u General Description: Zinc Pyrithione is an insoluble white solid
that is sold either as a dry powder, or as an aqueous dispersion
for industrial and personal care applications. Zinc Pyrithione is
registered by the U.S. EPA under the Federal Insecticide,
Fungicide, and Rodenticide Act and supported in Europe under the
Biocidal Products Directive.
Alias: 1-hydroxypyridine-2-thione zinc
Molecular formula:C10H8N2O2S2Zn
ZPT Structural formula:
Hazardous class: 6.1
Molecular weight:317.68
CAS NO.: 13463-41-7
EINECS NO. :236-671-3
Packing Group: III
HS : 2933399010
SOLID UN NO.:2811.
Hazard Symbols: XI, Risk Phrases: 36/37/38, Safety Phrases: 24/25
1. Zinc Pyrithione 98% powder Specs:
APPEARANCE :White to off white color
Identity ( by IR) : Conforms
ASSAY ≥98%
MELTING POINT ≥240℃
PH(5%solution) 6.5-8.5
LOD : NMT 0.5%
Particle size : D70<5 micron; D100<12 micron
- Zinc Pyrithione 48-50% Aqueous Suspension Specs:
Identity ( by IR) : Conforms
Appearance :Aqueous Suspension of White or Creamy Color
Assay, % 48.0～50.0
Zinc, % 9.3～11.3
pH 6.5～8.0
Particle size D90,μm≤0.5
Particle size D100,μm ≤1.5
Heavy metals(as Pb), ppm≤20
Aerobic Plate Count, <100cfu/g
3. Zinc Pyrithione 48-50% Ultrafine Particle Size
Appearance:Aqueous Suspension of White or Creamy Color
Assay, % 48.0～50.0
Zinc, % 9.8～11.3
pH ( 5% Slurry in pH 7 water ) 6.5～8.5
Particle size D50,μm :0.25～0.45
Particle size D100,μm ≤1.0
Aerobic Plate Count <100cfu/g
Packaging: Solid: 25KG net each cardboard drum, 5MT /20’FCL,with
pallet or without pallet
9MT if use 25KG net square cardboard barrel per 20'FCL.
7.2MT if use 20 kg net square cardboard barrel per 20’FCL.
Suspension: 25kg drum or 250 kg drum
Safety Data:
① LD 50 acute oral is over 1000mg/kg.
② It has no irritation to skin.
③ Experiment of “3-genesis”is negative.
u Applications. Zinc Pyrithione is an antimicrobial and is used around the world
in a variety of applications, including antifouling paints,
building products, plastics, polyurethane products, textiles and
antidandruff shampoos. It is also used as a preservative in
personal care products, used in building products, plastics and
polyurethane products, as well as biocide in textiles.
u
Antiseptic and mould proofing effects:
This product can restrain and sterilize eight moulds, five bacteria
as well as two yeast fungis which are distillery yeast and bakers’
yeast.
| Microorganisms name | MIC (PPM) | Microorganisms name | MIC (PPM) | Microorganisms name | MIC (PPM) |
| Aspergillus niger | 18 | Cladosporium herbarum | 4 | Escherichia coli | 20 |
| Aspergillus flavus | 16 | Trichoderma viride | 6 | Pseudomonas fluorescens | 6 |
| Aspergillus versicolor | 14 | Chaetomium globasum | 4 | Staphylococcus aureus | 8 |
| Penicillium citrinim | 8 | Bacillus subtilis | 4 | Saccharomyces cereuisiae | 4 |
| Pacilomyces varioti | 6 | acillus megaterium | 6 | Klocckeria Janke | 5 |
Its MIC to various micro-organisms is as follows:
ZPT is a superordinary anti-scale agent and anti-lipid overflow
agent. It can effectively eliminate eumycete which produces
dandruff, and result in relieving itching, removing dandruff,
diminishing phalacrosis and deferring poliosis. Therefore, it is
considered as a highly effective and safe product. It will add the
value of
shampoo and meet the high demands from consumers. For this reason,
ZPT is widely used in the production of shampoo. Moreover, as a
fine, broad-spectrum, environment -friendly and low toxic
antiseptics, it can be used in civil coating, adhesive and carpet.
The mixture of
ZPT and Cu2O also can be used as marine antifouling coating to prevent
adhering of shells, seaweeds and aquatic organisms to hulls.
ZPT and its relative products enjoy tremendous potential and broad
space in pesticide field with properties of highly
efficiency,environmental protection, hypotoxicity and
broad-spectrum.
Stability: remain stable for 2 years, avoiding light .
Storage :In cool places, avoiding light
