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CAS: 64359-81-5
Molecular Formula: C11H17Cl2NOS
Molecular Weight: 282.23
EINECS: 264-843-8
HS Code: 2934.10.7000
Synonyms: 5-Dichloro-2-octyl-3(2H)-isothiazolone; 2-(4,5-dichlorooctyl)-2,3-dihydro-1,2-thiazol-3-one; 4,5-dichloro-2-n-oct; DCOIT-99; DCOIT-30; 4,5-Dichloro-2-n-octyl-4-isothiazolin-3-one; Kathon 287T; 4,5-DICHLORO-2-N-OCTYL-3(2H)-ISOTHIAZOLONE
4,5-Dichloro-2-octyl-isothiazolone (DCOIT) CAS 64359-81-5 is a halogenated isothiazolinone compound used as a biocide, antibacterial agent, and industrial preservative intermediate. It features a dichlorinated isothiazolone ring with an octyl side chain, which provides broad-spectrum activity against fungi, algae, and bacteria and makes it a common choice for protective applications in coatings and materials.
| Item | Value |
| Appearance | White to off-white solid |
| Melting Point | 40.0–44.0 °C |
| Boiling Point | 322.6 ± 52.0 °C (predicted) |
| Density | 1.25 ± 0.1 g/cm³ (predicted) |
| Storage Condition | Under inert gas (N₂ or Ar) at 2–8 °C |
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Our R&D laboratory, staffed by experienced chemists and engineers, drives continuous innovation— developing high-performance chemical solutions tailored to diverse industries. From raw material analysis to final product inspection, we maintain full traceability and consistency.
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At Mikem, our advanced factory and laboratory form the foundation of our chemical production excellence. Equipped with modern manufacturing lines and precision testing instruments, we ensure every product meets strict international standards for quality, safety, and performance.
Our R&D laboratory, staffed by experienced chemists and engineers, drives continuous innovation— developing high-performance chemical solutions tailored to diverse industries. From raw material analysis to final product inspection, we maintain full traceability and consistency.
