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Key Documents

60128

Sigma-Aldrich

Potassium chloride

BioUltra, Molecular Biology, ≥99.5% (AT)

Synonym(s):

KCl

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About This Item

Linear Formula:
KCl
CAS Number:
Molecular Weight:
74.55
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.26
grade:
Molecular Biology
form:
solid
solubility:
H2O: 1 M at 20 °C, clear, colorless

grade

Molecular Biology

Quality Level

product line

BioUltra

Assay

≥99.5% (AT)

form

solid

impurities

DNases, none detected
RNases, none detected
insoluble matter, passes filter test
phosphatases, none detected
proteases, none detected
≤0.001% total nitrogen (N)

loss

≤0.2% loss on drying, 110 °C

pH

5.0-8.0 (25 °C, 1 M in H2O)

mp

770 °C (lit.)

solubility

H2O: 1 M at 20 °C, clear, colorless

density

1.98 g/mL at 25 °C (lit.)

anion traces

bromide (Br-): ≤700 mg/kg
iodide (I-): ≤20 mg/kg
phosphate (PO43-): ≤5 mg/kg
sulfate (SO42-): ≤30 mg/kg

cation traces

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤10 mg/kg
Bi: ≤5 mg/kg
Ca: ≤50 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤2 mg/kg
Li: ≤5 mg/kg
Mg: ≤10 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤200 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

1 M in H2O

SMILES string

[Cl-].[K+]

UV absorption

λ: 260 nm Amax: 0.01
λ: 280 nm Amax: 0.01

InChI

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

InChI key

WCUXLLCKKVVCTQ-UHFFFAOYSA-M

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Application

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

Other Notes

In DpnI/MboI assay for detection of methylation changes in DNA replication

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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