| H200 : | Unstable explosive |
| H201 : | Explosive; mass explosion hazard |
| H202 : | Explosive; severe projection hazard |
| H203 : | Explosive; fire, blast or projection hazard |
| H204 : | Fire or projection hazard |
| H205 : | May mass explode in fire |
| H220 : | Extremely flammable gas |
| H221 : | Flammable gas |
| H222 : | Extremely flammable aerosol |
| H223 : | Flammable aerosol |
| H224 : | Extremely flammable liquid and vapour |
| H225 : | Highly flammable liquid and vapour |
| H226 : | Flammable liquid and vapour |
| H228 : | Flammable solid |
| H240 : | Heating may cause an explosion |
| H241 : | Heating may cause a fire or explosion |
| H242 : | Heating may cause a fire |
| H250 : | Catches fire spontaneously if exposed to air |
| H251 : | Self-heating; may catch fire |
| H252 : | Self-heating in large quantities; may catch fire |
| H260 : | In contact with water releases flammable gases which may ignite spontaneously |
| H261 : | In contact with water releases flammable gas |
| H270 : | May cause or intensify fire; oxidizer |
| H271 : | May cause fire or explosion; strong oxidizer |
| H272 : | May intensify fire; oxidizer |
| H280 : | Contains gas under pressure; may explode if heated |
| H281 : | Contains refrigerated gas; may cause cryogenic burns or injury |
| H290 : | May be corrosive to metals |
| H300 : | Fatal if swallowed |
| H301 : | Toxic if swallowed |
| H302 : | Harmful if swallowed |
| H304 : | May be fatal if swallowed and enters airways |
| H310 : | Fatal in contact with skin |
| H311 : | Toxic in contact with skin |
| H312 : | Harmful in contact with skin |
| H314 : | Causes severe skin burns and eye damage |
| H315 : | Causes skin irritation |
| H317 : | May cause an allergic skin reaction |
| H318 : | Causes serious eye damage |
| H319 : | Causes serious eye irritation |
| H330 : | Fatal if inhaled |
| H331 : | Toxic if inhaled |
| H332 : | Harmful if inhaled |
| H334 : | May cause allergy or asthma symptoms or breathing difficulties if inhaled |
| H335 : | May cause respiratory irritation |
| H336 : | May cause drowsiness or dizziness |
| H340 : | May cause genetic defects |
| H341 : | Suspected of causing genetic defects |
| H350 : | May cause cancer |
| H350i : | May cause cancer |
| H351 : | Suspected of causing cancer |
| H360 : | May damage fertility or the unborn child |
| H360D : | May damage the unborn child |
| H360Df : | May damage the unborn child. Suspected damage fertility |
| H360F : | Suspected damage fertility |
| H360FD : | May damage the unborn child. May damage fertility |
| H360Fd : | May damage fertility. Suspected damage the unborn child |
| H361 : | Suspected of damaging fertility or the unborn child |
| H361d : | Suspected damage the unborn child |
| H361f : | Suspected damage fertility |
| H361fd : | Suspected damage fertility. Suspected damage the unborn child |
| H362 : | May cause harm to breast-fed children |
| H370 : | Causes damage to organs |
| H371 : | May cause damage to organs |
| H372 : | Causes damage to organs through prolonged or repeated exposure |
| H373 : | May cause damage to organs through prolonged or repeated exposure |
| H400 : | Very toxic to aquatic life |
| H410 : | Very toxic to aquatic life with long lasting effects |
| H411 : | Toxic to aquatic life with long lasting effects |
| H412 : | Harmful to aquatic life with long lasting effects |
| H413 : | May cause long lasting harmful effects to aquatic life |