P3911
氯化钾
ACS reagent, 99.0-100.5%
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关于此项目
线性分子式:
KCl
化学文摘社编号:
分子量:
74.55
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-211-8
MDL number:
Assay:
99.0-100.5%
Grade:
ACS reagent
Form:
powder
Solubility:
water: soluble (355 g/l at 25 °C (77 °F))
grade
ACS reagent
Quality Level
assay
99.0-100.5%
form
powder
impurities
≤0.005% Insoluble matter
pH
5.4-8.6 (25 °C, 5% in solution)
mp
770 °C (lit.)
solubility
water: soluble (355 g/l at 25 °C (77 °F))
density
1.98 g/mL at 25 °C (lit.)
anion traces
bromide (Br-): ≤0.01%, chlorate, nitrate (as NO3-): ≤0.003%, iodide (I-): ≤0.002%, phosphate (PO43-): ≤5 ppm, sulfate (SO42-): ≤0.001%
cation traces
Ba:, passes test (limit about 0.001%), Ca: ≤0.002%, Fe: ≤3 ppm, Mg: ≤0.001%, Na: ≤0.005%, heavy metals: ≤5 ppm (by ICP-OES )
SMILES string
[Cl-].[K+]
InChI
1S/ClH.K/h1H;/q;+1/p-1
InChI key
WCUXLLCKKVVCTQ-UHFFFAOYSA-M
General description
氯化钾是一种无机盐，常用于化肥工业。据报道，它是通过对微斜长石进行氯化而得。KCl晶体的本征导电性和非本征导电性已经测定。研究了KCl对线粒体膜、嵴和基质蛋白活性的影响。它有助于在水性介质中制备异恶唑啉。
Application
氯化钾可用于制备以下物质：
- 无定形磷酸钙（ACP）沉积溶液，用于Ti试片上的ACP涂层。
- 改性亚甲基蓝（MB）溶液，用于MB两相滴定法。
- 含4-(2-羟乙基)-1-哌嗪乙磺酸（HEPES）的人工脑脊液（ACSF）溶液。
- 人造海水。
可用于磷酸盐缓冲液制备，以及蛋白提取和溶解。
Other Notes
Legal Information
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
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存储类别
13 - Non Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable