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718939

Sigma-Aldrich

Ammonia solution

0.4 M in THF

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100 ML
$132.00

$132.00

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100 ML
$132.00

About This Item

Linear Formula:
NH3
CAS Number:
7664-41-7
Molecular Weight:
17.03
MDL number:
MFCD00011418
UNSPSC Code:
12352300
PubChem Substance ID:
329763617
NACRES:
NA.21

$132.00

Available to ship onApril 29, 2025Details

Request a Bulk Order

form

liquid

Quality Level

100

concentration

0.30-0.50 M (by NaOH, titration)
0.4 M in THF

technique(s)

tissue culture: suitable (plant)

density

0.881 g/mL at 25 °C

storage temp.

2-8°C

SMILES string

N

InChI

1S/H3N/h1H3

InChI key

QGZKDVFQNNGYKY-UHFFFAOYSA-N

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Application

Ammonia solution was used in the detection of ammonia formed by the degradation of ammonium nitrate using quantum cascade laser (QCL) technology.[1]
Use of ammonia as:
  • A phermone in anuran tadpoles[2]
  • A nutrient in soil for plant nutrition[3]

Studies of contributions of archaea and bacteria to the ammonia-oxidizing potential of soils[4]

Interaction of ammonia and xenon with imidazole glycerol phosphate synthase from Thermotoga maritima[5]

Metabolism of ammonia in Aedes aegypti fat body and midgut tissues[6]

Used by ammonia-oxidizing bacteria[7]

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

target_organs

Central nervous system, Respiratory system

supp_hazards

EUH018,EUH019

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

-7.6 °F

flash_point_c

-22 °C

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Certificates of Analysis (COA)

Lot/Batch Number
0000442769
0000442769
0000430722
0000430722
0000433833

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Y B Manteifel et al.
Physiological research, 60 Suppl 1, S185-S191 (2011-07-23)
In laboratory experiments, conspecific excretions and ammonia solutions evoked avoidance reactions in tadpoles of three anuran species, Bufo bufo, Rana temporaria, and Rana arvalis. A differential sensitivity of ammonia chemoreception was determined for two anuran species. For Bufo bufo tadpoles
Christoph Liebold et al.
Protein science : a publication of the Protein Society, 19(9), 1774-1782 (2010-07-29)
The imidazole glycerol phosphate (ImGP) synthase from the hyperthermophilic bacterium Thermotoga maritima is a 1:1 complex of the glutaminase subunit HisH and the cyclase subunit HisF. It has been proposed that ammonia generated by HisH is transported through a channel
Takeshi Hozuki et al.
Microbes and environments, 25(2), 95-102 (2010-01-01)
Tetraheme cytochrome c-554 is a physiological electron acceptor of hydroxylamine oxidoreductase (HAO), a core enzyme of ammonia oxidation in chemoautotrophic nitrifiers. Here we report the purification of cytochrome c-554 from Nitrosococcus oceani strain NS58, a marine gammaproteobacterial ammonia-oxidizing bacterium. The
I. Arix, et al.,
BMC plant biology, 11 (2011)
Anne E Taylor et al.
Applied and environmental microbiology, 76(23), 7691-7698 (2010-10-05)
A method was developed to determine the contributions of ammonia-oxidizing archaea (AOA) and ammonia-oxidizing bacteria (AOB) to the nitrification potentials (NPs) of soils taken from forest, pasture, cropped, and fallowed (19 years) lands. Soil slurries were exposed to acetylene to
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Questions

1–2 of 2 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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