Nanjing Hongzun Chemical Plant Co., Ltd
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Zinc Pyrithione
Nanjing Hongzun Chemical Plant Co., Ltd.

Zinc Pyrithione
Item Index
Appearance White powder
Assay ≥98%
Melting Point ≥240℃
Packing & Storage
Packing in 25kg/fiber drum
Storage 20℃, 2 years.
Shipping Room temperature in China; may vary elsewhere
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General information
Chemical & Physical Properties
Safety Information
Synthetic Route
Common Names Zinc Pyrithione | ZPT | Bis(1-hydroxy-2(IH)-pyridineselonato-O,S)zinc
CAS No. 13463-41-7 Boiling Point (℃) 253.8ºC
Molecular Weight 317.722 Melting Point (℃) 262ºC
Appearance white powder Vapor Specific Gravity 1.782 g/cm3
HS Code 2933990 Flash Point (℃) 107.3ºC
Solubility Insoluble in water Autoignition Temperature (℃)
Safety Phrases S26-S28-S36/37/39-S45
RIDADR UN 2811 6.1/PG 2
WGK Germany 3
Packaging Group III
Hazard Class 6.1(b)
Inhalation Cough. Sore throat. Use local exhaust or breathing protection. Fresh air, rest.
Skin Redness. Burning sensation. Itching. Protective gloves. Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes Redness. Pain. Wear safety goggles. First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Ingestion Abdominal pain. Nausea. Vomiting. Do not eat, drink, or smoke during work. Wash hands before eating. Rinse mouth. Induce vomiting (ONLY IN CONSCIOUS PERSONS!). Refer for medical attention.
Frequently Asked Questions
Uses of Zinc Pyrithione Powder

Zinc pyrithione products are excellent anti-scaling and anti-greasy agents, which can effectively kill the fungi that cause dandruff and relieve itching, remove dandruff, reduce hair loss, and delay gray hair. Zinc pyrithione powder is an efficient and safe anti-itching and anti-dandruff agent. Adding this ingredient to shampoos can improve product quality and meet consumers' high requirements for shampoos. Therefore, ZPT is widely used to produce shampoos for daily chemical products.

As an excellent, broad-spectrum, low-toxic, and environmentally friendly antibacterial agent for fungi and bacteria, ZPT can be widely used in the fields of civil coatings, adhesives and carpets. The compound preparation of ZPT and cuprous oxide can also be used in ship antifouling paint to prevent crustaceans, algae and aquatic organisms from adhering to the hull plate.

ZPT and its similar products have great potential and vast space for application in the field of pesticides due to their high efficiency, environmental protection, low toxicity, and broad-spectrum performance.