4 5 Dichloro 2 N Octy 4 Isothiazolin 3 One

  • 4 5 Dichloro 2 N Octy 4 Isothiazolin 3 One
  • 4 5 Dichloro 2 N Octy 4 Isothiazolin 3 One
  • 4 5 Dichloro 2 N Octy 4 Isothiazolin 3 One
4 5 Dichloro 2 N Octy 4 Isothiazolin 3 One
  • China
  • 7-14 days after workable payment
  • 80 mt / month

1. 3Q-632 DCOIT-30 biocide is widely used in Paint,Coating,Polyethylene,polyurethane.plastic industry.
2. 4 5 Dichloro 2 N Octy 4 Isothiazolin 3 One can instead of the chemical compound like Poisonous Organic arsenic.
3. 4 5 Dichloro 2 N Octy 4 Isothiazolin 3 One has a good application in marine paint antifouling agents,which has effective antisepsis, sterilization and algae killing.
4. DCOIT biocide is cost-effective,Product quality is well received by domestic and foreign customers.

3Q-632 DCOIT-30 fuel oil Preservative/oil Preservative

4.5-DICHLORO-2H-OCTYL-3(2H)-ISOTHIAZOLONE is a kind of  Broad-spectrum Bactericide,DCOIT biocide can be widely used in the plastic industry such as Paint,Coating,Polyethylene,polyurethane. Also can be used in the field like sewage,leather,paint,Paper making, Wooden,adhesive and inks. it can instead of the chemical compound like Poisonous Organic arsenic.

Description :

Item No.

3Q-632 DCOIT-30 fuel oil Preservative/oil Preservative

Chemical Name
4.5-DICHLORO-2H-OCTYL-3(2H)-ISOTHIAZOLONE/ 4,5-dichloro-2-n-octy-4-isothiazolin-3-one
Molecular formulaC11H17NOSCl2

Molecular weight


Specifications :

AppearanceLight Yellow liquid
Content of active substance %≥30%

Application :

4,5-Dichloro-2-N-Octy-4-Isothiazolin-3-One is suitable for anti-corrosion, anti-scale and anti-fouling of marine paint.

Usage and dosage:

This product is widely used in all marine paints. It can effectively kill cyanobacteria, basidiomycetes, black aspergillus, fusarium, curvularia, green sticky mildew, etc. When used, it can be added at any stage of production. The recommended amount is 5 to 15% (w/w). 

Performance Characteristics:

1) High-efficiency mildew and algae-repellent agent, with special effects on bacteria and algae

2) The solubility in water is low, so the effect is lasting.

3) Good compatibility with marine paint. Insoluble in water, soluble in oily marine paint.

4) Easy to operate, can be added in any process.

5) Stable under strong UV and acid rain conditions.


Operational instruction must be strictly followed. Avoid any contact with the skin. Wear protective clothes, goggles, and rubber gloves in operation. Once any contact with the skin happens, wash the skin immediately with plenty of water and soaps; when it splashes into eyes, wash immediately with plenty of water and buffer solutions.

Storage and Transportation:

With a shelf time of one year when stored at room temperature in a dark, air-tight, and moisture-proof place

Package & Storage:

The product is packaged in 20kg/drum or 180kg/drum or 750kg/drum,and then wrapped in pallets to ensure the cargos are not damaged during transportation.

4 5 dichloro 2 n octy 4 isothiazolin 3 one

Company Profile:

Dalian Tianwei Chemical Co.Ltd has been specialized in bactericides, antiseptics,preservatives and anti-mold agents for more than 20 years, and we’re confidence to provide our customers with high quality products and better services.

our main products are CMIT/MIT, MIT, BIT, OIT, DCOIT, BRONOPOL, DBNPA, PCMX, PHMB series products and corresponding formula products. As antibacterial agent and preservatives, they can be widely used in daily chemical products, personal care products, petrochemical industry, electric power, central air conditioning circulating water treatment, paper and pulp, coating and interior and exterior wall latex paint, metal cutting Fluids, lubricant processing fluids, textile printing and dyeing, PVC plastics, wood products, leather and other industries

We have established long-term and stable cooperative relations with customers in more than 20 countries around the world



Transport Mode:

Multiple transportation methods can be selected,Including sea transport, land transport, air transport and rail transport,We can arrange the shipment according to the shipping method required by the customer. Let our customer receive our products as fast as possible.


Quality Testing Center:

Dalian Tianwei Chemical Co.,Ltd has strict requirements on product quality, In order to control the quality of our products, the production department performs product quality inspection on each batch of cargo produced with advanced equipment for testing and manufacturing.

Before our new customer places an order , we can send the sample for your testing . We ensure the quality is the same as bulk quality.

4 5 dichloro 2 n octy 4 isothiazolin 3 one

Our Service :

1. Our company has a professional, united, aggressive and energetic technical research and development team, a management team with modern management consciousness.

2. We focus on industrial biocide,preservatives,mold inhibitor for more than 20 years, set up long term realatinship with many customers.

3. In order to improve the quality of our products constantly, our company has established a specialized quality control center. Our professional R & D team will provide continuous technical service support to our customer.

4. With the long-term cooperation with customers from all over the world, we have opened up new business scopes. We always adhere to customer-centricity, focus on product quality, respond quickly to customer needs, and provide customers with stable and reliable products.


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