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Merck
CN

746436

氯化钾

anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥99%

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关于此项目

线性分子式:
KCl
化学文摘社编号:
7447-40-7
分子量:
74.55
NACRES:
NA.21
PubChem Substance ID:
329765767
UNSPSC Code:
12352302
EC Number:
231-211-8
MDL number:
MFCD00011360
Assay:
≥99%
Grade:
ACS reagent
anhydrous
Form:
powder
Solubility:
water: soluble ((355 g/l at 25 °C (77 °F))

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产品名称

氯化钾, anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥99%

InChI key

WCUXLLCKKVVCTQ-UHFFFAOYSA-M

InChI

1S/ClH.K/h1H;/q;+1/p-1

SMILES string

[Cl-].[K+]

grade

ACS reagent
anhydrous

product line

Redi-Dri™

assay

≥99%

form

powder

quality

free-flowing

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 (as Pb): ≤5 ppm

Quality Level

100

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相关类别

Application

可用于磷酸盐缓冲液制备，以及蛋白提取和溶解。
氯化钾可用于制备磷酸盐生理缓冲液以及萃取和增溶蛋白质。

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。
  • 改良亚甲蓝(MB)溶液，用于亚甲蓝两相滴定法
  • 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

Features and Benefits

  • 提高效率——免除需要松散硬化粉末的时间和精力
  • 更加安全——避免使用工具大力敲碎团块的风险
  • 更加经济——制备和溶剂化速度更快，提高效率并节约成本
  • 质量保证——经过专业检测的出色品质，无抗结剂添加
  • 灵活的用量选择——有从研究到放大级别的用量规格可供选择

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。

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

存储类别

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
0000425940
0000425941
0000425939
0000343991
0000280167

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Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

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