2-Octyl-2H-isothiazol-3-one
Pharmaceutical Materials 2025-03-02
CAS No.: 26530-20-1.
Molecular Formula: C11H19NOS.
Molecular Weight: 213.34.
Appearance: Yellow solid or clear dark amber liquid.
Usage: Mainly used as a fungicide and antimicrobial agent.
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| Attribute | Details |
|---|---|
| Chemical Name | 2-Octyl-2H-isothiazol-3-one |
| CAS Number | 26530-20-1 |
| Molecular Formula | C11H19NOS |
| Molecular Weight | 213.340 g/mol |
| Synonyms | N-Octyl-4-isothiazolin-3-one; Octyl-3(2H)-isothiazolone; Kathon 893; 2-Octyl-4-isothiazoline-3-one; OIT; Octhilinone; 2-n-Octyl-4-isothiazolin-3-one, etc. |
| Physical Properties | |
| – Density | 1.0±0.1 g/cm3 (or 1.037 g/cm3 or 1.04 g/cm3. varying slightly by source) |
| – Boiling Point | 304.5±25.0 °C at 760 mmHg (some sources indicate an initial boiling point of 120°C) |
| – Melting Point | Below 25 °C |
| – Flash Point | 137.9±23.2 °C |
| – Appearance | Light yellow oil or liquid |
| – Solubility | Soluble in organic solvents, slightly soluble in chloroform and ethyl acetate, insoluble in water |
| Applications | Used as an organic synthesis intermediate. It is a low-toxicity, high-efficiency, broad-spectrum antifungal agent with strong bactericidal activity against molds. It can be widely used in coatings, paints, lubricants, shoe polish, leather chemistry, wood products, cultural relics preservation, and many other products. |
| Storage Conditions | Store in a cool, dry place, in a tightly sealed container. |
