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931950

Sigma-Aldrich

Sodium perchlorate

anhydrous, ≥99.9% trace metals basis

Sinónimos:

Sodium Perchlorate, Hyperchloric acid sodium salt

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About This Item

Fórmula empírica (notación de Hill):
ClNaO4
Número de CAS:
7601-89-0
Peso molecular:
122.44
MDL number:
MFCD00003480
UNSPSC Code:
12352302
NACRES:
NA.23

grade

anhydrous
battery grade

Quality Level

100

assay

≥99.9% trace metals basis

form

powder

impurities

≤1000 ppm (trace metals analysis)

pH

6.0-8.0 (25 °C, 5%, aq.sol.)

mp

482 °C

solubility

H2O: 209 g/dL at 15 °C

anion traces

chloride (Cl-): ≤30 ppm
sulfate (SO42-): ≤20 ppm

cation traces

Fe: ≤5 ppm
K: ≤500 ppm

application(s)

battery manufacturing

InChI

1S/ClHO4.Na/c2-1(3,4)5;/h(H,2,3,4,5);/q;+1/p-1

InChI key

BAZAXWOYCMUHIX-UHFFFAOYSA-M

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General description

Anhydrous sodium perchlorate is a white crystalline solid. It is hygroscopic and absorbs water to form its monohydrate. Anhydrous sodium perchlorate is highly soluble in water, and soluble in a range of polar organic solvents such as methanol, ethanol, acetone, carbonates (including ethylene carbonate, dimethyl carbonate, propylene carbonate, and diethyl carbonate), and ethers (including dimethoxyethane, tetrahydrofuran, and triethylene glycol dimethyl ether). It is insoluble in benzene, chloroform, and toluene.

Application

The major application of anhydrous sodium perchlorate is as an electrolyte in sodium-ion batteries. It is popular because of its solubility in ethers and carbonates, its wide electrochemical stability window (e.g. from 0 to 5 V vs Na+/Na in propylene carbonate, triglyme, or diethylcarbonate)[1], and its compatibility with a wide range of materials. It has been used in batteries with hard-carbon anodes[2], mesoporous carbon anodes[3], sodium cobalt oxide cathodes (NaxCoO2)[4], sodium vanadium oxide cathodes (NaxVO2)[5], titanium dioxide cathodes[6], and emerging materials like high-entropy layered oxide cathodes[7].

Packaging

10 g in glass bottle
25 g in glass bottle

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Ox. Sol. 1 - STOT RE 2

target_organs

Thyroid

Storage Class

5.1A - Strongly oxidizing hazardous materials

wgk_germany

WGK 1

Certificados de análisis (COA)

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In search of an optimized electrolyte for Na-ion batteries
Ponrouch, A., et al.
Energy & Environmental Science, 5, 8572-8583 (2012)
Electrochemical Na Insertion and Solid Electrolyte Interphase for Hard-Carbon Electrodes and Application to Na-Ion Batteries.
Komaba, S., et al.
Advances in Functional Materials, 21, 3859-3867 (2011)
Chenglong Zhao et al.
Angewandte Chemie (International ed. in English), 59(1), 264-269 (2019-10-18)
Material innovation on high-performance Na-ion cathodes and the corresponding understanding of structural chemistry still remain a challenge. Herein, we report a new concept of high-entropy strategy to design layered oxide cathodes for Na-ion batteries. An example of layered O3-type NaNi0.12
Gianluca Longoni et al.
Nano letters, 17(2), 992-1000 (2016-12-28)
Rechargeable sodium-ion batteries are becoming a viable alternative to lithium-based technology in energy storage strategies, due to the wide abundance of sodium raw material. In the past decade, this has generated a boom of research interest in such systems. Notwithstanding
Marie Guignard et al.
Nature materials, 12(1), 74-80 (2012-11-13)
Layered oxides are the subject of intense studies either for their properties as electrode materials for high-energy batteries or for their original physical properties due to the strong electronic correlations resulting from their unique structure. Here we present the detailed
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