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Zinc pyrithione

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Zinc pyrithione is a widely used ingredient in cosmetics, personal care, and skincare formulations. Depending on its function, it may serve as a moisturizer, preservative, emulsifier, or active ingredient to enhance the overall effectiveness and performance of a product.

Zinc pyrithione (Wikipedia)

Zinc pyrithione (or pyrithione zinc) is a coordination complex of zinc. It has fungistatic (inhibiting the division of fungal cells) and bacteriostatic (inhibiting bacterial cell division) properties and is used in the treatment of seborrhoeic dermatitis and dandruff.

Zinc pyrithione
Zinc pyrithione dimer
Names
IUPAC name
bis(2-pyridylthio)zinc 1,1'-dioxide
Other names
ZnP, Pyrithione Zinc, Zinc OMADINE, ZnPT
Identifiers
3D model (JSmol)
ChEMBL
ChemSpider
ECHA InfoCard 100.033.324 Edit this at Wikidata
UNII
  • InChI=1/C5H5NOS.Zn/c7-6-4-2-1-3-5(6)8;/h1-4,7H;/q;+2
    Key: YUYSACQNSLQTMI-UHFFFAOYAS
  • monomer: c1cc[n+]2c(c1)S[Zn-2]3(O2)O[n+]4ccccc4S3
  • dimer: [O+]01[n+]2ccccc2S[Zn-3]03(O[n+]4ccccc4S3)[O+]5[n+]6ccccc6S[Zn-3]157O[n+]8ccccc8S7
Properties
C10H8N2O2S2Zn
Molar mass 317.70 g/mol
Appearance colourless solid
Melting point 240 °C (464 °F; 513 K) (decomposition)
Boiling point decomposes
8 ppm (pH 7)
Pharmacology
D11AX12 (WHO)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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