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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

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.

Signal Word

Danger

Hazard Statements

H225,H315,H318,H410

Hazard Classifications

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

Storage Class Code

3 - Flammable liquids

WGK

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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Ledgard J.
The Preparatory Manual of Explosives., 41-41 (2007)
Biogenic ammonia modifies antibiotic resistance at a distance in physically separated bacteria.
Bernier SP, et al.
Molecular Microbiology, 81(3), 705-716 (2011)
Eagleson M.
Concise Encyclopedia Chemistry, 65-66 (1994)
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;
S M Gråsten et al.
The Journal of nutrition, 130(9), 2215-2221 (2000-08-26)
Cereal fiber may reduce the risk of colorectal cancer by diluting colonic contents due to increased fecal output, by accelerating intestinal transit, by increasing fecal frequency and by altering bacterial metabolism. The effects of whole-meal rye bread on some putative
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