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Ammonia Solution Aq. 25% - 1000ml
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Description
Ammonia Solution Aq. 25%
Other Names: Ammonium hydroxide solution, aqueous ammonia
CAS Number: 1336-21-6
Sum Formula: NH₄OH (aqueous solution of NH₃)
Molar Mass (NH₃): 17.03 g/mol
Concentration: 25% ammonia by weight in water
Appearance: Colorless, transparent liquid with a strong pungent odor
Chemical and Physical Properties
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Density: ~0.91 g/cm³ at 20°C
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Boiling Point: Approx. 37°C (depends on concentration; ammonia gas is released)
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Melting Point: Approx. −57°C
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pH: Highly alkaline (>11)
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Solubility: Completely miscible with water
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Vapor Pressure: High; readily releases ammonia gas
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Odor: Pungent, characteristic ammonia smell
Applications
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Chemical Industry: Used as a reagent in the production of fertilizers, plastics, explosives, dyes, and other compounds.
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Water Treatment: Applied for pH adjustment and in the removal of impurities.
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Cleaning Products: Effective as a degreasing and cleaning agent in industrial and laboratory settings.
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Metal Surface Treatment: Used for etching and preparing metal surfaces.
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Laboratory Reagent: Employed in analytical chemistry for qualitative and quantitative analysis.
Safety
Signal Word: Danger
H314 (99.9%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
H318 (10.9%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
H335 (16.7%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
H400 (99.8%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
P260, P261, P264, P264+P265, P271, P273, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P319, P321, P363, P391, P403+P233, P405, and P501
Handling and Storage
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Storage Conditions: Store in tightly closed containers in a cool, well-ventilated area. Keep away from acids and incompatible materials.
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Handling Precautions: Avoid inhalation of vapors. Use with adequate ventilation and wear suitable protective equipment. Prevent contact with skin and eyes.