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Home » Products » Biocide Chemical » Fungicide 2-N-Octyl-4-Isothiazolin-3-One CAS 26530-20-1 Used for Coatings OIT 98%


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Fungicide 2-N-Octyl-4-Isothiazolin-3-One CAS 26530-20-1 Used for Coatings OIT 98%

2-Octyl-4-isothiazolin-3-one,  OIT is a chemically synthesized fungicide that belongs to the isothiazoline class of compounds. OIT is often used in the manufacture of anti-corrosion and sterilization products such as architectural coatings, paints, adhesives, and paper. Its mechanism of action is to destroy cell membranes, inhibit intracellular enzyme activity, or interfere with cellular metabolic pathways, thereby achieving the goal of killing microorganisms.
  • OIT 98%


  • 3808940090

Sinobio 2-N-Octyl-4-Isothiazolin-3-One OIT 98% 

CAS : 26530-20-1

Molecular formula : C11H19NOS
Alias: 2-octyl-3(2h)-isothiazolon;2-octyl-3-isothiazolone;2-octyl-4-isothiazolin-3-on;5-CHLORO-2-METHYL-ISOTHIAZOL-3-ONE/2-METHYL-ISOTHIAZOL-3-ONE;2-N-OCTYL-4-ISOTHIAZOLIN-3-ONE;2-OCTYL-4-ISOTHIAZOLIN-3-ONE;2-Octyl-2H-isothiazol-3-one;2-OCTYL-3(2H)-ISOTHIAZOLONE


1. A broad-spectrum biocide especially suitable for coating and water treatment.

2. Soluble in most organic solvents. Easily incorporated into formulations with good disperse.

3. Stable against UV light and acid rain. 5 years weather resistance in outdoor exposure experiments.

4. Biological and physical compatibility with anionic, nonionic and cationic surfactants, halogens at use dilutions, and most organic and inorganic compounds commonly used in paints, latices and pigment slurries.

5. Low toxicity at recommended use levels.

6. Environmentally acceptable. Not bioaccumulating. Free of formaldehyde.





Clear yellow ropy liquid or crystal



Density g/ml,@20℃


Total Active ingredient,%


PH value(1% in water)


The Advantages of OIT:

1.Good germicidal efficacy: OIT is a broad-spectrum fungicide that can effectively prevent and inhibit the growth and reproduction of microorganisms such as bacteria, fungi, and algae.

2. Good water resistance: OIT has high water resistance, slow decomposition speed in water, and is not easy to be washed off, so it also maintains good sterilization effect in a humid environment.

3. Low toxicity: Compared to other chemical fungicides, OIT has a lower toxicity and relatively small impact on human body and the environment.

4. Strong stability: OIT has strong stability, is not easily affected by oxidation or light, and has a long service life.

5. Good compatibility with other additives: As an auxiliary agent, OIT can be compatible with other additives to improve the overall bactericidal effect without adversely affecting other formula components.

The Application of OIT:

Used as an intermediate in organic synthesis. It is liquid, soluble in organic solvents, slightly soluble in water. It is a low-toxicity, high-efficiency, and broad-spectrum antifungal agent. It has a strong killing effect on mold and can achieve ideal antifungal properties Mildew effect. It can be widely used in coatings, paints, lubricants, shoe polish, leather chemistry, wood products and cultural relics protection and many other products. VOC-free, stable under strong light and high temperature, broad-spectrum sterilization and efficient, can effectively prevent bacteria and fungi in plastics.

Packing and Storage:

Packing: 25kg or 200kg drum, or 1000kg IBC, We provide customized package for different quantity.

Storage: Store in a cool, dry and ventilated place. Keep tightly closed.
Shelf life: One year.



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