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Company Address No. 3716 Qingdao Road, Huaiyin District, Jinan City, Shandong Province, Unit 1801, China Construction Jinxiu Plaza.

Production base Juye Chemical Industry Park, Heze City, Shandong Province.

Nanjing Branch Company Room B2304, Nanjing University of Technology (Dingjiaqiao Campus), No. 5 Xinmofanma Road, Gulou District, Nanjing City, Jiangsu Province.

Phone ： +86-531-88986356

Phone ：+86-15562623709
Email ： sdprio@sdprio.com

Isothiazolinone

In the water treatment chemicals industry, isothiazolinone is most commonly and directly known by the trade names “Kathon” or “Kathon CG.”

Category:

Biocides and algaecides, slime-removal agents

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Keywords:

Biocides and algaecides, slime-removal agents

Detailed introduction

Isothiazolinone

Isothiazolinones

CAS No. 26172-55-4 ， 2682-20-4 Relative molecular mass: 115.16

Structural formula

I. Performance and Applications

Isothiazolinone Mainly composed of 5- Chlorine -2- Methyl -4- Isothiazolinone -3- Ketone (CMI) and 2- Methyl -4- Isothiazolinone -3- Ketone (MI) Composition. Isothiazolinone It exerts its biocidal effect by breaking the bonds in bacterial and algal proteins. Isothiazolinone Upon contact with microorganisms, it rapidly and irreversibly inhibits their growth, leading to microbial cell death; thus, it exhibits potent inhibitory and lethal effects against common bacteria, fungi, algae, and other microorganisms. It boasts high biocidal efficacy, excellent biodegradability, and features such as no residual toxicity, safe handling, good compatibility, strong stability, and low cost of use. It is miscible with chlorine and with most anionic, cationic, and nonionic surfactants. At high concentrations, Isothiazolinone It has a significant effect on the removal of biofouling.

Isothiazolinone It is a broad-spectrum, highly effective, low-toxicity, non-oxidizing biocide. It is widely used in oilfields, papermaking, agrochemicals, and metalworking fluids. oil , leather, ink, dyes, and the tanning industry.

II. Technical Specifications Compliant with HG/T3657-2017

Project	indicate Label
	GB/T3657-2017
	Class I	Class II
Outside View	Pale yellow or yellow-green transparent liquid	Pale yellow or pale bluish-green transparent liquid
Active ingredient content /%	14.0–15.0	≥2.0
pH (stock solution)	2.0–4.0	2.0–5.0
Density ( 20℃)/g·cm ^-3	1.24-1.32	≥1.03
CMI/MI (mass percentage)	2.5–3.4	2.5–3.4

Note: Our factory can manufacture products according to customer requirements. 1.5%、14% Products of varying concentrations.

III. Instructions for Use

Isothiazolinone 2 When used as a slime‑removal agent for this type of product, the dosage concentration is… 150-300mg/l ; When used as a fungicide, every 3-7 Add once daily; dosage amount. 80 ~ 100mg/L It can be used concurrently with oxidizing biocides such as chlorine, but should not be applied in cooling water systems containing sulfides. Isothiazolinone It exhibits better performance when used in combination with quaternary ammonium salts.

Isothiazolinone When used as an industrial biocide and mold inhibitor, the typical concentration is 0.05-0.4% 。

IV. Packaging and Storage

Isothiazolinone Packaged in plastic drums, each drum 25kg Alternatively, it may be determined according to user requirements; store in a cool, indoor location for a shelf life of ten months.

V. Safety Protection

Isothiazolinone It is corrosive to the skin, can cause burns, and may lead to allergic dermatitis; the effects can persist for several hours. Contact with skin and eyes is strictly prohibited. When handling, wear protective eyewear and rubber gloves, among other personal protective equipment. If contact with skin occurs, immediately remove contaminated clothing and footwear, and rinse thoroughly with copious amounts of water for at least… 15 Within minutes, apply urea-acetic acid ointment or burn ointment to the affected area, and seek medical attention immediately.

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