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Industrial Germicidal Isothiazolinones in Papermaking

Is a broad range of bactericidal preservatives, can effectively kill algae, bacteria and fungi. The active single agent can be widely used in industrial cooling water, oil field back tank water, paper industry, pipeline, paint, paint, rubber and cosmetics, photographic film and washing products and other industries.
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2-Methyl-4-Isothiazoline-3-one - Names and Identifiers

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Name:2-Methyl-4-Isothiazoline-3-one

Synonyms:MIT
Skycide 100
Methylisothiazolinone
Isothiazolone,2-methyl-
2-Methyl-3-isothiazolone
Isothiazolone, 2-methyl-
2-Methylisothiazol-3-one
Methyl-3(2H)-isothiazolone
2-Methyl-Isothiazolin-3-one
2-methyl-3(2h)-isothiazolon
2-METHYL-3(2H)-ISOTHIAZOLONE
2-Methyl-4-Isothiazolin-3-One
2-METHYL-4-ISOTHIAZOLIN-3-ONE
2-METHYL-4-ISOTHIAZOLINE-3-ONE
2-Methyl-4-Isothiazoline-3-one
2-Methyl-4-Isothiazolin-3-Ketone
N-METHYL-3-OXODIHYDRO ISOTHIAZOLE
2-Methyl-4-Isothiazoline-3-Ketone
2-Methyl-2,3-dihydroisothiazol-3-one
1-(4-CHLOROPHENYL)-3-(3,4-DICHLOROPHENYL)UREA

CAS:2682-20-4

EINECS:220-239-6

InChI:InChI=1/C4H5NOS/c1-5-4(6)2-3-7-5/h2-3H,1H3

InChIKey:BEGLCMHJXHIJLR-UHFFFAOYSA-N

2-Methyl-4-Isothiazoline-3-one - Physico-chemical Properties

Molecular Formula:C4H5NOS

Molar Mass:115.15

Density:1.25 (14% aq.)

Melting Point:254-256°C(lit.)

Boling Point:bp0.03 93°

Water Solubility:489g/L at 20℃

Solubility:Chloroform, Ethyl Acetate

Vapor Presure:<0.1 mm Hg ( 25 °C)

Appearance:neat

Color:Yellow Low melting

BRN:606203

pKa:-2.03±0.20(Predicted)

Storage Condition:2-8°C

Sensitive:Sensitive to air

MDL:MFCD01742315

Physical and Chemical Properties:white or off-white crystalline powder

Isothiazolinone is a compound that kills bacteria and inhibits the growth of microorganisms, so it has a variety of applications in the paper industry.


1. Antifungal agents and antibacterial agents: Since it is easily contaminated by mold and bacteria during papermaking, isothiazolinone can be used as a fungicide and antibacterial agent to prevent the growth of microorganisms in the papermaking process and extend the shelf life of paper.


2. Photoreceptor: isothiazolinone has good photosensitivity and can be used as a photoreceptor. In the paper industry, photoreceptors are commonly used to make products such as copy paper and photosensitive film.


3. Dyes: Isothiazolinone can be used in the preparation of dyes, so that paper products have more color options.


4. Additives: isothiazolinone can be used as papermaking additives, such as as antistatic agents, additives to enhance the water resistance and humidity resistance of paper.


In general, isothiazolinone is mainly used in the paper industry in mildew, antibacterial, photosensitive, dyes and additives, which help improve paper quality and extend service life.

Isothiazolinones (MIT) is a synthetic compound with the sub-atomic recipe C4H5NOS. It has a place with the group of isothiazolinone compounds, which are described by the presence of a five-membered isothiazole ring.

A few vital substance properties of isothiazolinones (MIT) include:

  1. Steadiness: MIT is generally steady under typical circumstances, however it can go through corruption when presented to specific factors like intensity, light, and oxidizing specialists. This corruption can prompt a lessening in its antimicrobial movement.

  2. Dissolvability: MIT is dissolvable in water and numerous natural solvents. This dissolvability permits it to be effortlessly integrated into different water-based and dissolvable based items.

  3. Reactivity: MIT is known for its reactivity with a large number of microorganisms. It acts by disturbing the cell cycles of microbes, growths, and different microorganisms, prompting their hindrance or passing.

  4. Sharpening potential: MIT has been recognized as a skin sensitizer, meaning it can cause hypersensitive responses in certain people. This refinement potential has prompted administrative limitations on its utilization in specific items, especially in private consideration things.

  5. pH responsiveness: MIT's antimicrobial action can be impacted by the pH of the climate. It is best in acidic to unbiased pH goes, and its action might diminish at sequential pH levels.

  6. Biodegradability: MIT is viewed as promptly biodegradable, meaning it very well may be separated by regular cycles in the climate. In any case, its debasement items might in any case have a few harmfulness and natural effect.

It means a lot to take note of that the particular substance properties of isothiazolinones (MIT) can change contingent upon variables like fixation, definition, and cooperations with different mixtures. These properties assume a critical part in deciding its viability as an additive and its possible effect on human wellbeing and the climate.


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