Quick view View Item Diacetyl for synthesis (2mL) Diacetyl Diacetyl for synthesis. CAS 431-03-8 Synonym: 2,3-Butanedione, 2,3-Butadione, Dimethyldiketon, Dimethylglyoxal, 2,3-Butanedione, 2,3-Butadione, Dimethyldiketon, Dimethylglyoxal CAS Number 431-03-8 Empirical Formula (Hill... Weight: 1.00 LBS View Item Quick view Qty in Cart: 0 Price: Subtotal: