About this item CONCENTRATION: Professional-grade 25% ammonia solution (NH₄OH) in a convenient 1-litre amber glass bottle LABORATORY GRADE: Premium quality ammonium hydroxide solution suitable for analytical and laboratory applications PACKAGING: Stored in dark amber glass bottle to maintain chemical stability and prevent degradation CHEMICAL PROPERTIES: Clear, colourless solution with characteristic pungent odour; molecular weight 35.05 g/mol STORAGE: Keep in tightly sealed container in a cool, well-ventilated area away from direct sunlight and heat sources