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Description of key information

Single values for the category or individual UVCB members are not applicable. Gasoline naphthas are classified for flammability based on flash point data. The flammability range for substances that comprise the gasoline naphthas category is 1.4% (LFL) to 7.6% (UFL) (Eaton 1990).

Key value for chemical safety assessment

extremely flammable

Additional information

The flammability range of 1.4% (LFL) to 7.6% (UFL) was obtained from the Eaton 1990 publication and the CONCAWE Category Justification Document, based on data for gasoline. The data are considered reliable. For Liquids, only flash point data are required to characterize flammability, as specified in REACH Technical Guidance on Information Requirements / CSA, section 7.1.10.

Justification for classification or non-classification

Gasoline naphthas are classified as 'Extremely flammable' (H224), unless flash point and boiling point data meet criteria for 'highly flammable' (H225) or 'flammable' (H226).