This 4 x 1-gallon container of hydrogen peroxide 30% by KMG Electronic Chemicals® is of megabit grade. It appears as a colorless, odorless liquid. Manufactured to parts-per-billion trace impurities. Due to Federal regulations, this item is not returnable. Material: Hydrogen Peroxide 30%. Grade: Megabit. Appearance: Colorless Liquid. Odor: Odorless. pH: 2 To 4. Melting Point: -18.4 To -22°F (-28 To -30°C). Boiling Point: 222.8°F (106°C). Vapor Pressure: 17.54mm Hg. Specific Gravity: 1.13 (Water = 1). Solubility: Completely Soluble In Water. Quantity: 4 x 1-Gallon. KMG Electronic Chemicals® #: 429-064024.