Selenium Sulfide

Appearance: This product is an orange yellow to orange red powder; Slightly hydrogen sulfide has a strong odor.
Solubility: This product is almost insoluble in water or organic solvents.
Soluble selenides: not exceeding 0.0005%.
Burning residue: not exceeding 0.2%.
Content: The selenium (Se) content of this product should be between 52.0% and 55.5%.