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217581

Sigma-Aldrich

Barium nitrate

ACS reagent, ≥99%

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About This Item

Linear Formula:
Ba(NO3)2
CAS Number:
Molecular Weight:
261.34
EC Number:
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
NB.24
grade:
ACS reagent
form:
solid
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grade

ACS reagent

Quality Level

Assay

≥99%

form

solid

impurities

≤0.01% insolubles

pH

5.0-8.0 (25 °C, 5%)

mp

592 °C (dec.) (lit.)

anion traces

chloride (Cl-): ≤5 ppm

cation traces

Ca: ≤0.05%
Fe: ≤2 ppm
K: ≤0.005%
Na: ≤0.005%
Sr: ≤0.1%
heavy metals: ≤5 ppm (by ICP-OES)

SMILES string

[Ba++].[O-][N+]([O-])=O.[O-][N+]([O-])=O

InChI

1S/Ba.2NO3/c;2*2-1(3)4/q+2;2*-1

InChI key

IWOUKMZUPDVPGQ-UHFFFAOYSA-N

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Application

Barium nitrate can be used as:
  • A catalyst to synthesize 1,4-dihydropyridines[1].
  • A promoter precursor in ammonia synthesis[2].

Pictograms

Flame over circleSkull and crossbones

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Oral - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Ox. Sol. 2

Storage Class Code

5.1B - Oxidizing hazardous materials

WGK

WGK 1


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The working state of the barium promoter in ammonia synthesis over an active-carbon-supported ruthenium catalyst using barium nitrate as the promoter precursor
Zeng H, et al.
J. Catal., 211, 33-41 (2002)
Thermal decomposition of bulk and supported barium nitrate.
Bardwell CJ, et al.
Thermochimica Acta, 613, 94-99 (2015)
Facile Synthesis and Antibacterial, Antitubercular, and Anticancer Activities of Novel 1, 4-Dihydropyridines
Sirisha K, et al.
Arch. Pharm. (Weinheim), 343, 342-352 (2010)
Guo-Hong Li et al.
Huan jing ke xue= Huanjing kexue, 28(2), 352-357 (2007-05-11)
PACls with different concentrations were prepared by adding sodium carbonate powder into AlCl13 solution. Medium concentration and high Al13 content of PACl was chosen to carry out Al13 separation processes. The influences of SO4/Al molar ratio and the initial total
M Monaco et al.
La Medicina del lavoro, 82(5), 439-445 (1991-09-01)
Barium nitrate, which is used in industry in the production of green signal lights, to remove gases from vacuum tubes, and in the production of barium oxide, was assayed to assess the possible mutagenic effects using both the Ames test

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

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    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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