We are offering zinc pyrithione. Product specifications:- composition: micronised powder of zinc pyrithione ( zinc 2 -pyridinethiol-1-oxide) appearance : off white to beige coloured powder odour: nearly odourless to mild zinc pyrithione 97% min density 1.8106 at 22.5â°c solubility: sparingly soluble in water 4.93 m g l -1 at 20.0â°c ; 6.11 m g l-1 a t 30 .0 â°c, slightly improved solubility in organic solvents stability in product light stable, stable in the ph range 3 â��