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Sigma-Aldrich

Ammonia solution

4 M in methanol

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About This Item

Linear Formula:
NH3
CAS Number:
Molecular Weight:
17.03
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
NA.21

form

liquid

concentration

3.6-4.4 M (back titration with NaOH)
3400-4400 mmol/L (back titration with NaOH)
4 M in methanol

SMILES string

N

InChI

1S/H3N/h1H3

InChI key

QGZKDVFQNNGYKY-UHFFFAOYSA-N

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General description

Ammonia solution (ammonia in methanol) is a colorless gas with a characteristic strong odor. It is highly soluble in water, alcohol, chloroform ether, ethanol, and methanol. Ammonia solution is commonly used as a base.

Application


  • Integrated Approaches Revealed the Therapeutic Mechanisms of Zuojin Pill Against Gastric Mucosa Injury in a Rat Model with Chronic Atrophic Gastritis.: This study explores the multifaceted pharmacological effects of Zuojin Pill, employing ammonia solution in the experimental setup, which contributed to understanding its protective mechanisms against gastric mucosa injury (Chen L et al., 2024).

  • Research on the Synthesis of Zinc-Ammonium Phosphate Using Galvanic Waste Sludge as a Source of Zinc.: Focused on sustainable practices, this research employs ammonia solution in synthesizing zinc-ammonium phosphate from industrial waste, highlighting a novel method for recycling and environmental conservation (Morgovan CM et al., 2024).

  • Understanding the role of zinc ions on struvite nucleation and growth in the context of infection urinary stones.: This metallurgical study investigates how ammonia solution interacts with zinc ions to influence the formation of struvite crystals, crucial for understanding pathological processes in urinary infections (Prywer J et al., 2024).

  • Recycling of metals from LiFePO4 battery cathode material by using ionic liquid based-aqueous biphasic systems.: Ammonia solution is used in innovative ionic liquid systems for the recycling of valuable metals from spent batteries, contributing to sustainable material management (Li X et al., 2024).

  • Highly Efficient and Reproducible Sonochemical Synthesis of ZnO Nanocrystals.: This research demonstrates the use of ammonia solution in the sonochemical synthesis of ZnO nanocrystals, presenting a reproducible method for producing high-quality nanomaterials (Fioravanti A et al., 2024).


Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B - STOT SE 1

Target Organs

Eyes

Supplementary Hazards

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

57.2 °F - open cup

Flash Point(C)

14 °C - open cup


Certificates of Analysis (COA)

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Eagleson M.
Concise Encyclopedia Chemistry, 65-66 (1994)
Ledgard J.
The Preparatory Manual of Explosives., 41-41 (2007)
Marion Vallet et al.
Kidney international, 88(1), 137-145 (2015-03-12)
Recent studies suggest that alkalinizing treatments improve the course of chronic kidney disease (CKD), even in patients without overt metabolic acidosis. Here, we tested whether a decreased ability in excreting urinary acid rather than overt metabolic acidosis may be deleterious
Olivier Braissant et al.
Journal of inherited metabolic disease, 36(4), 595-612 (2012-10-31)
Hyperammonemia can be caused by various acquired or inherited disorders such as urea cycle defects. The brain is much more susceptible to the deleterious effects of ammonium in childhood than in adulthood. Hyperammonemia provokes irreversible damage to the developing central
Michaela Stieglmeier et al.
The ISME journal, 8(5), 1135-1146 (2014-01-10)
Soil emissions are largely responsible for the increase of the potent greenhouse gas nitrous oxide (N2O) in the atmosphere and are generally attributed to the activity of nitrifying and denitrifying bacteria. However, the contribution of the recently discovered ammonia-oxidizing archaea

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