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392685

Sigma-Aldrich

Ammonia solution

2.0 M in ethanol

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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:
329755831
NACRES:
NA.55

form

liquid

Quality Level

100

concentration

1.90-2.20 M (with NaOH, titration)
2.0 M in ethanol

bp

60 °C

density

0.785 g/mL at 25 °C

application(s)

microbiology

SMILES string

N

InChI

1S/H3N/h1H3

InChI key

QGZKDVFQNNGYKY-UHFFFAOYSA-N

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General description

The product is a solution of 2M ammonia in ethanol. Ammonia is a colorless gas with a characteristic strong odor. It is highly soluble in water, alcohol, chloroform and ether. Ammonia molecule is pyramidal in shape with nitrogen in the center and the three hydrogen atoms along the three vertices and the lone pair of electrons on the fourth vertex. Ammonia solution is commonly used as a base.

Application

Ammonia solution (in 2M ethanol) was used as an ammonia source to study the role of ammonia in causing metabolic changes in bacteria.

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Danger

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 3 - Eye Dam. 1 - Flam. Liq. 2 - Skin Irrit. 2

Storage Class

3 - Flammable liquids

wgk_germany

WGK 2

flash_point_f

37.4 °F - closed cup

flash_point_c

3 °C - closed cup

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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Biogenic ammonia modifies antibiotic resistance at a distance in physically separated bacteria.
Bernier SP, et al.
Molecular Microbiology, 81(3), 705-716 (2011)
Ledgard J.
The Preparatory Manual of Explosives., 41-41 (2007)
Eagleson M.
Concise Encyclopedia Chemistry, 65-66 (1994)
Patrick M Erwin et al.
The ISME journal, 8(3), 575-588 (2013-10-25)
Ascidians are ecologically important components of marine ecosystems yet the ascidian microbiota remains largely unexplored beyond a few model species. We used 16S rRNA gene tag pyrosequencing to provide a comprehensive characterization of microbial symbionts in the tunic of 42
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;
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