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Merck
CN

943037

氢氧化钴(II)

battery grade, ≥99.9% trace metals basis (≤ 1000 ppm)

别名:

Cobalt dihydroxide, Cobalt(2+) hydroxide, Cobaltous hydroxide

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线性分子式:
Co(OH)2
化学文摘社编号:
分子量:
92.95
MDL number:
NACRES:
NA.21
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InChI key

ASKVAEGIVYSGNY-UHFFFAOYSA-L

InChI

1S/Co.2H2O/h;2*1H2/q+2;;/p-2

SMILES string

O[Co]O

grade

battery grade

assay

iodine (I) basis (titration), ≥99.9% trace metals basis (≤ 1000 ppm)

form

powder or crystals

solubility

water: soluble

density

3.597 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤ 50 ppm, nitrate (NO3-): ≤50 ppm, <50 ppm (Insoluble acid)

cation traces

Cu: ≤50 ppm, Fe: ≤50 ppm, Mn: ≤50 ppm, Ni: ≤50  ppm, Pb: ≤50 ppm, Zn: ≤50 ppm

Quality Level

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General description

Cobalt(II) hydroxide, also known as cobaltous hydroxide, is an inorganic compound with the chemical formula Co(OH)2. It typically appears as a pink to red powder or crystalline solid. We offer Cobalt(II) hydroxide, battery grade with high purity of ≥99.9%, and controlled low impurities such as Chloride ≤ 50 ppm, NO3 <50 ppm, Acid insoluble<50 ppm. With very low water content of <2%, the product is ideal for research areas in rechargeable batteries, supercapacitors.

Application

Cobalt(II) hydroxide, battery grade, with a purity of ≥99.9% trace metals basis, is a high-purity material used in several advanced applications, particularly in the energy storage and battery industries. It can be used for research areas to design supercapacitors and alkaline zinc ion batteries; as it is a promising electrode material due its high capacitance and long cyclability. [,] It is also used as a precursor for designing cathode materials in Lithium–sulfur (Li-S) batteries. In a study it has been found that double-shelled nanocages with two shells of cobalt hydroxide and layered double hydroxides (CH@LDH) designed for a Li-S battery, significantly improved the electrochemical performance.] Due to its redox properties, cobalt(II) hydroxide is employed as a precursor for the preparation of cobalt-based catalysts. These catalysts are used in various industrial processes, including the synthesis of fine chemicals, petrochemical refining, and environmental remediation. Cobalt(II) hydroxide is used in the production of soft magnetic materials, which are employed in electronic devices, sensors, and other applications requiring efficient magnetic properties.

Features and Benefits

Cobalt(II) hydroxide, battery grade, is engineered with tightly controlled low impurities and minimal water content, making it ideal for battery research applications. With a purity of ≥99.9% and minimal trace metal impurities, the product is ideal for use in sensitive processes where contamination must be strictly controlled.

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Danger

Hazard Classifications

Acute Tox. 1 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 2 - Carc. 1B - Eye Irrit. 2 - Repr. 1B - Resp. Sens. 1B - Skin Sens. 1

存储类别

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

法规信息

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分析证书(COA)

Lot/Batch Number

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Atomic-level energy storage mechanism of cobalt hydroxide electrode for pseudocapacitors
Deng T,et.al
Nature Communications (2017)
Electrochemical studies of cobalt hydroxide ? an additive for nickel electrodes
Elumalai P,et.al
Journal of Power Sources, 93, 201-208 (2001)
An Electrochemically Prepared Mixed Phase of Cobalt Hydroxide/Oxyhydroxide as a Cathode for Aqueous Zinc Ion Batteries
Li F,et.al
Inorganics , 11, 400-400 (2023)
Double-Shelled Nanocages with Cobalt Hydroxide Inner Shell and Layered Double Hydroxides Outer Shell as High-Efficiency Polysulfide Mediator for Lithium?Sulfur Batteries
Zhang H,et.al
Angewandte Chemie (International ed. in English), 55, 3982-3982 (2016)
Humidity sensor based on cobalt Chloride/Cellulose Filter-Paper for respiration monitoring
Kan Y,et.al
Journal of Electroanalytical Chemistry, 895, 115423-115423 (2021)

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