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Alias: Dipyrithione; BISPYRITHIONE; 2,2'-Dithiobis (pyridine-N-oxide); 2,2'-disulfanediylbis(pyridine) 1,1'-dioxide
CAS: 3696-28-4
Chemical Molecular Formula: C10H8N2O2S2
Chemical Structural Formula:
Chemical Structural Formula: 252.3054
(1)Content: ≥ 99 %
PH(1%solution): 5.0～7.0
Appearance Off-white Powder
Melting Point: 203～205℃
Dry on loss : 0.5% max
(2)Assay ≥80%
PH(1%solution) 5.0-7.0
Drying Loss≤20%
(3)Appearance Off-white dispersion
Assay(Pyrithione Disulfide) 30.0%± 1
PH value(1% solution) 6.0-8.0
Specific gravity(g/ml@25℃) 1.010-1.300
Total Microbial Count Negative
Application: Broad spectrum, pharmaceutical intermediate, mildewcide for transparent plastic, cosmetic additive, photosensitive material additive, pesticide intermediate and deodorant.; A good substitute for Zinc Pyrithione 48% to be used in shampoo .
Packing: Solid: 25kgs cardboard drum
Dispersion: 25kg plastic drum
Shelf time: stored in cool shady place, 2 years.