P3911
Cloruro de potasio
ACS reagent, 99.0-100.5%
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Fórmula lineal:
KCl
Número CAS:
Peso molecular:
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))
Servicio técnico
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ACS reagent
Quality Level
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 )
SMILES string
[Cl-].[K+]
InChI
1S/ClH.K/h1H;/q;+1/p-1
InChI key
WCUXLLCKKVVCTQ-UHFFFAOYSA-M
General description
Potassium chloride is an inorganic salt commonly used in fertilizer industry. Its generation via chlorination of microcline has been reported. The intrinsic and extrinsic conductivity of KCl crystals have been measured. The impact of KCl on the activity of mitochondrial membrane, cristae and matrix proteins has been investigated. It facilitates the preparation of isoxazolines in aqueous medium.
Application
Potassium chloride has been used in the preparation of the following:
- Amorphous calcium phosphate (ACP) deposition solution, used for ACP coating on Ti coupons.
- Modified methylene blue (MB) solution, utilized in the MB two-phase titration method.
- 4-(2-Hydroxyethyl)-1-piperazineethanesulfonic acid (HEPES)-containing artificial cerebrospinal fluid (ACSF) solutions.
- Artificial sea water.
Puede utilizarse para la preparación de disolución salina tamponada con fosfato y para la extracción y solubilización de proteínas.
Other Notes
Legal Information
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
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Clase de almacenamiento
13 - Non Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
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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)
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)
Electrical Conductivity of Potassium Chloride.
Fuller RG, et al.
Physical Review Letters, 20(13), 662-662 (1968)