Provides guidance on the problems associated with the determination of flashpoint during the classification of substances. It discusses the principles and the pitfalls present in the test methods used in the classification. It is aimed at those directly responsible for the classification of flammability hazard, ie manufacturers and suppliers. It can also help the end-user of a substance to interpret the flammability information given by the safety data sheet and label on the packaging. Contents: Classification of hazards; Flammability principles; Incidents resulting from inadequate flammability data; Flashpoint measurement; ISO 1523; ISO 3679; ISO 3680; ISO 1516; The interpretation of flashpoint; Important points to bear in mind;
