p-Dimethylaminobenzaldehyde, 1.8%, available in 500mL (No. 154152-1) and 250mL (No. 154152-9) amber glass bottles.ASTM D1385-01.Shelf Life: 3 months.Shipping: Flammable Liquid, Corrosive, N.O.S. (Methanol, Hydrochloric Acid)/UN2924.