Overview
Copper pyrithione (CAS 14915-37-8 ), also known as Copper Omadine and abbreviated as CuPT, is a broad-spectrum antimicrobial compound used across industrial and personal care markets.
It functions as a biocide and preservative, controlling bacterial, fungal, and algal growth in formulated products and treated materials. In antifouling and protective coatings, CuPT is incorporated as a biocidal active.
This prevents microbial and algal fouling on marine and architectural surfaces. Personal care formulators use it in anti-dandruff shampoos and scalp treatments as an alternative to zinc pyrithione.
It offers comparable efficacy with distinct formulation compatibility. Textile, leather, and paper manufacturers apply CuPT to impart durable antimicrobial protection to finished goods and processing substrates.
Sealants, adhesives, and elastomers intended for high-humidity or outdoor exposure are preserved against microbial degradation using CuPT at low active concentrations. It is supplied as a fine green powder.
The material features defined active content, typically at 97–98% purity for industrial applications. Technical grade is the standard commercial form, with product specifications commonly aligned to industry requirements.
Bulk quantities are available for industrial procurement, with smaller packaging options for formulation development and QA evaluation. This ensures flexibility for both large-scale production and laboratory testing.
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Physical Properties
| Melting Point | >256°C (dec.) |
| Density | 1.8106 at 22.5°C |
| Color | Olive green coloured |
| Odor | Nearly odourless to Mild |
| Form | Powder |
Safety & Handling
Danger GHS05 GHS06 GHS07 GHS09 Hazard Statements H302 Harmful if swallowed H315 Causes skin irritation H317 May cause an allergic skin reaction H318 Causes serious eye damage H330 Fatal if inhaled H400 Very toxic to aquatic life Precautionary Statements P260 Do not breathe dust/fume/gas/mist/vapours/spray. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash … thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P272 Contaminated work clothing should not be allowed out of the workplace. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P284 In case of inadequate ventilation wear respiratory protection. P316 Get emergency medical help immediately. P317 Get emergency medical help. P320 Specific treatment is urgent (see … on this label). P321 Specific treatment (see … on this label). P330 Rinse mouth. P391 Collect spillage. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P301+P317 Get emergency medical help. P302+P352 IF ON SKIN: Wash with plenty of water. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P332+P317 Get emergency medical help. P333+P317 Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P305+P354+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Other Names
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Chemical Properties
- CAS Number
- 14915-37-8
- EC Number
- 238-984-0
- Mol. Weight
- 315.9
- Category
- Salts & Minerals