GHS hazard statements (H-codes)
Every GHS hazard statement, grouped by hazard type. Each H-code has a standardized meaning used worldwide on Safety Data Sheets and labels. Select any code for its full reference — hazard class, signal word, pictogram and related statements.
Physical hazards
- H200Unstable explosiveDanger
- H201Explosive; mass explosion hazardDanger
- H202Explosive; severe projection hazardDanger
- H203Explosive; fire, blast or projection hazardDanger
- H204Fire or projection hazard
- H205May mass explode in fireDanger
- H220Extremely flammable gasDanger
- H221Flammable gas
- H222Extremely flammable aerosolDanger
- H223Flammable aerosol
- H224Extremely flammable liquid and vapourDanger
- H225Highly flammable liquid and vapourDanger
- H226Flammable liquid and vapour
- H227Combustible liquid
- H228Flammable solidDanger
- H229Pressurized container: may burst if heated
- H230May react explosively even in the absence of air
- H231May react explosively even in the absence of air at elevated pressure and/or temperature
- H232May ignite spontaneously if exposed to air
- H240Heating may cause an explosionDanger
- H241Heating may cause a fire or explosionDanger
- H242Heating may cause a fire
- H250Catches fire spontaneously if exposed to airDanger
- H251Self-heating in large quantities; may catch fire
- H252Self-heating in large quantities; may catch fire
- H260In contact with water releases flammable gases which may ignite spontaneouslyDanger
- H261In contact with water releases flammable gas
- H270May cause or intensify fire; oxidizer
- H271May cause fire or explosion; strong oxidizerDanger
- H272May intensify fire; oxidizer
- H280Contains gas under pressure; may explode if heatedDanger
- H281Contains refrigerated gas; may cause cryogenic burns or injuryDanger
- H290May be corrosive to metalsDanger
Health hazards
- H300Fatal if swallowedDanger
- H301Toxic if swallowedDanger
- H302Harmful if swallowed
- H303May be harmful if swallowed
- H304May be fatal if swallowed and enters airways (aspiration hazard)Danger
- H305May be harmful if swallowed and enters airways
- H310Fatal in contact with skinDanger
- H311Toxic in contact with skinDanger
- H312Harmful in contact with skin
- H313May be harmful in contact with skin
- H314Causes severe skin burns and eye damage (corrosive)Danger
- H315Causes skin irritation
- H316Causes mild skin irritation
- H317May cause an allergic skin reaction (skin sensitizer)
- H318Causes serious eye damageDanger
- H319Causes serious eye irritation
- H320Causes eye irritation
- H330Fatal if inhaledDanger
- H331Toxic if inhaledDanger
- H332Harmful if inhaled
- H333May be harmful if inhaled
- H334May cause allergy or asthma symptoms or breathing difficulties if inhaled (respiratory sensitizer)Danger
- H335May cause respiratory irritation
- H336May cause drowsiness or dizziness
- H340May cause genetic defects (mutagen)Danger
- H341Suspected of causing genetic defects (mutagen)
- H350May cause cancer (carcinogen)Danger
- H350IMay cause cancer by inhalation (carcinogen)Danger
- H351Suspected of causing cancer
- H360May damage fertility or the unborn child (reproductive toxin)Danger
- H360DMay damage the unborn child (reproductive toxin)Danger
- H360FMay damage fertility (reproductive toxin)Danger
- H360FDMay damage fertility; may damage the unborn childDanger
- H361Suspected of damaging fertility or the unborn child
- H361DSuspected of damaging the unborn child
- H361FSuspected of damaging fertility
- H362May cause harm to breast-fed children
- H370Causes damage to organs (specific target organ toxicity, single exposure)Danger
- H371May cause damage to organs
- H372Causes damage to organs through prolonged or repeated exposure (STOT repeated exposure)Danger
- H373May cause damage to organs through prolonged or repeated exposure
Environmental hazards
- H400Very toxic to aquatic lifeDanger
- H401Toxic to aquatic life
- H402Harmful to aquatic life
- H410Very toxic to aquatic life with long lasting effectsDanger
- H411Toxic to aquatic life with long lasting effects
- H412Harmful to aquatic life with long lasting effects
- H413May cause long lasting harmful effects to aquatic life
- H420Harms public health and the environment by destroying ozone in the upper atmosphere
Stop looking up codes by hand
GHSLogic reads the hazard and precautionary statements straight off your supplier SDSs, classifies the whole mixture across every GHS endpoint, and drafts a review-ready SDS and labels.