Cobalt Sulphide Nanoparticles (CoxSy, Purity: 99.9%)

High Purity Cobalt Sulphide Nanoparticles

Product Cobalt Sulphide Nanoparticles (CoxSy, Purity: 99.9%)

Quality Control: Each lot of Cobalt Sulphide Nanoparticles was tested successfully.

SEM Analysis of Cobalt Sulphide

SEM Analysis of Cobalt Sulphide Nanoparticles

Size Analysis of Cobalt Sulphide

Size Analysis of Cobalt Sulphide Nanoparticles

Materials Cobalt Sulphide Nanoparticles
Stock No NS6130-12-000250
CAS 1317-42-6 Confirm
APS 80-100 nm Confirm
Purity 99.9% Confirm
Appearance Black Powder Confirm
Molecular Formula CoS Confirm
Density 5.45 g/cm³ Confirm
Molecular Weight 90.9982 g/mol Confirm
Melting Point 1195 °C Confirm
Crystallographic Structure Octahedral Confirm
Solubility in Water 0.00038 g/100 mL (18°C) Confirm
Solubility Slightly Soluble in Acid Confirm
Available Quantities 25Gms, 50Gms, 100Gms and larger quantities
Main Inspect Verifier Manager QC

Typical Chemical Analysis-%

CoS ≥ 98.0 %
Co ≤ 21 %
Cl ≤ 0.05 %
Fe ≤ 0.005 %
Cu ≤ 0.005 %
Mn ≤ 0.02 %
Na ≤ 0.05 %
Ni ≤ 0.1 %
Zn ≤ 0.02 %

Experts Review:

58496396Dr. Bruce Perrault, Ph.D (Georgia Institute of Technology (Georgia Tech), USA)
Cobalt Sulphide Nanoparticles precipitate when aqueous solutions of cobalt(II) ions are treated with hydrogen sulfide.
This reaction is useful in the purification of cobalt from its ores as well as in qualitative inorganic analysis. The sulfides of cobalt are black, semiconducting, insoluble in water, and nonstoichiometric. They react with strong acids to release hydrogen sulfide gas again. They are weak reducing agents and can be oxidized to cobalt sulfate.


1252525Dr. Myron Rubenstein, Ph.D (Polytechnic University of Turin, Italy)
Cobalt Sulphide Nanoparticles is a moderately water and acid soluble Cobalt source for uses compatible with sulfates.
Sulfate compounds are salts or esters of sulfuric acid formed by replacing one or both of the hydrogens with a metal. Most metal sulfate compounds are readily soluble in water for uses such as water treatment, unlike fluorides and oxides which tend to be insoluble. Organ metallic forms are soluble in organic solutions and sometimes in both aqueous and organic solutions. Metallic ions can also be dispersed utilizing suspended or coated nanoparticles and deposited utilizing sputtering targets and evaporation materials for uses such as solar energy materials and fuel cells.


2536582Dr. Huojin Chan (University of Science and Technology of China, Hefei, Anhui, China)
Cobalt Sulphide Nanoparticles is fairiy complex containing Co4S3, Co9S8, CoS, C3Os4 & CoS2 phases. CoS nanocrysyals  are grows on grapheme hydrpthermally  starting with thioacetatamide as the sulfur sourcefor supercapactior application. High electrical conductivity is many cobalt sulfide phase has made these materials ideal for many energy devices like dye sensitizedb solar cells (DSC), Li-batteries & supercapactiors.


10604509_1459864657612760_2405225879143508610_oDr. Ms. Yi Yen Shi, (King Mongkut’s University of Technology Thonburi,Bangkok, Thailand)
Cobalt Sulphide Nanoparticles heptahydrate is available from several companies as pink-to-dark-red crystals in purities of 90- 100% . red-pink crystals contains a minimum of 20.8% cobalt and small amounts of impurities (iron, 0.005% max; copper, 0.002% max; water insolubles, 0.05%).
The monohydrate is available as pink-to-red crystals with a minimum of 33% cobalt and with small amounts of impurities (iron, 0.007% max; copper, 0.003% max; water insolubles, 0.1% max; Shepherd), and with a purity of 100%. Cobalt sulfate is also available commercially as a rose-to-dark-red aqueous solution containing approximately 8% cobalt.


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