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Merck
CN

217565

氯化钡 二水合物

ACS reagent, ≥99%

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关于此项目

经验公式(希尔记法):
BaCl2 · 2H2O
化学文摘社编号:
分子量:
244.26
NACRES:
NB.24
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
233-788-1
MDL number:
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产品名称

氯化钡 二水合物, ACS reagent, ≥99%

InChI key

PWHCIQQGOQTFAE-UHFFFAOYSA-L

InChI

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

SMILES string

O.O.Cl[Ba]Cl

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)

Quality Level

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Application

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

Biochem/physiol Actions

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。

pictograms

Skull and crossbones

signalword

Danger

Hazard Classifications

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

存储类别

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

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

法规信息

危险化学品
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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Proton magnetic resonance study of the structure of barium chloride dihydrate.
Silvidi AA and McGrath JW.
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Evaluating the performance of peroxide and conjugated diene values in monitoring quality of used frying oils.
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Jensen PN, et al.
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