Sodium Pyrithione （CAS NO.:3811-73-2）

Molecular formula:C5H4NOSNa

Molecular weight:149.16

Stability: 2 years, avoid light

Storage: In cool place, avoid sunlight

(1) Sodium Pyrithione （SPT）

Industrial Grade (liquid)Spec.

APPEARANCE ：Pale amber liquid and free of sediment

ASSAY ≥40%

PH(5%solution)： 8.5-10.5

REFRACTIVE INDEX  ：1.4770-1.4870

(2)  solid

sodium pyrithione 

APPEARANCE Almost white powder

ASSAY(dry base) 98%min

lost on drying≤5%

PH(5%solution)    8.0-9.0