toxic in contact with skin) |
H314 | Causes severe skin burns and eye damage (DG 2.3 Toxic gases, DG 8 Corrosive Substances PG I, II or III; R34 – Causes burns and R35 – Causes severe burns) |
H317 | May cause an allergic skin reaction (R43 – May cause sensitisation by skin contact) |
H318 | Causes serious eye damage (R41 – Risk of serious damage to eyes) |
H330 | Fatal if inhaled (DG 2.3 Toxic gases; DG 6.1 Toxic Substances PG I or II; R23 – Toxic by inhalation; R26 – Very toxic by inhalation) |
H331 | Toxic if inhaled (DG 2.3 Toxic gases; DG 6.1 Toxic Substances PG III; R23 – Toxic by inhalation) |
H334 | May cause allergy or asthma symptoms or breathing difficulties if inhaled (R42 – May cause sensitisation) |
H340 | May cause genetic defects (R46 – may cause heritable genetic effects) |
H341 | Suspected of causing genetic defects (R68 – Possible risk of irreversible damage) |
H350 | May cause cancer (R45 – May cause cancer) |
H350i | May cause cancer by inhalation (R49 - May cause cancer by inhalation) |
H351 | Suspected of causing cancer (R40 – Limited evidence of carcinogenic effect) |
H360 | May damage fertility or the unborn child (R60 – May impair fertility; R61 – May cause harm to the unborn child) |
H361 | Suspected of damaging fertility or the unborn child (R62 – possible risk of impaired fertility; R63 – Possible risk of harm to the unborn child) |
H362 | May cause harm to breast-fed children (R64 – May cause harm to breast fed babies) |
H370 | Causes damage to organs (R23 – Toxic by inhalation; R24 – Toxic in contact with skin; R25 – Toxic if swallowed;(R26 – Very toxic by inhalation; R27 – Very toxic in contact with skin; R28 – Very toxic if swallowed; R39 – Danger of very serious irreversible effects) |
H372 | Causes damage to organs through prolonged or repeated exposure (R23 – toxic by inhalation; R24 – Toxic in contact with skin; R25 – Toxic if swallowed; R48 – Danger of serious damage to health by prolonged exposure) |
H373 | May cause damage to organs through prolonged or repeated exposure (R48 – Danger of serious damage to health by prolonged exposure) |
 | Environmental hazards |
H400 | Very toxic to aquatic life (DG 9: Acute Aquatic Toxicity I; R50 – very toxic to aquatic organisms; R53 – May cause long term adverse effects in the aquatic environment) |
H410 | Very toxic to aquatic life with long lasting effects (DG 9: Chronic Aquatic Toxicity I; R50 – very toxic to aquatic organisms; R53 – May cause long term adverse effects in the aquatic environment) |
H411 | Toxic to aquatic life with long lasting effects (DG 9: Chronic Aquatic Toxicity II; R51 – Toxic to aquatic organisms; R53 – May cause long term adverse effects in the aquatic environment) |
H412 | Harmful to aquatic life with long lasting effects (R52 – harmful to aquatic organisms; R53 – May cause long term adverse effects in the aquatic environment) |
H413 | May cause long lasting harmful effects to aquatic life (R53 – May cause long term adverse effects in the aquatic environment) |
H420Â | Harms public health and the environment by destroying ozone in the upper atmosphere |