This 4 x 1-gallon container of isopropyl alcohol 99.97% by KMG Electronic Chemicals® is of LP (low particulate) grade. It appears as a colorless liquid with an alcoholic odor. Manufactured to parts-per-billion trace impurities. Due to Federal regulations, this item is not returnable. Material: Isopropyl Alcohol 99.97%. Grade: LP (Low Particulate). Appearance: Colorless Liquid. Odor: Alcoholic. Melting Point: -127.9°F (-88.83°C). Boiling Point: 180.6°F (82.55°C). Flash Point: 56.3°F (12°C). Evaporation Rate: 1.7. Vapor Pressure: 33.08mm Hg. Vapor Density: 2.07 (Air = 1). Solubility: Completely Soluble In Water. Auto-ignition Temperature: 750.2°F (399°C). Molecular Weight: 60.11g/mole. Molecular Formula: C3H8O. Quantity: 4 x 1-Gallon. KMG Electronic Chemicals® #: 431-200440.