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))
产品名称
氯化钾, ACS reagent, 99.0-100.5%
InChI key
WCUXLLCKKVVCTQ-UHFFFAOYSA-M
InChI
1S/ClH.K/h1H;/q;+1/p-1
SMILES string
[Cl-].[K+]
grade
ACS reagent
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 )
Quality Level
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Application
可用于磷酸盐缓冲液制备，以及蛋白提取和溶解。
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。
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。
Other Notes
Legal Information
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
存储类别
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Comparison of titanium soaked in 5M NaOH or 5M KOH solutions.
Kim C, et al.
Materials Science and Engineering, C, 33(1), 327-339 (2013)
Stability of stearic acid monolayers on Artificial Sea Water.
Brzozowska AM, et al.
Colloids and Surfaces. A, Physicochemical and Engineering Aspects, 407, 38-48 (2012)
Electrical Conductivity of Potassium Chloride.
Fuller RG, et al.
Physical Review Letters, 20(13), 662-662 (1968)
Suman Mishra et al.
International journal of proteomics, 2015, 647408-647408 (2016-01-20)
Potassium chloride (KCl) has been commonly used in homogenization buffer and procedures of protein extraction. It is known to facilitate release of membrane-associated molecules but the higher concentration of KCl may affect the integrity of mitochondria by breaching the electrostatic
Potassium chloride production by microcline chlorination.
Orosco P and del Carmen Ruiz M.
Thermochimica Acta, 613, 108-112 (2015)
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