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Merck
CN

217565

Sigma-Aldrich

氯化钡 二水合物

ACS reagent, ≥99%

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About This Item

经验公式(希尔记法):
BaCl2 · 2H2O
CAS号:
分子量:
244.26
EC 号:
MDL编号:
UNSPSC代码:
12352302
PubChem化学物质编号:
NACRES:
NB.24
方案:
≥99%
等级:
ACS reagent
表单:
powder, crystals or chunks

等级

ACS reagent

质量水平

方案

≥99%

表单

powder, crystals or chunks

杂质

≤0.005% insolubles
≤0.005% oxidizers

缺失

14.0-16.0% loss on drying

pH值(酸碱度)

5.2-8.2 (25 °C, 5%)

痕量阳离子

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

SMILES字符串

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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应用

二水氯化钡已用于:
  • 在膜片钳电生理研究中抑制亚阈值活化钾通道
  • 作为内向整流钾(Kir)通道阻断剂,通过检测ATP注射后电压斜升(voltage ramp)刺激下的小胶质细胞膜电流以研究通道作用
  • 配制人造脑脊液(aCSF)制备用储液

生化/生理作用

氯化钡可用作钾离子钠通道阻滞剂。具有毒性。氯化钡可抑制D2样受体介导脊髓中枢模式发生器(CPG)神经元的超极化。

象形图

Skull and crossbones

警示用语:

Danger

危险声明

危险分类

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

储存分类代码

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

法规信息

危险化学品

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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