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Yttrium Sulfide Powder Y2S3, CAS No 12039-19-9

Yttrium Sulfide Powder Y2S3, CAS No 12039-19-9

Yttrium Sulfide Powder (Y2S3) is an inorganic compound with the chemical formula Y2S3 and CAS number 12039-19-9. It is a white to light-yellow powder with a high melting point of 2030°C.


Compound Formula S3Y2
Molecular Weight 274.01
Appearance yellow cubic crystals
Melting Point 1,925° C (3,497° F)
Boiling Point N/A
Density 3.87 g/cm3
Solubility in H2O N/A
Exact Mass 273.727908
Monoisotopic Mass 273.727908


Yttrium sulfide has various applications such as a precursor to produce yttrium oxide, a luminescent material in fluorescent lamps, and as a component in cathode-ray tubes. Additionally, it can also be used as a semiconductor material in electronics, as a catalyst in chemical reactions, and as a coating material for surfaces to improve their durability and resistance to wear and corrosion.

Yttrium sulfide has potential use in solar energy conversion, particularly as a photocatalyst. It has been shown to have a high photocatalytic activity for hydrogen evolution under visible light irradiation, making it a promising material for energy conversion applications.

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