A non-corrosive material which may, through immediate prolonged or repeated contact with the skin or mucous membrane, cause pain, discomfort or minor injury. Such reactions may appear as a precursor to more serious injury
Working Party of the Engineering Practice Committee of the Institution of Chemical Engineers, Nomenclature for Hazard and Risk Assessment in the Process Industries, Rugby, UK 1982. http://cn.manganese.org/images/uploads/pdf/NOMENCL ATURE_OFR_HAZARD_AND_RISK_ ASSESSMENT_IN_THE_PROCESS_INDUSTRIES.pdf, (Nomenclature for Haz and Rsk Assess in the Procss Ind - Brit) {998}