H226

H226 is a hazard statement code used in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) and in the European Union's CLP Regulation. The statement reads Flammable liquid and vapour and is applied to substances whose flammability can arise from either the liquid or its vapour form. In practice, substances labeled with H226 are capable of forming flammable mixtures with air, and ignition sources such as sparks, flames, or hot surfaces must be avoided.

Scope and interpretation of H226 reflect the flammability risk associated with liquids that can ignite in either phase. It is used for liquids with a relatively broad flammability potential, and it is commonly combined with other hazard statements to convey the overall risk and necessary handling precautions. The statement appears on product labels, safety data sheets, and regulatory documentation to communicate the need for careful storage, handling, and protection.

Safety and handling considerations for materials bearing H226 include keeping the substance away from heat sources and ignition sources, using appropriate ventilation, controlling leaks, and applying suitable personal protective equipment. Storage typically requires flammable liquids precautions, such as restricted access, secondary containment where appropriate, and adherence to local regulations for flammable materials. H226 may be accompanied by other hazard statements that indicate additional risks (for example higher or broader flammability categories) or hazard classes, helping users determine specific precautions.

Related hazard statements in the same system include H225 and H224, which indicate higher levels of flammability, as well as the broader GHS/CLP framework.