Synonym(s): p-Benzoquinone hydroquinone complex Formula: C12H10O4 Formula weight: 218.21 Purity: 97% CAS Number: 106-34-3 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2942.00 Hazard Statements: H302-H315-H319-H335 Harmful if swallowed.…