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Potassium chloride_Molecular_structure_CAS_7447-40-7)
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Potassium chloride

Catalog No. 60128 Name Sigma Aldrich
CAS Number 7447-40-7 Website http://www.sigmaaldrich.com
M. F. ClK Telephone 1-800-521-8956
M. W. 74.5513 Fax
Purity ≥99.5% (AT) Email
Storage Chembase ID: 641

SYNONYMS

Title
氯化钾
IUPAC name
potassium chloride
IUPAC Traditional name
potassium chloride

DATABASE IDS

EC Number 231-211-8
CAS Number 7447-40-7
MDL Number MFCD00011360
PubChem SID 24881794

PROPERTIES

Antion Traces bromide (Br-): ≤500 mg/kg
Antion Traces iodide (I-): ≤20 mg/kg
Antion Traces phosphate (PO43-): ≤5 mg/kg
Antion Traces sulfate (SO42-): ≤30 mg/kg
Cation Traces Al: ≤5 mg/kg
Cation Traces As: ≤0.1 mg/kg
Cation Traces Ba: ≤10 mg/kg
Cation Traces Bi: ≤5 mg/kg
Cation Traces Ca: ≤50 mg/kg
Cation Traces Cd: ≤5 mg/kg
Cation Traces Co: ≤5 mg/kg
Cation Traces Cr: ≤5 mg/kg
Cation Traces Cu: ≤5 mg/kg
Cation Traces Fe: ≤2 mg/kg
Cation Traces Li: ≤5 mg/kg
Cation Traces Mg: ≤10 mg/kg
Cation Traces Mn: ≤5 mg/kg
Cation Traces Mo: ≤5 mg/kg
Cation Traces Na: ≤200 mg/kg
Cation Traces Ni: ≤5 mg/kg
Cation Traces Pb: ≤5 mg/kg
Cation Traces Sr: ≤5 mg/kg
Cation Traces Zn: ≤5 mg/kg
Grade for molecular biology
Impurities DNases, none detected
Impurities RNases, none detected
Impurities insoluble matter, passes filter test
Impurities phosphatases, none detected
Impurities proteases, none detected
Impurities ≤0.001% total nitrogen (N)
λ 1 M in H2O
Linear Formula KCl
Loss on Drying ≤0.2% loss on drying, 110 °C
Product Line BioUltra
Purity ≥99.5% (AT)
Absorption Wavelength λ: 260 nm Amax: 0.01
Absorption Wavelength λ: 280 nm Amax: 0.01
Density 1.98 g/mL at 25 °C(lit.)
Melting Point 770 °C(lit.)
pH 5.0-8.0 (25 °C, 1 M in H2O)
Solubility H2O: soluble1 M at 20 °C, clear, colorless
MSDS Link Download
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
RTECS TS8050000
German water hazard class 1

DETAILS

Description (English)
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 replication1
Description (简体中文)
Application
可用于制备磷酸盐生理缓冲液以及萃取和增溶蛋白质。
Other Notes
In DpnI/MboI assay for detection of methylation changes in DNA replication1

REFERENCES