Chemical appearance 3 Cyclohexene Carboxylic Acid or 3 Cyclohexene 1 Carboxylic Acid has a colorless transparent appearance It comes in a liquid form with a strong pungent odour and has a density level of 0862 gmL Other trading names 3 Cyclohexene 1 Carboxylic Acid 3 Cyclohexenecarboxylic Acid Cyclohex 3 Enecarboxylic Acid Cyclohex 3 ene 1 carboxylic acid 1 2 3 6 Tetrahydrobenzoic Acid 1 Cyclohexene 4 carboxylic Acid