Identification Synonyms ZPT; 2-Mercaptopyridine-1-oxide zinc salt; 2-Pyridinethiol-1-oxide zinc salt; Bis(2-pyridylthio)zinc 1,1'-dioxide; Pyrithione zinc; Zinc 1-hydroxypyridine-2-thione; Zinc 2-mercaptopyridine-N-oxide; Zinc 2-pyridinethiol-1-oxide; ZNPT; De-Squaman; OM-1563; Vancide ZP Molecular Formula 2(C5H4NOS).Zn Molecular Weight 317.69 CAS Number 13463-41-7 EINECS/ELINCS 236-671-3 Structure Properties Appearance White to slight yellow powder or white suspension Solubility in water Insoluble (<0.1 g/100 mL at 21 oC) Stability Stable under ordinary conditions
Specification
Item
Specification 1
Specification 2
Appearance
White to slight yellow powder
White suspension
Assay
97.0% min
48-50%
Melting point
240¡æ min
-
D10
-
0.19¦Ìm min
D50
5¦Ìm max
0.37-0.53¦Ìm
D90
10¦Ìm max
2.0¦Ìm max
PH
6.0-9.0
6.5-8.5
Loss on drying
0.5% max
-
Zinc assay
-
9.3-11.3%
Bacterial
-
100cfu/g max
Application
ZPT-50 is the most important antidandruf agent in the world, which used for more than 30 years in shampoo. ZPT-50 shows excellent inhibiting effect on pytyrosporum ovale that causes dandruff.
ZPT has broad spectrum bactericide and marine antifouling material, and is well used for cosmetic, shampoo, skins medicine, adhesive and coating painting and so on.
