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217565

Sigma-Aldrich

Barium chloride dihydrate

ACS reagent, ≥99%

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

grade

ACS reagent

Quality Level

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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1 of 4

This Item
311255295911.01719
Barium chloride dihydrate ACS reagent, ≥99%

217565

Barium chloride dihydrate

Essential Grade
Barium chloride dihydrate puriss. p.a. plus, ACS reagent, reag. ISO, reag. Ph. Eur., ≥99%

31125

Barium chloride dihydrate

Essential Grade
Barium chloride dihydrate ≥99.999% trace metals basis

529591

Barium chloride dihydrate

-
Barium chloride dihydrate for analysis EMSURE® ACS,ISO,Reag. Ph Eur

1.01719

Barium chloride dihydrate

-
assay

≥99%

assay

≥99%

assay

≥99.999% trace metals basis

assay

≥99.0% (complexometric)

grade

ACS reagent

grade

ACS reagent, puriss. p.a. plus

grade

-

grade

ACS reagent

impurities

≤0.005% insolubles, ≤0.005% oxidizers

impurities

≤0.002% total nitrogen (N)

impurities

≤10.0 ppm Trace Metal Analysis

impurities

≤0.005% Insoluble matter, ≤0.005% Oxidizing Substances (as NO3)

cation traces

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

cation traces

Ca: ≤50 mg/kg, Fe: ≤1 mg/kg, K: ≤25 mg/kg, Mg: ≤10 mg/kg, Na: ≤50 mg/kg, Sr: ≤100 mg/kg, heavy metals: ≤5 ppm (by ICP-OES)

cation traces

-

cation traces

Ca: ≤0.005%, Fe: ≤0.0001%, K: ≤0.0025%, N: ≤0.002%, Na: ≤0.005%, Pb: ≤0.001%, Sr: ≤0.05%, heavy metals: ≤0.0005%

pH

5.2-8.2 (25 °C, 5%)

pH

5.2-8.0 (25 °C, 5%)

pH

-

pH

5.2-8.0 (25 °C, 50 g/L in H2O)

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)

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


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