Synonym(s): 2-Butenal Formula: C4H6O Formula weight: 70.09 Purity: 98+% CAS Number: 4170-30-3 UN Number: UN1143 Hazard Class: 6.1 Packing Group: I Harmonized Tariff Code:  2912.19 Hazard Statements: H225-H301-H311-H330-H341-H373-H315-H335 Highly flammable liquid and…