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Merck
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31248

Sigma-Aldrich

Potassium chloride

puriss. p.a., reag. ISO, reag. Ph. Eur., 99.5-100.5%

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About This Item

Linear Formula:
KCl
CAS Number:
7447-40-7
Molecular Weight:
74.55
EC Number:
231-211-8
MDL number:
MFCD00011360
UNSPSC 코드:
12352302
PubChem Substance ID:
329753698
NACRES:
NA.21

Agency

USP/NF
reag. ISO
reag. Ph. Eur.

grade

puriss. p.a.

분석

99.5-100.5%

형태

crystalline powder

불순물

acidic or alkalic reac. substances, complies
≤0.0005% heavy metals (as Pb)
≤0.001% total nitrogen (N)
≤0.003% free acid (as HCl)
≤0.003% free alkali (as KOH)
≤0.005% water insolubles

손실

≤0.2% loss on drying, 130 °C

pH

5-8 (20 °C, 5%)

mp

770 °C (lit.)

density

1.98 g/mL at 25 °C (lit.)

음이온 미량물

bromide (Br-): ≤100 mg/kg
iodide (I-): ≤20 mg/kg
phosphate (PO43-): ≤5 mg/kg
sulfate (SO42-): ≤20 mg/kg

양이온 미량물

Al: ≤1 mg/kg
Ba: ≤10 mg/kg
Ca: ≤10 mg/kg
Fe: ≤2 mg/kg
Mg: ≤5 mg/kg
Na: ≤200 mg/kg

적합성

corresponds for appearance of solution

SMILES string

[Cl-].[K+]

InChI

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

InChI key

WCUXLLCKKVVCTQ-UHFFFAOYSA-M

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애플리케이션

May be used for the preparation of phosphate buffered saline, and for the extraction and solubilization of proteins.

포장

This product is also available in glass bottles.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

시험 성적서(COA)

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Potassium chloride powder, BioReagent, suitable for cell culture, suitable for insect cell culture, ≥99.0%

Sigma-Aldrich

P5405

Potassium chloride

H Fukada et al.
Proteins, 33(2), 159-166 (1998-10-21)
Enthalpy and heat capacity changes for the deprotonation of 18 buffers were calorimetrically determined in 0.1 M potassium chloride at temperatures ranging from 5 to 45 degrees C. The values of the dissociation constant were also determined by means of
The use of potassium chloride and tris (hydroxymethyl) aminomethane as standard substances for solution calorimetry.
Rychly R and Pekarek V.
The Journal of Chemical Thermodynamics, 9(4), 391-396 (1977)
Yuanyuan Qu et al.
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