1-methyl-4-(propan-2-yl)benzene, 1-methyl-4-(propan-2-yl)benzene, 4-methylcumeen, p-cymene, paracymene Paracymene is a colorless liquid with a characteristic citrus-like aroma. Floats on water. H226H304H411P210P233P240P241P242P243P273P280P301+P310P303+P361+P353P331P370+P378P391P403+P235P405P501