Zinc Pyrithione (ZPT)

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. Specs:

APPEARANCE :White to off white color

Identity ( by IR)  : Conforms

ASSAY            ≥97%

MELTING POINT    ≥240℃

PH(5%solution)      6.5-8.5

LOD : NMT 0.5%

Particle size :   D70<7micron; D100<20 micron

2. Specs:

APPEARANCE :White to off white color

Identity ( by IR)  : Conforms

ASSAY            ≥97%

MELTING POINT    ≥240℃

PH(5%solution)      6.5-8.5

LOD : NMT 0.5%

Particle size :   D70<5 micron; D100<12 micron

Packaging:

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.

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.

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.

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



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