Composition: Ammonium Hydroxide 28%, Water 72% Boiling Point: 24.70 °C Density: 0.9 Melting Point: -72°C Color: Colorless liquid Physical State: Liquid pH Range: 12 Solubility Information: Miscible Shelf Life: 37 Months Storage: Ambient DOT: UN2672, AMMONIA SOLUTIONS, 8, P.G. III