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Ammonia Water

  • Ammonia Water
  • Ammonia Water

Product Details

Product name: Ammonia Water

Density: 0.91 g/cm³

Product name: Ammonia Water

Appearance: Colorless transparent liquid

Alias: Ammonia water, ammonia solution [containing ammonia >10%], Ammonia Water solution, Ammonia aqueous, Ammonium Hydroxide

Application: Chemical field

Chemical formula: NH3·H2O

Hazard symbols: H302; H314; H400; H318

Molecular weight: H5NO

UN dangerous goods number: 2073:2672:3318

CAS registration number: 1336-21-6

Essence: Aqueous solution of ammonia

EINECS registration number: 215-647-6

Material composition: Main component: Ammonia (10-35%) Secondary component: Water (65-90%)

Melting point: -77 ℃

Saturated vapor pressure (kPa): 1.59 (20℃)

Boiling point: 38 ℃

Octanol/water partition coefficient: -2.660

Water solubility: soluble (20℃)

RTECS number: BQ9625000


Ammonia Water is an aqueous solution of gaseous ammonia [1]. The main component is NH3 ·H2O, which is ammonia monohydrate. It is colorless and transparent and has a pungent odor. Ammonia Water is less dense than water, unstable, volatile, and easy to decompose when exposed to light and heat. Ammonia Water itself is non-flammable and non-explosive liquid. The ammonia separated from the water has a strong pungent smell, which is irritating and corrosive to the human eyes, nose and skin, and poses a risk of burning and explosion.

Concentrated Ammonia Water usually contains 28%-29% ammonia. The gas molecules in Ammonia Water are slightly hydrolyzed to generate hydroxide ions (OH-) and ammonium ions (NH4+), so they are weakly alkaline and have alkaline properties. It is chemical and can react with acidic substances and various metal ions such as copper and zinc to form insoluble weak bases or amphoteric hydroxides. It is an important chemical raw material and a common source of ammonia in chemical experiments. It is widely used in agriculture, industry, scientific research and other fields.

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