copper 2-pyridinethiol-1-oxide
Copper pyrithione
CAS: 154592-20-8;14915-37-8
Molecular Formula: C10H8CuN2O2S2
copper 2-pyridinethiol-1-oxide - Names and Identifiers
copper 2-pyridinethiol-1-oxide - Physico-chemical Properties
| Molecular Formula | C10H8CuN2O2S2 |
| Molar Mass | 315.86 |
| Density | 1.8106 at 22.5°C |
| Melting Point | >256°C (dec.) |
| Boling Point | 253.8℃ at 760 mmHg |
| Solubility | Sparingly soluble in water 4.93 mg l-1 at 20.0°C; 6.11 mg l-1 at 30.0°C, Slightly improved solubility in organic solvents |
| Appearance | Similar to green crystalline fine powder |
| Color | Olive green coloured |
| Odor | Nearly odourless to Mild |
| Storage Condition | -20°C Freezer |
| Stability | Light Stable, stable in the pH range 6-8. |
copper 2-pyridinethiol-1-oxide - Reference
| Reference Show more | 1. [IF=3.228] Tianci Chen et al."Effects of copper pyrithione (CuPT) on apoptosis, ROS production, and gene expression in hemocytes of white shrimp Litopenaeus vannamei."Comp Biochem Phys C. 2022 Jun;256:109323 |
copper 2-pyridinethiol-1-oxide - Reference Information
| Application | pyrithione copper CPT is currently mainly used in antifouling paint, architectural coatings, metal processing, pesticides and other industries. CPT and its similar products with high efficiency, environmental protection, low toxicity, broad-spectrum excellent performance, in the field of pesticide application has great potential. mainly used for ship antifouling paint, architectural coatings, metal processing, pesticides, etc. broad-spectrum bactericide and pollution-free marine biocide; Used for ship antifouling paint, architectural coatings, metal processing, pesticides, etc. |
| Product description | , it is a kind of green crystalline fine powder, with high stability, stored in the dark, two years of content unchanged, mainly used for daily chemical products, adhesives, paints, coatings, paper, medicine, leather and other industries in the production of products.|
| sodium pyrithione | sodium pyrithione, also known as sodium pyrithione, Α-mercaptopyridine-N-oxide sodium, belonging to pyridine derivative fungicide, yellow in appearance, all light-color transparent liquid, melting point 250 ℃, with slight characteristic odor. Soluble in water and ethanol and other organic solvents, solubility (mass fraction): Water 53%, ethanol 19%, polyethylene glycol (PEG400)12%. The optimum pH range is 7-10, and the mass fraction of 2% aqueous solution is pH 8.0. Unstable to light, oxidants and strong reducing agents. Non-ionic surfactants can make it slightly inactive, and it can chelate with heavy metals. The main application fields include: daily chemical products, adhesives, paper, medicine, pesticides, leather products, Disinfection supplies and so on. Sodium pyrithione (NPT) is currently the strongest effect of water-soluble Industrial anti-mildew preservatives, with high efficiency, broad-spectrum, low toxicity, stable characteristics, can be used for metal cutting fluid, anti-rust liquid, latex paint, adhesive, leather products, textile products, copper paper and other fields. EEC and GB7916-87, the maximum allowable concentration of sodium pyrithione in cosmetics is 0.5%, which is only used in products washed off after use. General use concentration of 250 ~ 1000mg/kg. Also used in industrial metal cutting oils as preservatives. |
| zinc pyrithione | zinc pyrithione, also known as zinc pyrithione, zinc pyrithione, this zinc complex was synthesized and used as an external antifungal or antibacterial agent as early as the 30's of the 20th century. White to yellow crystalline powder at room temperature. Slightly characteristic odor. Insoluble in water. Its dissolution degree: Water 15mg/kg;pH = 8 water 35mg/kg; Ethanol 100mg/kg; Polyethylene glycol (PEG 400)2000mg/kg. The best pH range is 4.5~9.5, and the mass fraction of suspension is 10%. Pyridinethione zinc forms insoluble precipitates with cationic and nonionic surfactants, which are unstable to light and oxidizing agents, and unstable to acids and bases at higher temperatures. It is not compatible with EDTA and the non-ionic surfactant will partially inactivate it. In the presence of heavy metals, chelation or anti-chelation occurs, and these chelates are poorly soluble in water. EEC and GB7916-87 specified that the maximum allowable concentration of zinc pyrithione in cosmetics is 0.5%, which is only used in products washed out after use. The use of a concentration of 250 ~ 1000mg/kg (active), can be used for gel, cream, lotion, dusting powder and anti-dandruff shampoo, also for deodorant and Disinfection supplies. Zinc pyrithione is a chelate which is a very potent antifungal and antibacterial compound. Its anti-dandruff activity was discovered incidentally in the mid 60 s when P & G company explored the agent for the prevention and treatment of tinea pityriasis infection. Recent experimental results further demonstrate the powerful action of zinc pyrithione as an effective agent for the treatment of dandruff, but there are some different views on its mechanism of action. |
| EPA chemical substance information | information is provided by: ofmpeb.epa.gov (external link) |
Last Update：2024-04-10 22:29:15
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Used in plastic masterbatch as antibacterial agent,used in the manufacture of industrial chemicals, drugs and pesticides, as well as freezing, electroplating, steel flotation and printing
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