Appearance: Colourless liquid ; Colourless liquid with pungent odour ; Colorless liquid or crystals with a sour, vinegar-like odor. [Note: Pure compound is a solid below 62°F. Often used in an aqueous solution.]
NH3
Names: Ammonia, Azane (only intended for use in naming derivatives of ammonia), Hydrogen nitride
Appearance: Colourless gas ; Colourless gas or compressed liquefied gas with pungent odour ; Colorless gas with a pungent, suffocating odor. [Note: Shipped as a liquefied compressed gas. Easily liquefied under pressure.]