All Photos(4)

217565

Sigma-Aldrich

Barium chloride dihydrate

ACS reagent, ≥99%

Empirical Formula (Hill Notation):
BaCl2 · 2H2O
CAS Number:
Molecular Weight:
244.26
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NB.24

Quality Level

grade

ACS reagent

assay

≥99%

form

powder, crystals or chunks

impurities

≤0.005% insolubles
≤0.005% oxidizers

loss

14.0-16.0% loss on drying

pH

5.2-8.2 (25 °C, 5%)

cation traces

Ca: ≤0.05%
Fe: ≤2 ppm
K: ≤0.0025%
Na: ≤0.005%
Sr: ≤0.1%
heavy metals: ≤5 ppm (by ICP-OES)

SMILES string

O.O.Cl[Ba]Cl

InChI

1S/Ba.2ClH.2H2O/h;2*1H;2*1H2/q+2;;;;/p-2

InChI key

PWHCIQQGOQTFAE-UHFFFAOYSA-L

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Application

Barium chloride dihydrate has been used:
  • in patch-clamp electrophysiological studies to block subthreshold-activated potassium channels
  • as an inward rectifier potassium (Kir) channel blocker to study the role of the channel by measuring the microglial membrane currents in response to voltage ramp stimuli after ATP injection
  • to prepare the stock solution to make artificial cerebrospinal fluid (aCSF)

Packaging

2.5 kg in poly bottle
100, 500 g in poly bottle

Biochem/physiol Actions

Barium chloride is a potassium ion channel blocker. It is considered toxic. Barium chloride prevents the D2-like receptor-mediated hyperpolarisation of spinal central pattern generator (CPG) neurons

Pictograms

Skull and crossbones

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Storage Class Code

6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

More documents

Quotes and Ordering

Proton magnetic resonance study of the structure of barium chloride dihydrate.
Silvidi AA and McGrath JW.
J. Chem. Phys. , 32(3), 924-926 (1960)
Evaluating the performance of peroxide and conjugated diene values in monitoring quality of used frying oils.
Farhoosh R and Moosavi SMR.
Journal of Agriculture, Science and Technology, 11, 173-179 (2010)
Barium chloride dihydrate by neutron diffraction.
Padmanabhan VM, et al.
Acta Crystallographica Section B, Structural Science, Crystal Engineering and Materials, 34(7), 2290-2292 (1978)
Evaluation of quality changes in walnut kernels (Juglans regia L.) by Vis/NIR spectroscopy.
Jensen PN, et al.
Journal of Agricultural and Food Chemistry, 49(12), 5790-5796 (2001)
Eagleson M.
Concise Encyclopedia Chemistry, 116-116 (1994)

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