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779423

Sigma-Aldrich

Ammonia solution

4 M in methanol

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About This Item

Linear Formula:
NH3
CAS Number:
7664-41-7
Molecular Weight:
17.03
MDL number:
MFCD00011418
UNSPSC Code:
12352300
PubChem Substance ID:
329768037
NACRES:
NA.21

form

liquid

Quality Level

200

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).


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Pricing

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

EUH071

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

57.2 °F - open cup

Flash Point(C)

14 °C - open cup

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH Annex XVII (Restriction List)

CAS No.

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Ledgard J.
The Preparatory Manual of Explosives., 41-41 (2007)
Eagleson M.
Concise Encyclopedia Chemistry, 65-66 (1994)
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
Lars Nybo et al.
The Journal of physiology, 563(Pt 1), 285-290 (2004-12-22)
We evaluated whether peripheral ammonia production during prolonged exercise enhances the uptake and subsequent accumulation of ammonia within the brain. Two studies determined the cerebral uptake of ammonia (arterial and jugular venous blood sampling combined with Kety-Schmidt-determined cerebral blood flow;
Giles E D Oldroyd et al.
Current opinion in biotechnology, 26, 19-24 (2014-04-01)
The availability of nitrogen is one of the major limiting factors to crop growth. In the developed world, farmers use unsustainable levels of inorganic fertilisers to promote crop production. In contrast, in the developing world inorganic fertilisers are often not
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