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:
Assay:
≥99%
Grade:
ACS reagent
Form:
powder, crystals or chunks
grade
ACS reagent
Quality Segment
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
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。
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signalword
Danger
hcodes
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